Science.gov

Sample records for member tumbiana formation

  1. Mineralogy of the Culebra Dolomite Member of the Rustler Formation

    SciTech Connect

    Sewards, T.; Williams, M.L.; Keil, K. )

    1991-03-01

    This report characterizes the mineralogy of the Culebra Member of the Rustler Formation based on studies of samples from cores of eight boreholes surrounding the WIPP repository. This investigation has three main goals: to obtain accurate modal compositions of all the samples selected; to investigate both the lateral and vertical variation of the mineralogy of the Culebra unit; and, to characterize water-bearing fracture surfaces in particular detail. The Culebra Dolomite member of the Rustler Formation is mineralogically and texturally heterogeneous, both vertically and horizontally. Although the predominant mineral is dolomite, important constituents of the formation are clay, quartz, gypsum, and calcite. Trace minerals include halite, phyllosilicates of metamorphic origin, feldspar, and pyrite. 24 refs., 90 figs., 27 tabs.

  2. Exercise habit formation in new gym members: a longitudinal study.

    PubMed

    Kaushal, Navin; Rhodes, Ryan E

    2015-08-01

    Reasoned action approaches have primarily been applied to understand exercise behaviour for the past three decades, yet emerging findings in unconscious and Dual Process research show that behavior may also be predicted by automatic processes such as habit. The purpose of this study was to: (1) investigate the behavioral requirements for exercise habit formation, (2) how Dual Process approach predicts behaviour, and (3) what predicts habit by testing a model (Lally and Gardner in Health Psychol Rev 7:S137-S158, 2013). Participants (n = 111) were new gym members who completed surveys across 12 weeks. It was found that exercising for at least four bouts per week for 6 weeks was the minimum requirement to establish an exercise habit. Dual Process analysis using Linear Mixed Models (LMM) revealed habit and intention to be parallel predictors of exercise behavior in the trajectory analysis. Finally, the habit antecedent model in LLM showed that consistency (β = .21), low behavioral complexity (β = .19), environment (β = .17) and affective judgments (β = .13) all significantly (p < .05) predicted changes in habit formation over time. Trainers should keep exercises fun and simple for new clients and focus on consistency which could lead to habit formation in nearly 6 weeks. PMID:25851609

  3. Exercise habit formation in new gym members: a longitudinal study.

    PubMed

    Kaushal, Navin; Rhodes, Ryan E

    2015-08-01

    Reasoned action approaches have primarily been applied to understand exercise behaviour for the past three decades, yet emerging findings in unconscious and Dual Process research show that behavior may also be predicted by automatic processes such as habit. The purpose of this study was to: (1) investigate the behavioral requirements for exercise habit formation, (2) how Dual Process approach predicts behaviour, and (3) what predicts habit by testing a model (Lally and Gardner in Health Psychol Rev 7:S137-S158, 2013). Participants (n = 111) were new gym members who completed surveys across 12 weeks. It was found that exercising for at least four bouts per week for 6 weeks was the minimum requirement to establish an exercise habit. Dual Process analysis using Linear Mixed Models (LMM) revealed habit and intention to be parallel predictors of exercise behavior in the trajectory analysis. Finally, the habit antecedent model in LLM showed that consistency (β = .21), low behavioral complexity (β = .19), environment (β = .17) and affective judgments (β = .13) all significantly (p < .05) predicted changes in habit formation over time. Trainers should keep exercises fun and simple for new clients and focus on consistency which could lead to habit formation in nearly 6 weeks.

  4. Temple Mountain member, a new member of the Chinle formation in the San Rafael Swell, Utah

    USGS Publications Warehouse

    Robeck, Raymond C.

    1956-01-01

    A lithologic unit, referred to as mottled purple and white, or the 'pinto bed,' in the San Rafael Swell has E?nough thickness and continuity to be formally named the Temple Mountain member of the Chinle formationo The member is characterized by the presence of: the interfingering of siltstone, mudstone, and sandstone; purple and white color; quartz grains and pebbles; jasper; and coalified material.

  5. Formate: The Neglected Member of One-Carbon Metabolism.

    PubMed

    Brosnan, Margaret E; Brosnan, John T

    2016-07-17

    Formate, the only non-tetrahydrofolate (THF)-linked intermediate in one-carbon metabolism, is produced in mammals from a variety of metabolic sources. It occurs in serum of adults at a concentration of approximately 30 μM. Its principal function lies as a source of one-carbon groups for the synthesis of 10-formyl-THF and other one-carbon intermediates; these are primarily used for purine synthesis, thymidylate synthesis, and the provision of methyl groups for synthetic, regulatory, and epigenetic methylation reactions. Although formate is largely produced in mitochondria, these functions mostly occur in the cytoplasm and nucleus. Formate plays a significant role in embryonic development, as evidenced by the effectiveness of formate in the pregnant dam's drinking water on the incidence of neural tube defects in some genetic models. High formate concentrations in fetal lambs may indicate a role in fetal development and suggest that extracellular formate may play a role in the interorgan distribution of one-carbon groups.

  6. Formative Research on Perceptions of Biobanking: What Community Members Think

    PubMed Central

    Luque, John S.; Quinn, Gwendolyn P.; Montel-Ishino, Francisco A.; Arevalo, Mariana; Bynum, Shalanda A.; Noel-Thomas, Shalewa; Wells, Kristen J.; Gwede, Clement K.; Meade, Cathy D.

    2013-01-01

    Preparing healthy community members with timely communications prior to engaging them in a request to donate biospecimens promises to improve the experience of biobanking participation. To this end, a qualitative study was conducted to assess community member knowledge, attitudes, beliefs, and informational needs about cancer-related biospecimen collection in a large metropolitan area in southwest Florida. The study utilized purposive sampling techniques to recruit a total of 95 participants to participate in 12 focus groups, segmented by race/ethnicity and language preference (mixed race, African American only, and Spanish speaking) and age (18–29, 30–54, and 55 and older). Focus group interviews were analyzed using content analysis to identify emergent themes. Overall, participants in the 30 years and older groups were favorable toward participating in biobanking if their concerns were addressed, such as confidentiality and consent issues, in contrast to participants aged 18–29 who were more skeptical. For all participants, the desire to participate in research that seeks new cancer treatments outweighed mistrust. Moreover, many cited the potential scientific benefit for future generations as a primary motivator. Finally, in some groups a therapeutic misconception was expressed, where participants expressed a willingness to forego confidentiality of their health status in exchange for therapeutic benefit. This study contributes to the literature on community perceptions of the benefits and barriers of biobanking and adds to the development of meaningful education communication priming tools to advance understandings about biobanking. PMID:21927867

  7. Facies and age of the Oso Ridge Member (new), Abo Formation, Zuni Mountains, New Mexico

    USGS Publications Warehouse

    Armstrong, A.K.; Stamm, R.G.; Kottlowski, F.E.; Mamet, B.L.; Dutro, J.T.; Weary, D.J.

    1994-01-01

    The Oso Ridge Member (new), at the base of the Abo Formation, nonconformably overlies Proterozoic rocks. The member consists of some 9m of conglomerate and arkose composed principally of fragments of the underlying Proterozoic metamorphic rocks; thin, fossiliferous limestone lenses are interbedded with the arkose. Biota from the lenses include a phylloid alga, foraminifers, conodonts, brachiopods, and molluscs. The age of the Oso Ridge Member is Virgilian Late Pennsylvanian) to Wolfcampian (Early Permian). -from Authors

  8. Paleobotany and palynology of the Bristol Hill Coal Member (Bond Formation) and Friendsville Coal Member (Mattoon Formation) of the Illinois Basin (Upper Pennsylvanian)

    USGS Publications Warehouse

    Willard, D.A.; Phillips, T.L.

    1993-01-01

    Late Pennsylvanian coal swamps of the Illinois Basin were dominated by Psarnius tree ferns with a spatially heterogeneous distribution of medullosan pteridosperms (subdominant), calamites, sigillarian lycopsids, and cordaites. Miospore and coal-ball plant assemblages from the Missourian-age Bristol Hill Coal Member (Mattoon Formation) of southeastern Illinois were quantified to analyze vegetational patterns in Late Pennsylvanian peat swamps and to compare vegetational composition of the coals. -from Authors

  9. Sedimentology and petroleum occurrence, Schoolhouse Member, Maroon Formation (Lower Permian), northwestern Colorado

    USGS Publications Warehouse

    Johnson, S.Y.; Schenk, C.J.; Anders, D.L.; Tuttle, M.L.

    1990-01-01

    The Lower Permian Schoolhouse Member of the Maroon Formation forms a partly exhumed petroleum reservoir in the Eagle basin of northwestern Colorado. The Schoolhouse consists mainly of yellowish gray to gray, low-angle to parallel bedded, very fine to fine-grained sandstone of eolian sand-sheet origin; interbedded fluvial deposits are present in most sections. Geological and geochemical data suggest that Schoolhouse Member oils have upper Paleozoic sources, including the intrabasinal Belden Formation. Late Paleozoic faults have served as local conduits for vertical petroleum migration. Large-scale (>200 km) lateral migration from sources in the Permian Phosphoria Formation is also possible but less likely. Belden oil was generated and migrated before about 75 Ma. Subsequently, the Schoolhouse Member reservoir was uplifted, then partly exhumed on the monoclinal flank of the Laramide (latest Cretaceous-Paleogene) White River uplift. -from Authors

  10. Formation of five- and seven-membered rings enabled by the triisopropylsilyl auxiliary group.

    PubMed

    Usanov, Dmitry L; Yamamoto, Hisashi

    2012-01-01

    A highly convenient synthetic pathway to 2-indanones from aldehydes was established. The introduction of a triisopropylsilyl group greatly facilitated Meinwald rearrangement of the intermediate epoxides and alleviated the necessity of polysubstitution for the clean formation of indenes and cyclopentadienes via cyclodehydration of allylic alcohols; unprecedented freedom with respect to the product structure was thus achieved. The developed methodology could also be applicable to the formation of seven-membered rings leading to dibenzo[7]annulenes and dibenzosuberones.

  11. Early Visean bryozoans from the Shishtu II Member, Shishtu Formation, central Iran

    NASA Astrophysics Data System (ADS)

    Tolokonnikova, Zoya; Yazdi-Moghadam, Mohsen

    2013-12-01

    Four bryozoan species are described from the upper member (Shishtu II) (Visean, Early Carboniferous=Mississippian) of the Shishtu Formation of central Iran: Nikiforovella ulbensis Nekhoroshev, 1956, Nicklesopora elegantulaformis (Nekhoroshev, 1956), Primorella cf. iranica Gorjunova, 2006, and Nikiforopora intermedia (Nikiforova, 1950). This Visean assemblage shows close palaeogeographical affinities of Iran with Kazakhstan and Russia (eastern Transbaikalia, Kurgan region).

  12. New hominid fossils from Member 1 of the Swartkrans formation, South Africa.

    PubMed

    Pickering, Travis Rayne; Heaton, Jason L; Clarke, Ronald J; Sutton, Morris B; Brain, C K; Kuman, Kathleen

    2012-05-01

    Member 1 of the Swartkrans Formation is comprised of two sedimentary infills, the Lower Bank (LB) and the Hanging Remnant (HR). Together, the LB and HR preserve fossils of early Homo and Paranthropus robustus, Earlier Stone Age lithic artifacts, purported bone digging tools and butchered animal bones. Collectively, this evidence was the first to establish the co-existence of two early Pleistocene hominid species and also led to inferences of plant root harvesting and meat-eating by one or both of those species. P. robustus is the more abundant of the two hominids at Swartrkrans, represented in Member 1 by hundreds of fossils that derive from at least 99 individuals. Thus, Swartkrans Member 1 stands as the world's single largest repository of that extinct species. Here we add to the Member 1 sample of hominid fossils with descriptions of 14 newly discovered specimens. PMID:22440747

  13. Role of CD34 family members in lumen formation in the developing kidney.

    PubMed

    Yang, Zhufeng; Zimmerman, Susan E; Tsunezumi, Jun; Braitsch, Caitlin; Trent, Cary; Bryant, David M; Cleaver, Ondine; González-Manchón, Consuelo; Marciano, Denise K

    2016-10-01

    Previous studies have shown CD34 family member Podocalyxin is required for epithelial lumen formation in vitro. We demonstrate that Endoglycan, a CD34 family member with homology to Podocalyxin, is produced prior to lumen formation in developing nephrons. Endoglycan localizes to Rab11-containing vesicles in nephron progenitors, and then relocalizes to the apical surface as progenitors epithelialize. Once an apical/luminal surface is formed, Endoglycan (and the actin-binding protein Ezrin) localize to large, intraluminal structures that may be vesicles/exosomes. We generated mice lacking Endoglycan and found mutants had timely initiation of lumen formation and continuous lumens, similar to controls. Mice with conditional deletion of both Endoglycan and Podocalyxin in developing nephrons also had normal tubular lumens. Despite this, Endoglycan/Podocalyxin is required for apical recruitment of the adaptor protein NHERF1, but not Ezrin, in podocyte precursors, a subset of the epithelia. In summary, while CD34 family members appear dispensable for lumen formation, our data identify Endoglycan as a novel pre-luminal marker and suggest lumen formation occurs via vesicular trafficking of apical cargo that includes Endoglycan.

  14. Sedimentology and petroleum occurrence, Schoolhouse Member, Maroon Formation (Lower Permian), northwestern Colorado

    SciTech Connect

    Johnson, S.Y.; Schenk, C.J.; Anders, D.L.; Tuttle, M.L. )

    1990-02-01

    The Lower Permian Schoolhouse Member of the Maroon Formation (formerly considered the Schoolhouse Tongue of the Weber Sandstone) forms a partly exhumed petroleum reservoir in the Eagle basin of northwestern Colorado. The Schoolhouse consists mainly of yellowish gray to gray, low-angle to parallel bedded, very fine to fine-grained sandstone of eolian sand-sheet origin; interbedded fluvial deposits are present in most sections. The sand-sheet deposits of the Schoolhouse Member are sedimentologically and petrologically similar to those in the underlying red beds of the main body of the Maroon Formation, and the Schoolhouse is considered the uppermost sand sheet in the Maroon depositional sequence. The bleached and oil-stained Schoolhouse member is distinguished from the underlying Maroon red beds on the basis of its diagenetic history, which is related to regional hydrocarbon migration and development of secondary porosity. Geological and geochemical data suggest that Schoolhouse Member oils have upper Paleozoic sources, including the intrabasinal Belden Formation. 13 figs., 1 tab.

  15. Subaqueous evaporites of Buckner member, Haynesville Formation, northeastern Mobile County, Alabama

    SciTech Connect

    Mann, S.D.

    1988-09-01

    The lower part of the Buckner anhydrite member of the Haynesville Formation (Upper Jurassic) was deposited as shallowing upward cycles of subaqueous to subaerial deposits on the north flank of the Wiggins arch in northeastern Mobile County, Alabama. The unit studied conformably overlies the Smackover Formation and is generally evaporite dominated. The Buckner anhydrite averages about 35 m (115 ft) thick and has been buried to depths of 5.5 km (> 18,000 ft). Despite this deep burial, the unit has suffered little deformation since alteration of gypsum to anhydrite.

  16. Multiple Leader Candidate and Competitive Position Allocation for Robust Formation against Member Robot Faults

    PubMed Central

    Kwon, Ji-Wook; Kim, Jin Hyo; Seo, Jiwon

    2015-01-01

    This paper proposes a Multiple Leader Candidate (MLC) structure and a Competitive Position Allocation (CPA) algorithm which can be applicable for various applications including environmental sensing. Unlike previous formation structures such as virtual-leader and actual-leader structures with position allocation including a rigid allocation and an optimization based allocation, the formation employing the proposed MLC structure and CPA algorithm is robust against the fault (or disappearance) of the member robots and reduces the entire cost. In the MLC structure, a leader of the entire system is chosen among leader candidate robots. The CPA algorithm is the decentralized position allocation algorithm that assigns the robots to the vertex of the formation via the competition of the adjacent robots. The numerical simulations and experimental results are included to show the feasibility and the performance of the multiple robot system employing the proposed MLC structure and the CPA algorithm. PMID:25954956

  17. Multiple Leader Candidate and Competitive Position Allocation for Robust Formation against Member Robot Faults.

    PubMed

    Kwon, Ji-Wook; Kim, Jin Hyo; Seo, Jiwon

    2015-05-06

    This paper proposes a Multiple Leader Candidate (MLC) structure and a Competitive Position Allocation (CPA) algorithm which can be applicable for various applications including environmental sensing. Unlike previous formation structures such as virtual-leader and actual-leader structures with position allocation including a rigid allocation and an optimization based allocation, the formation employing the proposed MLC structure and CPA algorithm is robust against the fault (or disappearance) of the member robots and reduces the entire cost. In the MLC structure, a leader of the entire system is chosen among leader candidate robots. The CPA algorithm is the decentralized position allocation algorithm that assigns the robots to the vertex of the formation via the competition of the adjacent robots. The numerical simulations and experimental results are included to show the feasibility and the performance of the multiple robot system employing the proposed MLC structure and the CPA algorithm.

  18. Geology of the Molina Member of the Wasatch Formation, Piceance Basin, Colorado

    SciTech Connect

    Lorenz, J.; Nadon, G.; LaFreniere, L.

    1996-06-01

    The Molina Member of the Wasatch Formation has been cored in order to assess the presence/absence and character of microbial communities in the deep subsurface. Geological study of the Molina Member was undertaken in support of the microbiological tasks of this project, for the purposes of characterizing the host strata and of assessing the potential for post-depositional introduction of microbes into the strata. The Molina Member comprises a sandy fluvial unit within a formation dominated by mudstones. Sandy to conglomeratic deposits of braided and meandering fluvial systems are present on the western and eastern margins of the basin respectively, although the physical and temporal equivalence of these systems cannot be proven. Distal braided facies of planar-horizontal bedded sandstones are recognized on the western margin of the basin. Natural fractures are present in all Molina sandstones, commonly as apparent shear pairs. Core from the 1-M-18 well contains natural fractures similar to those found in outcrops, and has sedimentological affinities to the meandering systems of the eastern margin of the basin. The hydrologic framework of the Molina, and thus any potential post-depositional introduction of microbes into the formation, should have been controlled by approximately east-west flow through the natural fracture system, the geometries and extent of the sandstones in which the fractures occur, and hydraulic gradient. Migration to the well site, from outcropping recharge areas at the edge of the basin, could have started as early as 40 million years ago if the cored strata are connected to the eastern sedimentary system.

  19. Late Miocene fanglomerates in lower member of Starlight Formation, northern Portneuf Range, Idaho

    SciTech Connect

    Sevrin, L.A.

    1987-08-01

    The lower member of the late Miocene Starlight Formation in the northern Portneuf Range, southeastern Idaho, represents sedimentation influenced by both Basin-and Range faulting and eastern Snake River plain (SRP) volcanism. The lower Starlight contains at least 610 m of fanglomerates and thin, interbedded basalt flows. The formations lower half is interpreted as medial alluvial fan facies and consists of coarse tuffaceous heterolithologic conglomerate lenses and sheets, and interbedded immature tuffaceous pebbly lithic arenites. The fine-grained upper half of the member is interpreted as distal-fan facies. The sandy deposits of the distal facies are cut by numerous gravel-filled channels. On the basis of clast assemblages and preservation of fragile rhyolite tuff grains that could not survive long transport distances, these deposits were likely derived from nearby sources. In addition, paleocurrent data indicate a general westerly transport direction. Individual drainage systems apparently controlled sedimentation, as indicated by different clast assemblages at various locations. The dominant clast type in The Cove, southwest of the Blackfoot River, is Eocene andesitic volcanics. In outcrops 20 km south, Paleozoic and lower Mesozoic sedimentary clasts predominate. Chert pebble conglomerate clasts, found only in southern exposures, may have been derived from distant eastern outcrops of Cretaceous conglomerates. Alluvial fan deposits in the lower member of the Starlight Formation developed as a response to early Basin-and-Range uplift. However, they were also influenced by eastern SRP volcanism, as indicated by the presence of tuffaceous sediments and basaltic lava flows. The fan deposits likely originated from a nearby eastern source that is now covered by Tertiary volcanics of the Blackfoot laval field.

  20. Paleoclimatology indicators of the Salt Wash member of the Upper Jurassic Morrison Formation near Jensen, Utah

    SciTech Connect

    Medlyn, D.A. . Dept. of Geology); Bilbey, S.A. )

    1993-04-01

    The Upper Jurassic Morrison Formation has yielded one of the richest floras of the so-called transitional conifers'' of the Middle Mesozoic. Recently, a silicified axis of one of these conifers was collected from the Salt Wash member in essentially the same horizon as a previously reported partial Stegosaurus skeleton. In addition, two other axes of conifers were collected in the same immediate vicinity. Paleoecological considerations are extrapolated from the coniferous flora, vertebrate fauna and associated lithologies. Techniques of paleodendrology and relationships of extant/extinct environments are compared. The paleoclimatic conditions of the transitional conifers and associated dinosaurian fossils are postulated.

  1. Carbon-Isotope Chemostratigraphy of the Yellow Cat Member of the Cretaceous Cedar Mountain Formation, Utah

    NASA Astrophysics Data System (ADS)

    Suarez, C. A.; Hatzell, G.; Suarez, M. B.; Salazar-Verdin, J.; Al-Suwaidi, A. H.; Kirkland, J. I.

    2014-12-01

    Paleosols and lacustrine sediments of the Yellow Cat Member (YCM), Cedar Mountain Formation (CMF), Eastern Utah were collected at the "Lake Madsen" (a dominantly lacustrine section) and Doelling's Bowl (a mixed lacustrine/ palustrine/ paleosol section) and analyzed for bulk organic carbon isotopes (δ13Corg) . The YCM is thought to span the Barremian to Aptian based on dinosaur faunal assemblages. Correlation with distinct carbon isotope excursions (CIE) specifically those associated with the Selli Event or OAE 1a would allow insight into the response of terrestrial ecosystems to C-cycle perturbations during the Aptian, and may improve chronostratigraphy. Lake Madsen data ranges between a minimum of -28.5‰ and a maximum of -21.4‰ with an average of ~ -25‰ and shows a stepped negative isotope excursion of -3‰., with three distinct negative steps starting ~ 7.5 m above the Jurassic Morrison Formation and an intervening large positive excursion ~ 4.5 m from the base of the Poison Strip Sandstone (~119Ma) Member of the CMF. Doelling's Bowl data spans a longer vertical distance and ranges from a minimum of -29.0‰ to a maximum of -25.7‰, averages -27.7‰ and is somewhat cyclic in nature. δ13Corg chemostratigraphic profile for Doelling's Bowl poorly correlates to the Lake Madsen section, likely due to recycling of organic C and wet/dry cycles of the palustrine environment. Correlation of the Lake Madsen section to marine δ13CCO3 curve from Cismon Valley of the southern Alps indicates the lower Aptian C-isotope excursions C1 to C6, with the distinctive C3 negative CIE occur at the top of the Yellow Cat Member, therefore documenting a terrestrial manifestation of the CIE associated with OAE1a - Selli Event. This suggests the age of the majority of the Yellow Cat Member is Barremian to lower Aptian and the Barremian-Aptian boundary occurs at the top of the Member ~ 25cm below the base of the Poison Strip Sandstone. Further isotopic analysis of vertebrate

  2. Petrophysical and petrographic evaluation of Sidri Member of Belayim Formation, Badri field, Gulf of Suez, Egypt

    NASA Astrophysics Data System (ADS)

    Abudeif, A. M.; Attia, M. M.; Radwan, A. E.

    2016-03-01

    Presence of sandstone streaks in Sidri Member within Belayim Formation that lies between two productive zones; Kareem Formation and Hammam Faraun Member, was the main reason to perform this study. It may represent a good hydrocarbon reservoir and will be added to the Egyptian oil production in some wells of Badri field. This Member has high resistivity signature on Electric-logs responses which attracted the attention to investigate its occurrence in the field, to delineate its distribution all-over the area, to evaluate the petrographic and petrophysical characteristics and to evaluate its productivity. Petrographic and petrophysical analyses of these sand zones were undertaken using thin section samples. The electric logs and subsurface geologic data was used to evaluate the main reservoir characteristics of the Sidri sandstone such as lithology, cementation, shale volume, porosity (Φ), effective porosity (Φ eff), estimated permeability (K), fluid saturation, fluid type and Net pay thickness. This study revealed that, Sidri sandstone facies was classified into two mainly sandy facies; blocky sandy facies which located at the northern part of the field and streaky sandy facies at the southern area of the field. These two facies are separated by shaley facies. Some wells were studied to represent the two sandy facies in Sidri Member and these sand intervals have not been tested yet. These sands consist of quartz grains with grey and pink feldspars as accessory minerals, with siliceous and calcareous cementation, with good porosity. Petrophysical evaluation of this sand unit indicated that it is hydrocarbon bearing formation in three wells and water bearing one in other wells. Electrical logs analysis (Resistivity, Density-Neutron, Sonic and Gamma-Ray) revealed that The volume of shale in this sandstone, the effective porosity, the water saturation, the estimated permeability, the hydrocarbon saturation, and the net-pay thickness are varying from 9 to 13%, 19

  3. Diagenetic origin of nodules in the Sheepbed member, Yellowknife Bay formation, Gale crater, Mars

    NASA Astrophysics Data System (ADS)

    Stack, K. M.; Grotzinger, J. P.; Kah, L. C.; Schmidt, M. E.; Mangold, N.; Edgett, K. S.; Sumner, D. Y.; Siebach, K. L.; Nachon, M.; Lee, R.; Blaney, D. L.; Deflores, L. P.; Edgar, L. A.; Fairén, A. G.; Leshin, L. A.; Maurice, S.; Oehler, D. Z.; Rice, M. S.; Wiens, R. C.

    2014-07-01

    The Sheepbed member of the Yellowknife Bay formation in Gale crater contains millimeter-scale nodules that represent an array of morphologies unlike those previously observed in sedimentary deposits on Mars. Three types of nodules have been identified in the Sheepbed member in order of decreasing abundance: solid nodules, hollow nodules, and filled nodules, a variant of hollow nodules whose voids have been filled with sulfate minerals. This study uses Mast Camera (Mastcam) and Mars Hand Lens Imager (MAHLI) images from the Mars Science Laboratory Curiosity rover to determine the size, shape, and spatial distribution of the Sheepbed nodules. The Alpha Particle X-Ray Spectrometer (APXS) and ChemCam instruments provide geochemical data to help interpret nodule origins. Based on their physical characteristics, spatial distribution, and composition, the nodules are interpreted as concretions formed during early diagenesis. Several hypotheses are considered for hollow nodule formation including origins as primary or secondary voids. The occurrence of concretions interpreted in the Sheepbed mudstone and in several other sedimentary sequences on Mars suggests that active groundwater systems play an important role in the diagenesis of Martian sedimentary rocks. When concretions are formed during early diagenetic cementation, as interpreted for the Sheepbed nodules, they have the potential to create a taphonomic window favorable for the preservation of Martian organics.

  4. Seafloor-precipitated carbonate fans in the Neoproterozoic Rainstorm Member, Johnnie Formation, Death Valley Region, USA

    NASA Astrophysics Data System (ADS)

    Pruss, Sara Brady; Corsetti, Frank A.; Fischer, Woodward W.

    2008-06-01

    Cm-sized carbonate seafloor fans occur in the Neoproterozoic Rainstorm Member of the Johnnie Formation, Death Valley, USA. The fans formed in a mixed carbonate-clastic succession near storm wave base at the base of parasequences on a storm-dominated ramp. Petrographic observations indicate that the fans were originally precipitated as aragonite and later inverted to calcite during diagenesis. Although not directly dated, the Rainstorm Member preserves a large magnitude negative carbon isotopic anomaly (down to - 11‰ PDB) tentatively correlated to the largest known carbon isotope excursion found in many stratigraphic successions around the world between 585 Ma and 550 Ma. Thus, the age distribution of seafloor aragonite fans in Neoproterozoic strata appears more widespread than previously thought, occurring in strata significantly younger than the last widespread Neoproterozoic glaciation. Rainstorm Member carbonate fans and oolitic units (representing time-correlative shallower environments) record similar carbon isotope ratios during the negative carbon isotopic anomaly. The carbon isotopic homogeneity displayed between fans and other carbonate sediments implies that waters across the shelf were well-mixed rather than stratified during the late Neoproterozoic isotopic anomaly. In addition, the similarity of carbon isotope ratios shared among fans along a stratigraphic horizon (on a m- to cm-scales) suggests that the local source of alkalinity required for fan growth was derived from a well-mixed reservoir, likely seawater, rather than local diagenetic fluids. Increased alkalinity and the presence of inhibitors to carbonate nucleation (perhaps Fe 2+ under anoxic conditions) likely fostered precipitation of aragonite crystal fans on the seafloor.

  5. Variations in sulfur mineralization in the Parachute Creek member of Green River Formation, Colorado and Utah

    SciTech Connect

    Boyer, D.L.; Cole, R.D.

    1983-04-01

    Sulfur in the Parachute Creek Member of the Green River Formation occurs primarily as pyrite, with lesser amounts of marcasite and pyrrhotite. In this study 222 samples were collected from the openlacustrine facies at Rio Blanco, the marginallacustrine facies at Douglas Pass, and a WOSCO oil shale core drilled in the Eastern Uinta Basin. One portion of each sample was crushed and analyzed for total-weight-percent sulfur (TWPS). Polished blocks were prepared from the remaining slabs. Iron-sulfide morphotypes in these blocks were characterized with a reflected light microscope. Total sulfur contents ranged from 0.0 to 4.6 wt %. Open-lacustrine oil shales in the Parachute Creek Member have much higher relative TWPS values than marginal-lacustrine rocks from the same member. In oil shale, increases in kerogen content are mirrored by increases in total-sulfur content. This correlation is most significant for moderate- to rich-grade oil shales which average between 0.42 and 0.98 TWPS. In oil shale with high relative total sulfur contents, megascopic pods and stringers and microscopic blades, compound-blade clusters and bands, and irregular massive blebs of iron sulfide are the most abundant morphotypes. Stratigraphic variations in sulfur mineralization are present at Rio Blanco. High TWPS values (more than 0.5) are found in the Mahogany ledge and R-8 zone. Rocks above and below this interval have TWPS values less than 0.5. Cyclical stratigraphic variations in TWPS values occur in the Mahogany and R-8 zones.

  6. Cobleskill and Akron members of the Rondout formation: late Silurian carbonate shelf sedimentation in the Appalachian Basin, New York

    SciTech Connect

    Belak, R.

    1980-12-01

    The outcrop of the upper Silurian Cobleskill and Akron members of the Rondout formation of New York State extends from Buffalo to E. Schoharie County and is continuous except where the units have been removed by pre-onondaga erosion. Strata included in the Cobleskill, Akron, and Chrysler members of the Rondout formation, underlying Williamsville member of the Bertie formation, and underlying Brayman Shale include several distinct Carbonate facies which have been identified by field characteristics, thin section petrography, insoluble residue analysis, and x-ray diffraction. Subfacies of the Cobleskill include subtidal biomicrites with stromatoporoid biostromes and intertidal fossiliferous micrites, whereas the Akron contains dolomitized analogs of these limestones. The overlying Chrysler is composed of supratidal, laminated, thinly bedded, finely crystalline dolostone. Careful lateral tracing of lithofacies, analysis of vertical lithofacies sequences, and study of key beds within the Cobleskill and Akron have resulted in recognition of the lateral equivalence of these 2 members. 32 references.

  7. Chemical composition of strata of the Meade Peak Phosphatic Shale Member of the Permian Phosphoria Formation

    USGS Publications Warehouse

    Herring, J.R.; Grauch, R.I.; Siems, D.F.; Tysdal, R.G.; Johnson, E.A.; Zielinski, R.A.; Desborough, G.A.; Knudsen, A.; Gunter, M.E.

    2001-01-01

    This study, one in a series, reports bulk chemical composition of rock samples collected from a core, referred to as Measured Section J, drilled at a site that subsequently was developed into the Enoch Valley phosphate mine in southeastern Idaho. The core is continuous and cuts through the entire thickness of the Meade Peak Phosphatic Shale Member of the Phosphoria Formation. The steeply dipping Meade Peak extends from 182 to 495 feet below the ground surface, which is the greatest below-ground depth of rock that has been sampled to date. The core was drilled before the start of mining, and the rocks consequently have not been exposed to the atmosphere or surficial weathering processes or fractured as a result of mining as are the rocks from other described sections. Hence, this section of the Meade Peak in the core is the least altered section of this member sampled in this series of studies. The channel-sampled rocks from Section J form a set of contiguous intervals across the entire thickness of the Meade Peak. These channel samples characterize?in ascending order?the lower phosphate ore, interlayered middle waste shale, upper phosphate ore, and upper waste shale units of the member. The Section J channel-sample suite includes 3 composite samples of the uppermost 7 feet of the Grandeur Tongue of the Permian Park City Formation, a dolomitic unit that directly underlies the Meade Peak. It also includes an analysis of a 0.1 foot section of chert directly overlying the Meade Peak. The concentrations of the chemical elements in the channel samples are compared with those of Measured Sections Aand B that were obtained from the same mine. In addition to the channel samples, 85 rock samples were selected from the core to address specific geochemical questions that resulted from examination of the core. For example, several of these samples correspond to cored rock that had unusual concentrations of various elements that were determined using a hand-held, x

  8. Magnetostratigraphy and Paleocurrent Directions for the Upper Member of the Palm Spring Formation, Mecca Hills, CA

    NASA Astrophysics Data System (ADS)

    Messe, G. T.; Housen, B. A.; Burmester, R. F.; McNabb, J. C.; Dorsey, R. J.

    2013-12-01

    Ongoing paleomagnetic analysis of the Plio-Pleistocene Palm Spring Formation of the Mecca Hills, CA provides insight into the development and sedimentation of transtensional basins in the San Andreas fault zone. Samples have a mixture of demagnetization behavior- roughly half the samples and sites have well-defined magnetization components that allow for best-fit lines to be identified, while the other set of samples and sites have curvilinear trends, so a combined line-and-plane analysis was used to determine their characteristic directions. In the upper section of Painted Canyon, samples collected and analyzed thus far yield four well-defined polarity zones in the upper member of the Palm Spring Formation. Interpretation of the polarity zones suggests that the section spans most of the Matuyama chron, including the Jaramillo and the Brunhes-Matuyama boundary. The upper member of the Palm Spring Formation is likely younger than 1.79 Ma (the termination of the Olduvai). Preliminary interpretation of measured anisotropy of magnetic susceptibility (AMS) provides sediment transport/paleocurrent direction from several of the sites, based on the interpretation methods detailed by Tarling and Hrouda (1993) and Tauxe (1998). Plots of minimum, intermediate and maximum susceptibility axes on equal area projections indicate variation of depositional settings through time, represented by the variation in susceptibility axes alignment. Substantial differences are observed between sediment types, with specimens from the two siltiest sites having the most well-defined AMS axis directions. First order analysis of AMS is consistent with a SW paleocurrent direction for the top two sites, a SE or NW paleocurrent direction for mid-section sites and SW or NE paleocurrent direction for lower sites. This interpretation is reasonable considering the provenance and transport direction of the sediments, inferred by McNabb et al. (this meeting). Alternatively, some of the AMS results may be

  9. Stratigraphy of the upper Triassic Petrified Forest Member (Chinle Formation) in Petrified Forest National Park, Arizona, USA

    SciTech Connect

    Murry, P.A. )

    1990-09-01

    The Petrified Forest Member of the Triassic Chinle Formation in a Petrified Forest National Park, Arizona may be divided into a lower and upper unit by means of the Sonsela Sandstone Bed. Analysis of fossil vertebrates indicates that the Sonsela Sandstone Bed and upper Petrified Forest Member are characterized by a fauna distinct from that within the lower portion of the Petrified Forest Member. These faunas are believed to be of Norian and Carnian age respectively. Utilizing fossil vertebrates and certain lithostratigraphic units, especially the Sonsela Sandstone Bed and black forest tuff, exposures may be correlated within and between the Rainbow Forest, Blue Mesa, and Painted Desert areas of Petrified Forest National Park.

  10. Comparison of the pebbles of the Shinarump and Moss Back members of the Chinle formation

    USGS Publications Warehouse

    Albee, Howard Franklin

    1956-01-01

    Lithology, color, size, sphericity, and roundness of pebbles from the Shinarurnp and Moss Back members of the Chinle formation were analyzed and compared. The difference in the quartz:quartzite:chert ratios of the pebbles, the presence of limestone and siltstone pebbles, and to a lesser degree,the difference in color of pebbles serve to distinguish the Moss Back from the Shinarump. In areas where both the Moss Back and Shinarump are present, the average ratios of quartz, quartzite, a.nd chert are respectively about 12:37:51 and 82:16:2. Limestone and siltstone pebbles are commonly found in the Moss Back, whereas they are rarely found in the Shinarump. The colors of the Moss Back pebbles are generally darker than those of the Shinarump pebbles. The Moss Back contains more gray to black pebbles and fewer light-colored pebbles, such as red, orange, and white, than the Shinarump. Size, sphericity, and roundness of pebbles do not show a significant difference between the two units. Fossiliferous pebbles in the Moss Back and Shinarump were derived chiefly from sediments of Carboniferous and Permian ages and could have had common sources.

  11. Conceptual model for transport processes in the Culebra Dolomite Member, Rustler Formation

    SciTech Connect

    Holt, R.M.

    1997-08-01

    The Culebra Dolomite Member of the Rustler Formation represents a possible pathway for contaminants from the Waste Isolation Pilot Plant underground repository to the accessible environment. The geologic character of the Culebra is consistent with a double-porosity, multiple-rate model for transport in which the medium is conceptualized as consisting of advective porosity, where solutes are carried by the groundwater flow, and fracture-bounded zones of diffusive porosity, where solutes move through slow advection or diffusion. As the advective travel length or travel time increases, the nature of transport within a double-porosity medium changes. This behavior is important for chemical sorption, because the specific surface area per unit mass of the diffusive porosity is much greater than in the advective porosity. Culebra transport experiments conducted at two different length scales show behavior consistent with a multiple-rate, double-porosity conceptual model for Culebra transport. Tracer tests conducted on intact core samples from the Culebra show no evidence of significant diffusion, suggesting that at the core scale the Culebra can be modeled as a single-porosity medium where only the advective porosity participates in transport. Field tracer tests conducted in the Culebra show strong double-porosity behavior that is best explained using a multiple-rate model.

  12. Laboratory column experiments for radionuclide adsorption studies of the Culebra dolomite member of the Rustler Formation

    SciTech Connect

    Lucero, D.A.; Heath, C.E.; Brown, G.O.

    1998-04-01

    Radionuclide transport experiments were carried out using intact cores obtained from the Culebra member of the Rustler Formation inside the Waste Isolation Pilot Plant, Air Intake Shaft. Twenty-seven separate tests are reported here and include experiments with {sup 3}H, {sup 22}Na, {sup 241}Am, {sup 239}Np, {sup 228}Th, {sup 232}U and {sup 241}Pu, and two brine types, AIS and ERDA 6. The {sup 3}H was bound as water and provides a measure of advection, dispersion, and water self-diffusion. The other tracers were injected as dissolved ions at concentrations below solubility limits, except for americium. The objective of the intact rock column flow experiments is to demonstrate and quantify transport retardation coefficients, (R) for the actinides Pu, Am, U, Th and Np, in intact core samples of the Culebra Dolomite. The measured R values are used to estimate partition coefficients, (kd) for the solute species. Those kd values may be compared to values obtained from empirical and mechanistic adsorption batch experiments, to provide predictions of actinide retardation in the Culebra. Three parameters that may influence actinide R values were varied in the experiments; core, brine and flow rate. Testing five separate core samples from four different core borings provided an indication of sample variability. While most testing was performed with Culebra brine, limited tests were carried out with a Salado brine to evaluate the effect of intrusion of those lower waters. Varying flow rate provided an indication of rate dependent solute interactions such as sorption kinetics.

  13. Water resources of the Black Hand Sandstone Member of the Cuyahoga Formation aquifers of Mississippian age in southeastern Ohio

    USGS Publications Warehouse

    Norris, S.E.; Mayer, G.C.

    1982-01-01

    The Black Hand Sandstone Member of the Cuyahoga Formation and associated acquifers of Mississippian age, including the Allensville Conglomerate Member of the Logan Formation, (both members of the local usage) were investigated in a 1 ,500-square-mile area in southeastern Ohio. These aquifers are the chief sources of water beneath the coal-bearing rocks of the Pennsylvanian System and are widely use for farm and home requirements. The aquifers crop out in the western part of the area and dip southeastward 35 feet per mile. At Lake Hope, in northeastern Vinton County, the aquifers are the deepest sources of ground water in Ohio, occurring at depths locally exceeding 700 feet. At McArthur, in Vinton County, the aquifers yield about 300,000 gallons per day for municipal and industrial use, but withdrawal has been accompanied by declining ground-water levels during the past 10 years in a 10-square-mile area. (USGS)

  14. Unconformities in the mid-Late Proterozoic Pahrump Group: Stratigraphic evidence from the upper member Crystal Spring Formation

    SciTech Connect

    Mbuyi, K.; Prave, A.R. . Dept. of Earth and Atmospheric Sciences)

    1993-04-01

    Deposition of the Pahrump Group rocks (Crystal Spring-Beck Spring-Kingston Peak Formations) in the Death Valley region of California post-dates 1.7 to 1.4 Ga gneissic basement rocks (Wright et al., 1976) and mostly predates the inferred 0.75 Ga glacial deposits of the Kingston Peak Formation. The 1.08 Ga age of the diabase sills in the middle Crystal Spring Formation provides an additional time constraint. Event though this time span is excessive when compared to better dated Phanerozoic successions, the Pahrump Group, nonetheless, has been assumed to be internally conformable. Results from the authors recent work invalidates that assumption. They have carefully measured 15 sections of upper member Crystal Spring Formation rocks and have mapped in detail the belt of exposures in the Saratoga, Saddle Peak, and Ibex Hills, and northern Kingston Range. Their data indicates that an unconformity of significant but unknown duration occurs within the upper member. Evidence for this unconformity includes: (1) local angular discordance of up to 20[degree]; (2) presence of an erosive-based breccia unit (0.10--30 m thick) that consists mostly of hornfelsic clasts derived from immediately subjacent rocks; and (3) erosional beveling and truncation of underlying rocks. In addition, the upward transition to Beck Spring deposition is marked by a disconformity (sequence boundary) that cuts down across and erosionally truncates strata of the upper member Crystal Spring Formation.

  15. Diagenesis and fracture development in the Bakken Formation, Williston Basin; implications for reservoir quality in the middle member

    USGS Publications Warehouse

    Pitman, Janet K.; Price, Leigh C.; LeFever, Julie A.

    2001-01-01

    The middle member of the Bakken Formation is an attractive petroleum exploration target in the deeper part of the Williston Basin because it is favorably positioned with respect to source and seal units. Progressive rates of burial and minor uplift and erosion of this member led to a stable thermal regime and, consequently, minor variations in diagenesis across much of the basin. The simple diagenetic history recorded in sandstones and siltstones in the middle member can, in part, be attributed to the closed, low-permeability nature of the Bakken petroleum system during most of its burial history. Most diagenesis ceased in the middle member when oil entered the sandstones and siltstones in the Late Cretaceous. Most oil in the Bakken Formation resides in open, horizontal fractures in the middle member. Core analysis reveals that sandstones and siltstones associated with thick mature shales typically have a greater density of fractures than sandstones and siltstones associated with thin mature shales. Fractures were caused by superlithostatic pressures that formed in response to increased fluid volumes in the source rocks during hydrocarbon generation

  16. Petrology of Tullock Member, Fort Union Formation, Wyoming and Montana: Evidence for early Paleocene uplift of Bighorn Mountains

    SciTech Connect

    Brown, J.L.; Hansley, P.L. )

    1989-09-01

    New petrologic data collected from sandstones in the Paleocene Tullock Member of the Fort Union Formation above the Cretaceous/Tertiary boundary in the Powder River basin (PRB) and from the lowermost Paleocene in the Bighorn basin, Wyoming and Montana, compel reevaluation of the timing of the bighorn uplift, formerly thought to be middle Paleocene. The Cretaceous/Tertiary boundary is identified by regionally valid palynological and trace element geochemical criteria. Basin-wide outcrop and subsurface studies of the Tullock Member indicate deposition on a low-gradient alluvial plain extending toward the retreating Cannonball sea. Eastward-flowing, low-sinuosity paleostreams containing small, sandy, stable channels characterized the fluvial systems.

  17. A new species of Pulvinites (Mollusca: Bivalvia) from the upper Paleocene Paspotansa Member of the Aquia Formation in Virginia ( USA).

    USGS Publications Warehouse

    Ward, L.W.; Waller, T.R.

    1988-01-01

    Pulvinites lawrencei n.sp. is described from the upper Paleocene (Landenian Stage) Paspotansa Member of the Aquia Formation in Stafford County, Virginia. This is the first report of a member of the pteriacean family Pulvinitidae in the Tertiary on either side of the Atlantic, the only other post-Mesozoic records of Pulvinites being in the Paleocene of California and the present-day Pacific off southeast Australia. The stratigraphic setting and co-occurring molluscan assemblage of the new species indicate shallow-shelf, open-marine conditions with near normal salinities. -Authors

  18. Revised Lithostratigraphy of the Sonsela Member (Chinle Formation, Upper Triassic) in the Southern Part of Petrified Forest National Park, Arizona

    PubMed Central

    Martz, Jeffrey W.; Parker, William G.

    2010-01-01

    Background Recent revisions to the Sonsela Member of the Chinle Formation in Petrified Forest National Park have presented a three-part lithostratigraphic model based on unconventional correlations of sandstone beds. As a vertebrate faunal transition is recorded within this stratigraphic interval, these correlations, and the purported existence of a depositional hiatus (the Tr-4 unconformity) at about the same level, must be carefully re-examined. Methodology/Principal Findings Our investigations demonstrate the neglected necessity of walking out contacts and mapping when constructing lithostratigraphic models, and providing UTM coordinates and labeled photographs for all measured sections. We correct correlation errors within the Sonsela Member, demonstrate that there are multiple Flattops One sandstones, all of which are higher than the traditional Sonsela sandstone bed, that the Sonsela sandstone bed and Rainbow Forest Bed are equivalent, that the Rainbow Forest Bed is higher than the sandstones at the base of Blue Mesa and Agate Mesa, that strata formerly assigned to the Jim Camp Wash beds occur at two stratigraphic levels, and that there are multiple persistent silcrete horizons within the Sonsela Member. Conclusions/Significance We present a revised five-part model for the Sonsela Member. The units from lowest to highest are: the Camp Butte beds, Lot's Wife beds, Jasper Forest bed (the Sonsela sandstone)/Rainbow Forest Bed, Jim Camp Wash beds, and Martha's Butte beds (including the Flattops One sandstones). Although there are numerous degradational/aggradational cycles within the Chinle Formation, a single unconformable horizon within or at the base of the Sonsela Member that can be traced across the entire western United States (the “Tr-4 unconformity”) probably does not exist. The shift from relatively humid and poorly-drained to arid and well-drained climatic conditions began during deposition of the Sonsela Member (low in the Jim Camp Wash beds), well

  19. Scrutiny of a Diamictite to Cap-Carbonate Contact: Neoproterozoic Scout Mountain Member, Pocatello Formation, Idaho

    NASA Astrophysics Data System (ADS)

    Kirkham, K. R.; Dehler, C. M.; Sallay, S. A.

    2008-12-01

    It is common in Neoproterozoic strata worldwide to find 'cap carbonates' overlying inferred glaciogenic diamictites. Despite the fact that many of the contacts are sharp, the relationship between these carbonate units and the underlying diamictites is commonly interpreted to be conformable and to indicate post-glacial transgressive alkalinity events immediately following the aftermath of low-latitude glaciation. If, however, these cap-carbonate units are not conformable with the underlying diamictites, it might imply that they are recording local or global alkalinity events independent of the glacial conditions recorded in the diamictites. The cap carbonate in the Scout Mountain Member of the Pocatello Formation in southeastern Idaho is an excellent site to study the nature of the diamictite to cap-carbonate relationship because the contact is bracketed by two absolute ages: the contact lies ~100 m above a tuff that is 709 Ma and a reworked tuff ~50 m above the contact has been dated at 667 Ma (Fanning and Link, 2004). There is thus ca. 42 million years of time represented in a ~150-m-thick stratigraphic interval implying that there should be at least one unconformity present in this relatively thin stratal package. Most workers have placed a single major sequence boundary/unconformity in this 150-m-thick interval at the top of the cap carbonate, associated with a dolomite-chip breccia unit. Our facies analysis suggests that the most likely place for an unconformity is at the contact between the diamictite and the cap carbonate. The cap carbonate displays a genetic relationship with adjacent and overlying facies, and sits sharply on the diamictite unit (~50 m thick). The cap carbonate comprises pink laminated peloidal dolomicrite (1 m thick) and exhibits rare symmetric and interference ripples, possible hummocky-cross stratification, and negative δ13Ccarb values. Approximately 2 kms along strike, this cap dolomicrite facies is absent and the dolomite-chip breccia

  20. Characterization of DOE reference oil shales: Mahogany Zone, Parachute Creek Member, Green River Formation Oil Shale, and Clegg Creek Member, New Albany Shale

    SciTech Connect

    Miknis, F. P.; Robertson, R. E.

    1987-09-01

    Measurements have been made on the chemical and physical properties of two oil shales designated as reference oil shales by the Department of Energy. One oil shale is a Green River Formation, Parachute Creek Member, Mahogany Zone Colorado oil shale from the Exxon Colony mine and the other is a Clegg Creek Member, New Albany shale from Kentucky. Material balance Fischer assays, carbon aromaticities, thermal properties, and bulk mineralogic properties have been determined for the oil shales. Kerogen concentrates were prepared from both shales. The measured properties of the reference shales are comparable to results obtained from previous studies on similar shales. The western reference shale has a low carbon aromaticity, high Fischer assay conversion to oil, and a dominant carbonate mineralogy. The eastern reference shale has a high carbon aromaticity, low Fischer assay conversion to oil, and a dominant silicate mineralogy. Chemical and physical properties, including ASTM distillations, have been determined for shale oils produced from the reference shales. The distillation data were used in conjunction with API correlations to calculate a large number of shale oil properties that are required for computer models such as ASPEN. There was poor agreement between measured and calculated molecular weights for the total shale oil produced from each shale. However, measured and calculated molecular weights agreed reasonably well for true boiling point distillate fractions in the temperature range of 204 to 399/sup 0/C (400 to 750/sup 0/F). Similarly, measured and calculated viscosities of the total shale oils were in disagreement, whereas good agreement was obtained on distillate fractions for a boiling range up to 315/sup 0/C (600/sup 0/F). Thermal and dielectric properties were determined for the shales and shale oils. The dielectric properties of the reference shales and shale oils decreased with increasing frequency of the applied frequency. 42 refs., 34 figs., 24

  1. A branching, positive relief network in the middle member of the Medusae Fossae Formation, equatorial Mars—Evidence for sapping?

    NASA Astrophysics Data System (ADS)

    Harrison, S. K.; Balme, M. R.; Hagermann, A.; Murray, J. B.; Muller, J.-P.; Wilson, A.

    2013-09-01

    The Medusae Fossae Formation (MFF) is a geological formation comprising three geological units (members) spread across five principal lobes. It dominates a quarter of the longitudinal extent of the equatorial region of Mars. Positive relief features referred to as ‘sinuous ridges’ (commonly interpreted as inverted paleoflow channel or valley fills) have been observed in the lowest member of the western MFF, but have not been identified within the central and eastern portions of the formation, in the middle and upper members. This paper presents the identification and analysis of a branching, positive relief system which occurs in the central lobe of the MFF in what appears to be an exposure of the middle member. A simple geomorphological map of the system is presented, from which we have adopted the working hypothesis that this is an inverted fill of a branching fluvial channel or valley system. A suite of morphological and topographic evidence supporting this hypothesis is presented, including analysis of the network using a ∼15 m/pixel digital terrain model derived from a Context Imager (CTX) stereo image pair. The evidence supporting this hypothesis includes: (1) the local slope and topography of the upper surface of the network are consistent with a contributory network; (2) the braided, fan-like form at the termination of the branching network is consistent in morphology with it being a depositional fan at the end of a fluvial system; (3) the terminal fan and surrounding deposits show layering and polygonization; and (4) there is strong association between the lower order branches and amphitheater shaped scarps in the depression walls. We evaluate the possible origins of this fluvial system and suggest that seepage sapping is the most probable. Two possible models for the evolution of the network and related features are presented; both require melt of ice within the MFF to form liquid water. We conclude that at least some portions of the Medusae Fossae

  2. The structure and stratigraphy of the Pen Argyl Member of the Martinsburg Formation in Lehigh and Berks counties, Pennsylvania

    USGS Publications Warehouse

    Lash, Gary George

    1978-01-01

    The Pen Argyl Member, the upper claystone slate member of the Martinsburg Formation, was studied in three quadrangles in Lehigh and Berks Counties, Pennsylvania. Graptolites collected from the Pen Argyl Member at Lehigh Gap indicate a lower Upper Ordovician (Edenian-Maysvillian) age for the Pen Argyl Member. The Pen Argyl Member in this area is located on the normal limb and in the brow of the large, recumbent Musconetcong nappe. It is a deep water flysch deposit emplaced by turbidity currents from a southeasterly source. Sedimentologic and structural evidence show that the Pen Argyl member overlies the sandy middle Ramseyburg Member, thus supporting the tripartite subdivision of the Martinsburg Formation. Field and thin section study indicates that the penetrative slaty cleavage formed in an indurated rock probably by pressure solution and neocrystallization under lower greenschist facies metamorphism. Strain-slip cleavage formed as a result of a stress couple operating parallel to the slaty cleavage that transposed the slaty cleavage into a more spaced cleavage. Both cleavages are believed to have formed within the same stress continuum and in close succession. Analysis of the folds in the Pen Argyl Member indicate six phases of major and minor folding. The earliest folding, F1, resulted in the development of the recumbent nappe. F2 folds can only be determined statistically; these axes plunge either northeast or southwest Asymmetric folds, F3, and associated F4 crenulations formed within the same stress continuum. F5 folds are large open folds and are exemplified by the Mosservi!le anticline. Kink folds, F6 and associated crenulations are fault related and were the last folds to form. Faults in the Pen Argyl Member range from small displacements along slaty cleavage to large reverse faults. The largest of these, the Eckville fault, is recognized throughout the three quadrangle area. It is a high angle reverse fault that separates the Shochary sequence from the

  3. Uranium enrichment in lacustrine oil source rocks of the Chang 7 member of the Yanchang Formation, Erdos Basin, China

    NASA Astrophysics Data System (ADS)

    Yang, Hua; Zhang, Wenzheng; Wu, Kai; Li, Shanpeng; Peng, Ping'an; Qin, Yan

    2010-09-01

    The oil source rocks of the Chang 7 member of the Yanchang Formation in the Erdos Basin were deposited during maximum lake extension during the Late Triassic and show a remarkable positive uranium anomaly, with an average uranium content as high as 51.1 μg/g. Uranium is enriched together with organic matter and elements such as Fe, S, Cu, V and Mo in the rocks. The detailed biological markers determined in the Chang 7 member indicate that the lake water column was oxidizing during deposition of the Chang 7 member. However, redox indicators for sediments such as S 2- content, V/Sc and V/(V + Ni) ratios demonstrate that it was a typical anoxic diagenetic setting. The contrasted redox conditions between the water column and the sediment with a very high content of organic matter provided favorable physical and chemical conditions for syngenetic uranium enrichment in the oil source rocks of the Chang 7 member. Possible uranium sources may be the extensive U-rich volcanic ash that resulted from contemporaneous volcanic eruption and uranium material transported by hydrothermal conduits into the basin. The uranium from terrestrial clastics was unlike because uranium concentration was not higher in the margin area of basin where the terrestrial material input was high. As indicated by correlative analysis, the oil source rocks of the Chang 7 member show high gamma-ray values for radioactive well log data that reflect a positive uranium anomaly and are characterized by high resistance, low electric potential and low density. As a result, well log data can be used to identify positive uranium anomalies and spatial distribution of the oil source rocks in the Erdos Basin. The estimation of the total uranium reserves in the Chang 7 member attain 0.8 × 10 8 t.

  4. Hydrocarbon potential, structural setting and depositional environments of Hammam Faraun Member of the Belayim Formation, Southern Gulf of Suez, Egypt

    NASA Astrophysics Data System (ADS)

    Nabawy, Bassem S.; El Sharawy, Mohamed S.

    2015-12-01

    The Middle Miocene Belayim Formation is one of the most prolific formations in the Southern Gulf of Suez. It consists of four members; two members are evaporitic (Baba and Feiran) and the other two members are prospective, mostly clastics (Hammam Faraun and Sidri). The hydrocarbon potential and depositional environment of Hammam Faraun Member, the target of the present study, have been studied in 11 wells distributed in the southern province of the Gulf of Suez. The traditional well log data, as well as the Spectral Gamma-Ray logs 'SGR' and dipmeter data were used to evaluate the petrophysical properties and distribution of the Hammam Faraun Member in the Southern Gulf of Suez. It varies greatly in thickness with the greatest thicknesses in GS 365 (372 ft) and GS 373 (430 ft) fields in the central parts and the thinnest at the basin margins of the studied area at GH376 (65 ft) and Ras El Bahar (67.5 ft) fields. It is composed of clastic rocks, mainly shales and sometimes reef carbonates. The very good petrophysical properties of the studied sequence indicate a good reservoir in some fields with good to very good porosity (13.5 ≤ ∅ ≤ 25.0%). The shale volume of this reservoir sequence is less than 33% and the water saturation is less than 42.3%, while the net-pay thickness is up to 58 ft. The SGR and Pe logs indicate that, the studied rocks were deposited mostly in lagoonal to shallow marine environments, with illite and montmorillonite as dominant clay minerals. The dipmeter data obtained in some wells indicate slightly tilted beds, mostly less than 20° with an overall dip direction towards the SW, which represents the regional dip in the Southern Gulf of Suez. Based on dipmeter data, two major angular unconformities can be detected; one at the top of the sequence, separating it from the overlying South Gharib evaporates, and another one at the base of the sequence, separating it from the underlying Feiran Member.

  5. Distribution of elements in the Salt Wash member of the Morrison Formation in the Jo Dandy area, Montrose County, Colorado

    USGS Publications Warehouse

    Newman, William L.; Elston, Donald P.

    1957-01-01

    A study of the distribution of elements in the Salt Wash member of the Morrison formation of Jurassic age from samples taken in the Jo Dandy area, Montrose County, Colo., was made to determine average chemical composition of mudstone and sandstone and to determine the magnitude of variations in concentrations of elements within similar rock types. Analytical data were obtained by semiquantitative spectrographic and radiometric methods. Results of the study show that variations in concentrations of about 20 elements commonly detected by semiquantititive spectrographic analyses of sedimentary rocks are small for a specific rock type; therefore, considerable confidence may be placed upon the average chemical appears to be no significant relation between chemical composition of mudstone or sandstone and distance from known uranium-vanadium ore or mineralization rock. Mudstone generally contains greater concentrations of the elements studied than sandstone. The chemical composition of red mudstone is similar to the chemical composition of green mudstone except that red mudstone was found to contain almost twice as much calcium as green mudstone in the Jo Dandy area. Samples of the unoxidized sandstone from the Jo Dandy area contain about twice as much calcium, three times as much strontium, but only about one-half as much as zirconium as oxidized sandstone; except for these elements the chemical compositions of both categories of sandstone are similar. Samples of sandstone of the Salt Wash member in the Jo Dandy area contain more potassium, magnesium, vanadium, and nickel than “average sandstone” of the Salt Wash member. The distribution of bismuth in rocks of the Jo Dandy area suggests that bismuth and perhaps part of the potassium and magnesium found in rocks of the Salk Wash member were either derived from solutions which ascended from the underlying salt- and gypsum-bearing Paradox member that was incorporated with rocks of the Salt Wash during sedimentation.

  6. Two quorum sensing systems control biofilm formation and virulence in members of the Burkholderia cepacia complex

    PubMed Central

    Suppiger, Angela; Schmid, Nadine; Aguilar, Claudio; Pessi, Gabriella; Eberl, Leo

    2013-01-01

    The Burkholderia cepacia complex (Bcc) consists of 17 closely related species that are problematic opportunistic bacterial pathogens for cystic fibrosis patients and immunocompromised individuals. These bacteria are capable of utilizing two different chemical languages: N-acyl homoserine lactones (AHLs) and cis-2-unsaturated fatty acids. Here we summarize the current knowledge of the underlying molecular architectures of these communication systems, showing how they are interlinked and discussing how they regulate overlapping as well as specific sets of genes. A particular focus is laid on the role of these signaling systems in the formation of biofilms, which are believed to be highly important for chronic infections. We review genes that have been implicated in the sessile lifestyle of this group of bacteria. The new emerging role of the intracellular second messenger cyclic dimeric guanosine monophosphate (c-di-GMP) as a downstream regulator of the fatty acid signaling cascade and as a key factor in biofilm formation is also discussed. PMID:23799665

  7. P31comet, a member of the synaptonemal complex, participates in meiotic DSB formation in rice.

    PubMed

    Ji, Jianhui; Tang, Ding; Shen, Yi; Xue, Zhihui; Wang, Hongjun; Shi, Wenqing; Zhang, Chao; Du, Guijie; Li, Yafei; Cheng, Zhukuan

    2016-09-20

    The human mitotic arrest-deficient 2 (Mad2) binding protein p31(comet) participates in the spindle checkpoint and coordinates cell cycle events in mitosis although its function in meiosis remains unknown in all organisms. Here, we reveal P31(comet) as a synaptonemal complex (SC) protein in rice (Oryza sativa L.). In p31(comet), homologous pairing and synapsis are eliminated, leading to the homologous nondisjunction and complete sterility. The failure in loading of histone H2AX phosphorylation (γH2AX) in p31(comet), together with the suppressed chromosome fragmentation in rice completion of meiotic recombination 1 (com1) p31(comet) and radiation sensitive 51c (rad51c) p31(comet) double mutants, indicates that P31(comet) plays an essential role in double-strand break (DSB) formation. Interestingly, the dynamic colocalization pattern between P31(comet) and ZEP1 (a transverse filament protein of SC) by immunostaining, as well as the interaction between P31(comet) and CENTRAL REGION COMPONENT 1 (CRC1) in yeast two-hybrid assays, suggests possible involvement of P31(comet) in SC installation. Together, these data indicate that P31(comet) plays a key role in DSB formation and SC installation, mainly through its cooperation with CRC1. PMID:27601671

  8. P31comet, a member of the synaptonemal complex, participates in meiotic DSB formation in rice

    PubMed Central

    Ji, Jianhui; Tang, Ding; Shen, Yi; Xue, Zhihui; Wang, Hongjun; Shi, Wenqing; Zhang, Chao; Du, Guijie; Li, Yafei; Cheng, Zhukuan

    2016-01-01

    The human mitotic arrest-deficient 2 (Mad2) binding protein p31comet participates in the spindle checkpoint and coordinates cell cycle events in mitosis although its function in meiosis remains unknown in all organisms. Here, we reveal P31comet as a synaptonemal complex (SC) protein in rice (Oryza sativa L.). In p31comet, homologous pairing and synapsis are eliminated, leading to the homologous nondisjunction and complete sterility. The failure in loading of histone H2AX phosphorylation (γH2AX) in p31comet, together with the suppressed chromosome fragmentation in rice completion of meiotic recombination 1 (com1) p31comet and radiation sensitive 51c (rad51c) p31comet double mutants, indicates that P31comet plays an essential role in double-strand break (DSB) formation. Interestingly, the dynamic colocalization pattern between P31comet and ZEP1 (a transverse filament protein of SC) by immunostaining, as well as the interaction between P31comet and CENTRAL REGION COMPONENT 1 (CRC1) in yeast two-hybrid assays, suggests possible involvement of P31comet in SC installation. Together, these data indicate that P31comet plays a key role in DSB formation and SC installation, mainly through its cooperation with CRC1. PMID:27601671

  9. Sedimentology and Mangetic Properties of the Late Eocene - Early Oligocene Vera Member, Sarmiento Formation at Gran Barranca, Argentina

    NASA Astrophysics Data System (ADS)

    Selkin, P. A.; Davies-Vollum, K.; Stromberg, C. A.; Dunn, R. E.; Madden, R.; Re, G. H.

    2012-12-01

    The Vera Member of the Sarmiento Formation at Gran Barranca, Argentina represents one of the few continuous terrestrial records of environmental change across the Eocene-Oligocene Transition (EOT) from the Southern Hemisphere. The Vera Member consists dominantly of sediment in the sand- to silt- size range (median grain size > approximately 10 μm), previously interpreted as pyroclastic deposits interspersed with weakly developed paleosols, deposited within a channel. New grain size data from the Vera Member reveal several intervals of relatively fine-grained sediment (median grain size <10 μm). Magnetic susceptibility varies with a pattern nearly opposite that of median grain size, with the fine-grained intervals characterized by susceptibility slightly above average (> 5 × 10-7 m3/kg), and coarse-grained material characterized by low susceptibilities (< 5 × 10-7 m3/kg). Hysteresis and isothermal remanence acquisition experiments suggest that the susceptibility variations are controlled both by variations in paramagnetic and ferromagnetic mineralogy. More precisely, multi-component coercivity spectra are consistent with at least three remanence carriers: a magnetically hard phase (median Bc ~200 mT) and at least two softer phases (both with median Bc <30 mT). The concentration of these phases varies throughout the section. The high-susceptibility, fine-grained material is consistent with windblown material, possibly volcanic ash. The low-susceptibility, coarser material may indicate leaching during periods between airfall events. There is no evidence of a change in leaching or the deposition of windblown material throughout the Vera Member.

  10. Human EML4, a novel member of the EMAP family, is essential for microtubule formation

    SciTech Connect

    Pollmann, Marc; Parwaresch, Reza; Adam-Klages, Sabine; Kruse, Marie-Luise; Buck, Friedrich; Heidebrecht, Hans-Juergen . E-mail: hheidebrecht@path.uni-kiel.de

    2006-10-15

    Human EML4 (EMAP-like protein 4) is a novel microtubule-associated WD-repeat protein of 120 kDa molecular weight, which is classified as belonging to the conserved family of EMAP-like proteins. Cosedimentation assays demonstrated that EML4 associates with in vitro polymerized microtubules. Correspondingly, immunofluorescence stainings and transient expression of EGFP-labeled EML4 revealed a complete colocalization of EML4 with the interphase microtubule array of HeLa cells. We present evidence that the amino-terminal portion of EML4 (amino acids 1-249) is essential for the association with microtubules. Immunoprecipitation experiments revealed that EML4 is hyperphosphorylated on serine/threonine residues during mitosis. In addition, immunofluorescence stainings demonstrated that hyperphosphorylated EML4 is associated with the mitotic spindle, suggesting that the function of EML4 is regulated by phosphorylation. siRNA-mediated knockdown of EML4 in HeLa cells led to a significant decrease in the number of cells. In no case mitotic figures could be observed in EML4 negative HeLa cells. Additionally, we observed a significant reduction of the proliferation rate and the uptake of radioactive [{sup 3}H]-thymidine as a result of EML4 silencing. Most importantly, EML4 negative cells showed a completely modified microtubule network, indicating that EML4 is necessary for correct microtubule formation.

  11. Vibration based baseline updating method to localize crack formation and propagation in reinforced concrete members

    NASA Astrophysics Data System (ADS)

    Wahalathantri, Buddhi L.; Thambiratnam, David P.; Chan, Tommy H. T.; Fawzia, Sabrina

    2015-05-01

    Structural Health Monitoring (SHM) schemes are useful for proper management of the performance of structures and for preventing their catastrophic failures. Vibration based SHM schemes has gained popularity during the past two decades resulting in significant research. It is hence evitable that future SHM schemes will include robust and automated vibration based damage assessment techniques (VBDAT) to detect, localize and quantify damage. In this context, the Damage Index (DI) method which is classified as non-model or output based VBDAT, has the ability to automate the damage assessment process without using a computer or numerical model along with actual measurements. Although damage assessment using DI methods have been able to achieve reasonable success for structures made of homogeneous materials such as steel, the same success level has not been reported with respect to Reinforced Concrete (RC) structures. The complexity of flexural cracks is claimed to be the main reason to hinder the applicability of existing DI methods in RC structures. Past research also indicates that use of a constant baseline throughout the damage assessment process undermines the potential of the Modal Strain Energy based Damage Index (MSEDI). To address this situation, this paper presents a novel method that has been developed as part of a comprehensive research project carried out at Queensland University of Technology, Brisbane, Australia. This novel process, referred to as the baseline updating method, continuously updates the baseline and systematically tracks both crack formation and propagation with the ability to automate the damage assessment process using output only data. The proposed method is illustrated through examples and the results demonstrate the capability of the method to achieve the desired outcomes.

  12. Model for sandstone-carbonate cyclothems based on upper member of Morgan Formation (Middle Pennsylvanian) of Northern Utah and Colorado

    SciTech Connect

    Driese, S.G.; Dott, R.H. Jr.

    1984-05-01

    The upper member of the 200 m (660 ft) thick Morgan Formation (Middle Pennsylvanian) consists of 5-25 m (16-82 ft) thick, very fine-grained quartz sandstone units that are interbedded repetitively with 0.5-11 m (1.6-36 ft) thick, oolitic, bioclastic, peloidal, and micritic carbonate units. Similar repetitive sequences occur widely in western North America. The quartz sandstone-carbonate cyclothems defined by this study have potential as targets for hydrocarbon exploration. Both eolian dune sandstones and dolomitized shelf carbonate strata are locally important reservoir rocks in the subsurface in parts of the western Overthrust belt in Utah and Wyoming. 84 references, 22 figures, 4 tables.

  13. A Multi-Scale Facies Analysis and Diagenetic Patterns of Early Devonian Microbial Carbonate, Qasr Member, Jauf Formation

    NASA Astrophysics Data System (ADS)

    Koeshidayatullah, Ardiansyah; Al-Ramadan, Khalid

    2014-05-01

    In Northwestern Saudi Arabia, Al-Jauf area provides well-exposed outcrops of Early Devonian microbial carbonate in the Dumat Al-Jandal and Wadi Murayr areas. The Qasr Member of Jauf Formation is the first major carbonate unit of the Paleozoic succession in Saudi Arabia that mainly consists of stromatolite and coralline sponge (stromatoporoid) reef. Petrographic and stratigraphic examination, together with geochemical analyses, were designed to characterize the facies distribution and interpret their depositional and diagenetic processes. Multiscale facies analysis from macroscopic to microscopic scales shows a large facies heterogeneity, with a total of 11 facies being identified. Based on the facies analysis and faunal assemblages, the Qasr Member was deposited in the warm-shallow water carbonate rimmed platform and range between a tidal flat, platform interior, barrier reef/shoal to upper slope. Major part of the carbonate successions were deposited in the tidal flat environment. The presence of stromatolite may suggest warm-very shallow water with elevated salinity condition due to the restriction from open marine water. The main diagenetic alterations observed from the studied samples are carbonate cementation and dolomitization. Integration of petrography and cathodoluminescence studies shows four distinct cement generations that include 1) isophachous blocky cements, 2) poikilotopic calcite cements, 3) drusy cements, 4) fine-to-medium equant cements. Three distinct types of dolomite texture are recognized from petrographic study and include: planar-e dolomite (euhedral, most dominant), planar-s dolomite (subhedral) and matrix selective dolomite (anhedral).

  14. A New Upper Jurassic Ophthalmosaurid Ichthyosaur from the Slottsmøya Member, Agardhfjellet Formation of Central Spitsbergen

    PubMed Central

    Roberts, Aubrey Jane; Druckenmiller, Patrick Scott; Sætre, Glenn-Peter; Hurum, Jørn Harald

    2014-01-01

    Abundant new ichthyosaur material has recently been documented in the Slottsmøya Member of the Agardhfjellet Formation from the Svalbard archipelago of Norway. Here we describe a partial skeleton of a new taxon, Janusaurus lundi, that includes much of the skull and representative portions of the postcranium. The new taxon is diagnosed by a suite of cranial character states including a very gracile stapedial shaft, the presence of a dorsal process on the prearticular and autapomorphic postcranial features such as the presence of an interclavicular trough and a conspicuous anterodorsal process of the ilium. The peculiar morphology of the ilia indicates a previously unrecognized degree of morphological variation in the pelvic girdle of ophthalmosaurids. We also present a large species level phylogenetic analysis of ophthalmosaurids including new and undescribed ichthyosaur material from the Upper Jurassic of Svalbard. Our results recover all Svalbard taxa in a single unresolved polytomy nested within Ophthalmosaurinae, which considerably increases the taxonomic composition of this clade. The paleobiogeographical implications of this result suggest the presence of a single clade of Boreal ophthalmosaurid ichthyosaurs that existed during the latest Jurassic, a pattern also reflected in the high degree of endemicity among some Boreal invertebrates, particularly ammonoids. Recent and ongoing descriptions of marine reptiles from the Slottsmøya Member Lagerstätte provide important new data to test hypotheses of marine amniote faunal turnover at the Jurassic-Cretaceous boundary. PMID:25084533

  15. Competitive formation of 10- and 7-membered hydrogen-bonded rings of proline-containing model peptides

    NASA Astrophysics Data System (ADS)

    Jin, Yusuke; Tonan, Kenji; Ikawa, Shun-ichi

    2002-10-01

    Intramolecularly hydrogen-bonded structures of proline-containing model peptides with a sequence of N- tert-butoxycarbonyl-prolyl-Xaa-NHCH 3 [Xaa=Gly (glycyl), Ala (alanyl), Phe (phenylalanyl), Leu (leucyl), Ile (isoleucyl), and Val (valyl)] were studied by proton nuclear magnetic resonance and infrared spectroscopy. Variation of chemical shifts of amide protons with composition change of DMSO- d6/CDCl 3 mixed solvents were found to be a good measure of intramolecular hydrogen bonding of peptides in CDCl 3 solution. It has been shown that 10- and 7-membered hydrogen-bonded rings, which should have the β- and γ-turn like structures in proteins, respectively, form competitively with each other. It is suggested that the equilibrium between the two hydrogen-bonded rings is determined by steric hindrance due to a side chain of the Xaa residue. Free energies for formation of the 10- and 7-membered hydrogen-bonded rings, Δ G10 and Δ G7, were estimated from the solvent composition-dependent change of the chemical shifts. A good correlation between Δ G10 and the occurrence frequencies of residues Xaa at the ( i+2)th position for the β-turns in proteins has been found.

  16. Geology and taphonomy of the base of the Taquaral Member, Irati Formation (Permian, Paraná Basin), Brazil

    NASA Astrophysics Data System (ADS)

    Chahud, Artur; Petri, Setembrino

    2015-09-01

    The taphonomy of Early Permian vertebrates from a sandy facies at the base of the Taquaral Member, Irati Formation, was surveyed in order to acquire data for the interpretation of the sedimentary processes and paleoenvironment of deposition. Six outcrops from the Rio Claro municipality and surrounding areas, from the Brazilian State of São Paulo, were investigated. The vertebrate groups are Chondrichthyes (Xenacanthiformes, Ctenacanthiformes and Petalodontiformes), Osteichthyes (Actinopterygii and Sarcopterygii) and Tetrapodomorpha. They occur as loose teeth, scales, spines and bone remains. The sandy facies is characterized by fining upward deposition. The coarser sandstone immediately above the underlying Tatuí Formation is rich in Chondrichthyes. However, the fine sandstone above, immediately beneath the silty shale facies, is devoid of Chondrichthyes, though Osteichthyes scales, teeth and bones were present. The taphonomy is important for inferring sedimentary processes and then the paleoenvironments. The poor sorting of the sandstone and the presence of fossils that are mostly abraded or worn are indicative of a high energy environment. In contrast, the presence of fossils in a good state of preservation, some without abrasion and breakages are indicative of only limited transport. Differences of fossil spatial density, numbers of specimens and taxa may be explained by the dynamics of deposition, from details of the palaeoenvironment can be obtained.

  17. Eccentricity and precession forced cyclicity in the Upper Silurian Williamsport Sandstone Member of the Wills Creek Formation

    SciTech Connect

    Shelton, S.D.; Anderson, E.J. . Dept. of Geology)

    1993-03-01

    The Williamsport Sandstone Member, located at the base of the Wills Creek Formation, contains a complete 5th order sequence, traceable for more than 100 kilometers. This 5th order sequence is initiated with a massive iron-rich sandstone unit. The upper iron-rich sand of the Williamsport Member marks the beginning of the next 5th order sequence. The first 5th order rock cycle, interpreted as the product of the 100 k.y. Milankovitch eccentricity cycle, is divisible into five meter-scale 6th order precessional cycles (PACs). At Cedar Cliff, Maryland, the lithology of each of the five 6th order cycles is distinct. The first cycle (.8m thick) is a massive iron-rich sandstone. The second cycle (.75m thick) is an argillaceous nodular micrite. The third cycle (.75m thick) consists totally of thin-bedded quartz sandstone. The fourth cycle (2m thick) is represented by bedded limestones that thicken upward. The fifth cycle (.6m thick) is very thin-bedded to nodular limestone. This 5th order sequence and most of its internal cyclic elements can be traced over 100 kilometers to Mount Union, Pennsylvania where its facies are largely non-marine. Detailed correlation of these 6th order cycles reveals that the uppermost PAC is missing at Cumberland and Mount Union. At these localities, the prominent iron bed of the next 5th order sequence rests unconformably on the fourth PAC in the sequence. The fifth 6th order cycle was either not deposited or removed by erosion at these proximal localities. The laterally traceable hierarchic cyclic structure in the Williamsport Sandstone is consistent with the Milankovitch forcing model and provides a detailed stratigraphic basis for analysis of lateral patterns of cyclic accumulation in the late Silurian of the central Appalachians.

  18. Biomarker variations in relation to paleogeography in the Saltos Shale member of the Monterey Formation, Cuyama basin, California

    SciTech Connect

    Lillis, P.G. )

    1990-05-01

    The Miocene stratigraphy of the Cuyama basin provides an excellent opportunity to correlate geology with molecular organic geochemistry (e.g., biomartker compounds) because the paleogeography and paleobathymetry of the basin are well constrained by surface and subsurface geologic mapping and detailed micropaleontology. The Monterey Formation is composed of biogenous and terrigenous sediments that accumulated in a deep marine borderland basin adjacent to a Miocene shoreline. the lower member, the Saltos Shale, is predominately terrigenous sediment interbedded with impure carbonates that consist of foraminifera and calcareous nannofossils. The upper member, the Whiterock Bluff Shale, is composed of highly biogenous (siliceous and carbonate) sediments. The biomarker composition of the Saltos Shale is dependent on the relative contributions of planktonic and benthonic organisms, bacteria, and terrigenous organic matter transported from the nearby landmass. A general trend in biomarker distribution is observed in relation to paleogeography (i.e. proximity to shoreline). Pristane/phytane ratios, hopane/sterane ratios, oleanane/hopane ratios, and diasterane/sterane ratios are higher near the shoreline (to the east) because of increased terrigenous input. The more distal western basin sediments contain biomarkers that were predominately derived from marine phytoplankton and bacteria. Submarine fan sediments in the Saltos Shale were deposited in the eastern basin east of the penecontemporaneous Cox fault. Ponding of terrigenous organic matter at the base of slope is reflected by high ratios of pristane/phytane (2.7), oleanane/hopane (0.79), C{sub 29}/C{sub 27} {alpha}{alpha}{alpha}2OR steranes (1.56), and relatively large amounts of waxy n-alkanes (C{sub 27}, C{sub 29}, C{sub 31}). In contrast, the prefan and postfan sediments contain lower concentrations of these terrigenous biomarkers.

  19. Godiva Rim Member: A new stratigraphic unit of the Green River Formation in southwest Wyoming and northwest Colorado. Geology of the Eocene Wasatch, Green River, and Bridger (Washakie) Formations, Greater Green River Basin, Wyoming, Utah, and Colorado. Professional paper

    SciTech Connect

    Roehler, H.W.

    1991-01-01

    The report names and describes the Godiva Rim Member of the Green River Formation in the eastern part of the Washakie basin in southwest Wyoming and the central part of the Sand Wash basin in northwest Colorado. The Godiva Rim Member comprises lithofacies of mixed mudflat and lacustrine origin situated between the overlying lacustrine Laney Member of the Green River Formation and the underlying fluvial Cathedral Bluffs Tongue of the Wasatch Formation. The Godiva Rim Member is laterally equivalent to and grades westward into the LaClede Bed of the Laney Member. The Godiva Rim Member of the Green River Formation was deposited along the southeast margins of Lake Gosiute and is correlated to similar lithologic units that were deposited along the northeast margins of Lake Uinta in the Parachute Creek Member of the Green River Formation. The stratigraphic data presented provide significant evidence that the two lakes were periodically connected around the east end of the Uinta Mountains during the middle Eocene.

  20. Regional distribution and chronostratigraphy of the Qusaiba member of the Qalibah formation in the Nafud Basin, Northwestern Saudia Arabia

    SciTech Connect

    Aoudeh, S.M.; Al-Hajri, S.A.

    1995-08-01

    The Qusaiba Member of the Qalibah Formation (Silurian age) is a thick sequence consisting of massive dark gray shales. Only the very basal shales are black and highly organic rich. The basal {open_quote}Hot Shale{close_quote} unit is a prolific source correlated to all the Paleozoic discoveries in Central and Eastern Saudi Arabia. In the Nafud Basin, Northwest Saudi Arabia, this same sequence acts as both source and seal to the underlying Ordovician reservoir, making the understanding of this sequence essential to the current exploration program underway in the region. Acquiring high resolution blostratigraphy and detailed source rock analysis substantially contributed to the better understanding of the regional depositional setting of the seal, source, and the reservoirs in the area. Graptolites and chitinozoans zonation were utilized to fine-tune the chronostratigraphy and to further subdivide this huge basin into more manageable subbasins. Regional chronostratigraphic analysis has indicated that the early Qusaiba transgression took place swiftly and covered all of the Arabian plate during early Rhuddanian time. Only high areas not covered by the Rhuddanian transgression and areas that experienced later uplift and erosion lack the Rhuddanian deposits.

  1. Variations in fluvial style in Westwater Canyon member, Morrison Formation (Jurassic), southern San Juan basin, Colorado plateau

    SciTech Connect

    Miall, A.D.; Turner-Peterson, C.E.

    1988-02-01

    The large-scale architecture of fluvial strata within the Westwater Canyon Member of the Morrison Formation consists mainly of a series of tabular sheets of sandstone 5-15 m thick and hundreds of meters wide separated by thin fine-grained units. These sandstone sheets are commonly flat bedded; however, lateral accretion surfaces and channels 10-20 m deep and up to at least 250 m wide are also present. Where studied in detail, the sheets comprise a complex of elements and bounding surfaces unlike any previously described from ancient fluvial deposits. Lateral accretion deposits, typical indicators of moderate to high-sinuosity channels, coexist in the same outcrop with downstream-accreted foreset macroform deposits now thought to be typical of the sand flats of low-sinuosity, multiple-channel rivers. Broad deep channels with gently to steeply dipping margins have been mapped by carefully tracing major bounding surfaces in several of the outcrops. Fining-upward sequences are rare in the project area, contrary to earlier descriptions. Analogies with the depositional architecture of the large Indian rivers, such as the Ganga and Brahmaputra, still seem reasonable, although convincing evidence now exists for aridity and for major stage fluctuations, which differs from those modern rivers and previous interpretations.

  2. Trace element distribution and oil yield data from the Parachute Creek Member of the Green River Formation, Colorado

    SciTech Connect

    Sullivan, P.J.; Donovan, R.C.

    1985-08-01

    The determination of trace element concentrations in oil shale before mining and retorting is required for proper solid waste management planning. Using routine Fischer assay oil yield data collected during resource characterization as indicators of potential trace element concentrations could lead to a standard method of identifying strata containing high trace element levels. In order to determine a correlation between trace elemental concentrations and oil yield, shale samples were selected from four statigraphic zones of the Parachute Creek Member of the Green River Formation for analysis. All samples were analyzed for total elemental concentrations, mineralogy, and Fischer assay oil yield. The results of these analyses demonstrated that the Mahogany zone shales contain significantly greater trace element concentrations (antimony, arsenic, cadium, chromium, copper, lead, lithium, mercury, molybdenum, nickel, selenium, silver, and vanadium) than the other three shale zones. These high trace element concentrations have been identified within well-defined interbedded tuff deposits in the Mahogany zone. In addition, all trace elements evaluated, except boron, show either increasing or decreasing concentrations as oil yield increases within all oil shale zones. With an increased number of analyses of existing oil shale cores, oil yield data will be correlated to specific stratigraphic units containing high trace element concentrations. 33 refs., 4 figs., 5 tabs.

  3. Trace element distribution and oil yield data from the Parachute Creek member of the Green River Formation, Colorado

    SciTech Connect

    Sullivan, P.J.; Donovan, R.C. )

    1987-01-01

    The determination of trace element concentrations in oil shale before mining and retorting is required for proper solid-waste management planning. Using routine Fischer assay oil yield data collected during resource characterization as indicators of potential trace element concentrations could lead to a standard method of identifying strata containing high trace element levels. In order to determine a correlation between trace element concentrations and oil yield, shale samples were selected from four stratigraphic zones of the Parachute Creek Member of the Green River Formation for analysis. All samples were analyzed for total elemental concentrations, mineralogy, and Fischer assay oil yield. The results of these analyses demonstrated that the Mahogany zone shales contain significantly greater trace element concentrations (antimony, arsenic, cadmium, chromium, copper, lead, lithium, mercury, molybdenum, nickel, selenium, silver, and vanadium) than the other three shale zones. These high trace element concentrations have been identified within well-defined interbedded tuff deposits in the Mahogany zone. In addition, all trace elements evaluated, except boron, show either increasing or decreasing concentrations as oil yield increases within all oil shale zones. With an increased number of analyses of existing oil shale cores, oil yield data will be correlated to specific stratigraphic units containing high trace element concentrations.

  4. Molecular Genetic Analysis of Drosophila Ash2, a Member of the Trithorax Group Required for Imaginal Disc Pattern Formation

    PubMed Central

    Adamson, A. L.; Shearn, A.

    1996-01-01

    The ash2 gene is a member of the trithorax group of genes whose products function to maintain active transcription of homeotic selector genes. Mutations in ash2 cause the homeotic transformations expected for a gene in this group but, in addition, cause a variety of pattern formation defects that are not necessarily expected. The ash2 gene is located in cytogenetic region 96A17-19 flanked by slowpoke and tolloid and is included in a cosmid that contains part of slowpoke. The ash2 transcript is 2.0 kb and is present throughout development. The ASH2 protein predicted from the nucleotide sequence of the open reading frame has a putative double zinc-finger domain, called a PHD finger, that is present not only in the products of other trithorax group genes such as TRX and ASH1, but also in the product of a Polycomb group gene, PCL. Polyclonal antibodies directed against ASH2 detect the protein in imaginal discs and in the nuclei of salivary gland and fat body cells. On immunoblots these affinity-purified antibodies detect a 70-kDa protein in larvae and a 53-kDa protein in pupae. PMID:8889525

  5. Mei-1, a Gene Required for Meiotic Spindle Formation in Caenorhabditis Elegans, Is a Member of a Family of ATPases

    PubMed Central

    Clark-Maguire, S.; Mains, P. E.

    1994-01-01

    Meiotic spindle formation in the female germline of Caenorhabditis elegans requires expression of the gene mei-1. We have cloned mei-1 by transformation rescue and found that it resides near a hot spot for recombination, in an area of high gene density. The highest levels of mei-1 mRNA accumulate in the female germline of adult hermaphrodites as well as in fertilized embryos. The message persists for several hours after the protein functions in embryos, implying the need for post-transcriptional regulation. Two alternatively spliced messages are made that would result in proteins that differ internally by three amino acids; the larger of the two mRNAs is preferentially enriched in the female germline. The sequence of mei-1 shows that it is a member of a newly described family of ATPases that share a highly conserved nucleotide-binding site; four dominant-negative mutations of mei-1 are found at or near this region. Divergent roles ascribed to this family include membrane function, proteolysis, transcription and cell cycle regulation. PMID:8150281

  6. Variations in fluvial style in the Westwater Canyon Member, Morrison formation (Jurassic), San Juan basin, Colorado plateau

    USGS Publications Warehouse

    Miall, A.D.; Turner-Peterson, C. E.

    1989-01-01

    Techniques of architectural element analysis and lateral profiling have been applied to the fluvial Westwater Canyon Member of the Morrison Formation (Jurassic) in southern San Juan Basin. On a large scale, the sandstone-body architecture consists mainly of a series of tabular sandstone sheets 5-15 m thick and hundreds of meters wide, separated by thin fine-grained units. Internally these sheets contain lateral accretion surfaces and are cut by channels 10-20 m deep and at least 250 m wide. On a more detailed scale, interpretations made from large-scale photomosaics show a complex of architectural elements and bounding surfaces. Typical indicators of moderate- to high-sinuosity channels (lateral accretion deposits) coexist in the same outcrop with downstream-accreted macroform deposits that are typical of sand flats of low-sinuosity, multiple-channel rivers. Broad, deep channels with gently to steeply dipping margins were mapped in several of the outcrops by carefully tracing major bounding surfaces. Locally thick accumulations of plane-laminated and low-angle cross-laminated sandstone lithofacies suggest rapid flow, probably transitional to upper flow regime conditions. Such a depositional style is most typical of ephemeral rivers or those periodically undergoing major seasonal (or more erratic) stage fluctuations, an interpretation consistent with independent mineralogical evidence of aridity. Fining-upward sequences are rare in the project area, contrary to the descriptions of Campbell (1976). The humid alluvial fan model of Galloway (1978) cannot be substantiated and, similarly, the architectural model of Campbell (1976) requires major revision. Comparisons with the depositional architecture of the large Indian rivers, such as the Ganges and Brahmaputra, still seem reasonable, as originally proposed by Campbell (1976), although there is now convincing evidence for aridity and for major stage fluctuations, which differs both from those modern rivers and Campbell

  7. The depositional environment and petrology of the White Rim Sandstone Member of the Permian Cutler Formation, Canyonlands National Park, Utah

    USGS Publications Warehouse

    Steele-Mallory, B. A.

    1982-01-01

    The White Rim Sandstone Member of the Cutler Formation of Permian age in Canyonlands National Park, Utah, was deposited in coastal eolian and associated interdune environments. This conclusion is based on stratigraphic relationships primary sedimentary structures, and petrologic features. The White Rim consists of two major genetic units. The first represents a coastal dune field and the second represents related interdune ponds. Distinctive sedimentary structures of the coastal dune unit include large- to medium-scale, unidirectional, tabular-planar cross-bedding; high-index ripples oriented parallel to dip direction of the foresets; coarse-grained lag layers; avalanche or slump marks; and raindrop impressions. Cross-bedding measurements suggest the dunes were deposited as transverse ridges by a dominantly northwest to southeast wind. Distinctive sedimentary structures of the interdune pond unit include wavy, horizontally laminated bedding, adhesion ripples, and desiccation polygons. These features may have been produced by alternate wetting and drying of sediment during water-table fluctuations. Evidence of bioturbation is also present in this unit. Petrologic characteristics of the White Rim helped to define the depositional environment as coastal. A crinoid fragment was identified at one location; both units are enriched in heavy minerals, and small amounts of well rounded, reworked glauconite were found in the White Rim throughout the study area. Earlier work indicates that the White Rim sandstone is late Wolfcampian to early Leonardian in age. During this time, the Canyonlands area was located in a depositional area alternately dominated by marine and nonmarine environments. Results of this study suggest the White Rim represents a coastal dune field that was deposited by predominantly on-shore winds during a period of marine transgression.

  8. Assessment of undiscovered oil and gas resources in the Uteland Butte Member of the Eocene Green River Formation, Uinta Basin, Utah

    USGS Publications Warehouse

    Johnson, Ronald C.; Birdwell, Justin E.; Mercier, Tracey J.; Brownfield, Michael E.; Charpentier, Ronald R.; Klett, Timothy R.; Leathers, Heidi M.; Schenk, Christopher J.; Tennyson, Marilyn E.

    2015-09-03

    Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered resources of 214 million barrels of oil, 329 billion cubic feet of associated/dissolved natural gas, and 14 million barrels of natural gas liquids in the informal Uteland Butte member of the Green River Formation, Uinta Basin, Utah.

  9. Isotopic age of the Black Forest Bed, Petrified Forest Member, Chinle Formation, Arizona: An example of dating a continental sandstone

    USGS Publications Warehouse

    Riggs, N.R.; Ash, S.R.; Barth, A.P.; Gehrels, G.E.; Wooden, J.L.

    2003-01-01

    Zircons from the Black Forest Bed, Petrified Forest Member, Chinle Formation, in Petrified Forest National Park, yield ages that range from Late Triassic to Late Archean. Grains were analyzed by multigrain TIMS (thermal-ionization mass spectrometry), single-crystal TIMS, and SHRIMP (sensitive, high-resolution ion-microprobe). Multiple-grain analysis yielded a discordia trajectory with a lower intercept of 207 ?? 2 Ma, which because of the nature of multiple-grain sampling of a detrital bed, is not considered conclusive. Analysis of 29 detrital-zircon grains by TIMS yielded U-PB ages of 2706 ?? 6 Ma to 206 ?? 6 Ma. Eleven of these ages lie between 211 and 216 ?? 6.8 Ma. Our statistical analysis of these grains indicates that the mean of the ages, 213 ?? 1.7 Ma, reflects more analytical error than geologic variability in sources of the grains. Grains with ages of ca. 1400 Ma were derived from the widespread plutons of that age exposed throughout the southwestern Cordillera and central United States. Twelve grains analyzed by SHRIMP provide 206Pb*/238U ages from 214 ?? 2 Ma to 200 ?? 4 Ma. We use these data to infer that cores of inherited material were present in many zircons and that single-crystal analysis provides an accurate estimation of the age of the bed. We further propose that, even if some degree of reworking has occurred, the very strong concentration of ages at ca. 213 Ma provides a maximum age for the Black Forest Bed of 213 ?? 1.7 Ma. The actual age of the bed may be closer to 209 Ma. Dating continental successions is very difficult when distinct ash beds are not clearly identified, as is the case in the Chinle Formation. Detrital zircons in the Black Forest Bed, however, are dominated by an acicular morphology with preserved delicate terminations. The shape of these crystals and their inferred environment of deposition in slow-water settings suggest that the crystals were not far removed from their site of deposition in space and likely not far in time

  10. The P-T conditions of garnet inclusion formation in diamond: thermal expansion of synthetic end-member pyrope

    NASA Astrophysics Data System (ADS)

    Milani, Sula; Mazzucchelli, Matteo; Nestola, Fabrizio; Alvaro, Matteo; Angel, Ross J.; Geiger, Charles A.; Domeneghetti, Chiara

    2013-04-01

    Pyrope, Mg3Al2Si3O12, due to the abundance of garnet in Earths's upper mantle, has been studied many times. A number of different investigations have measured its physical and thermodynamic properties at high temperature or pressure and, even more recently, under simultaneous high P-T conditions (e.g. Zou et al., 2012). This abstract reports thermal expansion results on pyrope, as part of a much wider project on the determination of the physical properties of garnet, in order to obtain geobarometric information on the formation conditions of its inclusion in diamond. Our experimental approach is based on the elastic method (e.g. Izraeli et al., 1999; Howell et al., 2010; Nestola et al., 2011; Howell et al., 2012), which takes into account the thermoelastic properties of both diamond and any tiny solid phase inclusion within it. The method requires accurate and precise knowledge of thermal expansion and compressibility behavior in order to calculate precisely the pressure and temperature formation conditions of the diamond-inclusion pair. Thus, in order to do this, we measured the thermal expansion of an end-member synthetic single crystal of pyrope up to 1100 K at 52 different temperatures. This was done by measuring the ao unit-cell edge with high precision and accuracy under heating and cooling conditions. This allows excellent experimental reproducibility, which is also checked by monitoring any diffraction peak broadening over the entire range of temperatures. Fitting the temperature-volume data to the thermal expansion equation of Berman (1988), we obtained a room temperature volume-thermal expansion coefficient equal to 2.72(2)×10-5K-1. Using the same pyrope crystal, in situ high-pressure measurements are now in progress in order to determine its isothermal bulk modulus. The use of our results, along with the dK/dT data of Zou et al ( 2012), we plan to calculate the pressure of formation of diamonds containing pyrope-rich garnet inclusions. References Berman

  11. Unexpected Scholl Reaction of 6,7,13,14-Tetraarylbenzo[k]tetraphene: Selective Formation of Five-Membered Rings in Polycyclic Aromatic Hydrocarbons.

    PubMed

    Liu, Junzhi; Narita, Akimitsu; Osella, Silvio; Zhang, Wen; Schollmeyer, Dieter; Beljonne, David; Feng, Xinliang; Müllen, Klaus

    2016-03-01

    Cyclodehydrogenation is a versatile reaction that has enabled the syntheses of numerous polycyclic aromatic hydrocarbons (PAHs). We now describe a unique Scholl reaction of 6,7,13,14-tetraarylbenzo[k]tetraphene, which "unexpectedly" forms five-membered rings accompanying highly selective 1,2-shift of aryl groups. The geometric and optoelectronic nature of the resulting bistetracene analogue with five-membered rings is comprehensively investigated by single-crystal X-ray, NMR, UV-vis absorption, and cyclic voltammetry analyses. Furthermore, a possible mechanism is proposed to account for the selective five-membered-ring formation with the rearrangement of the aryl groups, which can be rationalized by density functional theory (DFT) calculations. The theoretical results suggest that the formation of the bistetracene analogue with five-membered rings is kinetically controlled while an "expected" product with six-membered rings is thermodynamically more favored. These experimental and theoretical results provide further insights into the still controversial mechanism of the Scholl reaction as well as open up an unprecedented entry to extend the variety of PAHs by programing otherwise unpredictable rearrangements during the Scholl reaction. PMID:26859522

  12. Petrographic Descriptions of Selected Rock Specimens From the Meade Peak Phosphatic Shale Member, Phosphoria Formation (Permian), Southeastern Idaho

    USGS Publications Warehouse

    Johnson, Edward A.; Grauch, Richard I.; Herring, James R.

    2007-01-01

    Based on petrographic observations of 135 thin sections, rocks in the Meade Peak Phosphatic Shale Member of the Permian Phosphoria Formation in southeastern Idaho can be placed into one of four major lithofacies: organic claystone, muddy siltstone, peloidal phosphorite, and dolomitized calclithite-in order of decreasing abundance. Organic claystones are the most common lithofacies in the Meade Peak. Many of these rocks contain sufficient amounts of silt to make silty, organic claystones a common subtype. Organic claystones commonly contain crystals of muscovite and bioclasts as accessory components, and they are typically parallel laminated. Muddy siltstones are composed primarily of quartz silt, but some feldspar and rare carbonate silt are also present; some rocks are parallel laminated. Phosphate peloids are composed of varying amounts of opaque, complex, and translucent material, and observed internal structures are classified as simple, banded, cored, zoned, oolitic, nucleated, and polynucleated. Opaque, complex, and translucent peloids form the framework grains of three peloidal phosphorite rocks: wackestone phosphorite, packstone phosphorite, and grainstone phosphorite. Wackestone phosphorite is phosphatic-mud supported and contains more than 10 percent peloids; it is the most common type of phosphorite. Packstone phosphorite is peloid supported and contains interstitial phosphatic mud; it is also a common type. Grainstone phosphorite is peloid supported but lacks phosphatic mud; it is the least common type. Dolomitized calclithites contain three types of carbonate grains: macrocrystalline, microcrystalline, and crystalline with a microcrystalline nuclei-in order of decreasing abundance. Based on chemical staining and X-ray diffraction analyses, most of the carbonate is dolomite. Sufficient amounts of quartz silt or muddy material allow some rocks to be called silty dolomitized calclithite or muddy dolomitized calclithite, respectively. Sedimentary

  13. Petrology and diagenetic history of the upper shale member of the Late Devonian–Early Mississippian Bakken Formation, Williston Basin, North Dakota

    USGS Publications Warehouse

    Neil S. Fishman,; Sven O. Egenhoff,; Boehlke, Adam; Lowers, Heather

    2015-01-01

    The organic-rich upper shale member of the upper Devonian–lower Mississippian Bakken Formation (Williston Basin, North Dakota, USA) has undergone significant diagenetic alteration, irrespective of catagenesis related to hydrocarbon generation. Alteration includes precipitation of numerous cements, replacement of both detrital and authigenic minerals, multiple episodes of fracturing, and compaction. Quartz authigenesis occurred throughout much of the member, and is represented by multiple generations of microcrystalline quartz. Chalcedonic quartz fills radiolarian microfossils and is present in the matrix. Sulfide minerals include pyrite and sphalerite. Carbonate diagenesis is volumetrically minor and includes thin dolomite overgrowths and calcite cement. At least two generations of fractures are observed. Based on the authigenic minerals and their relative timing of formation, the evolution of pore waters can be postulated. Dolomite and calcite resulted from early postdepositional aerobic oxidation of some of the abundant organic material in the formation. Following aerobic oxidation, conditions became anoxic and sulfide minerals precipitated. Transformation of the originally opaline tests of radiolaria resulted in precipitation of quartz, and quartz authigenesis is most common in more distal parts of the depositional basin where radiolaria were abundant. Because quartz authigenesis is related to the distribution of radiolaria, there is a link between diagenesis and depositional environment. Furthermore, much of the diagenesis in the upper shale member preceded hydrocarbon generation, so early postdepositional processes were responsible for occlusion of significant original porosity in the member. Thus, diagenetic mineral precipitation was at least partly responsible for the limited ability of these mudstones to provide porosity for storage of hydrocarbons.

  14. Evaporite cycles and cycle boundaries in the upper part of the Paradox Member, Hermosa Formation of Pennsylvanian age in the Paradox basin, Utah and Colorado

    SciTech Connect

    Raup, O.B.; Hite, R.J. )

    1991-03-01

    The evaporites of the Paradox Member of the Hermosa Formation of Pennsylvanian age in southeastern Utah and southwestern Colorado are direct precipitates from marine brines and have been changed only slightly by subsequent events. Geophysical logs of deep wells indicate that the Paradox Member is composed of at least 30 evaporite cycles. Lithologies that make up the cycles, in order of increasing salinity, are organic carbon-rich carbonate shale (black shale), dolomite, anhydrite, and halite (with or without potash). Studies of core from two wells in the central part of the basin show that some of the cycles in the upper part of the Paradox Member are remarkably symmetrical, indicating regular changes in salinity. Detailed petrologic studies have revealed newly recognized lithologic textures and cycle boundaries in 11 evaporite cycles, indicating very regular cyclicity of subaqueous sedimentation in a basin in which salinity was probably controlled by Gondwana glaciation.

  15. The star formation history and accretion-disc fraction among the K-type members of the Scorpius-Centaurus OB association

    NASA Astrophysics Data System (ADS)

    Pecaut, Mark J.; Mamajek, Eric E.

    2016-09-01

    We present results of a spectroscopic survey for new K- and M-type members of Scorpius-Centaurus (Sco-Cen), the nearest OB Association (˜100-200 pc). Using an X-ray, proper motion and colour-magnitude selected sample, we obtained spectra for 361 stars, for which we report spectral classifications and Li and Hα equivalent widths. We identified 156 new members of Sco-Cen, and recovered 51 previously published members. We have combined these with previously known members to form a sample of 493 solar-mass (˜0.7-1.3 M⊙) members of Sco-Cen. We investigated the star formation history of this sample, and re-assessed the ages of the massive main-sequence turn-off and the G-type members in all three subgroups. We performed a census for circumstellar discs in our sample using WISE infrared data and find a protoplanetary disc fraction for K-type stars of 4.4^{+1.6}_{-0.9} per cent for Upper Centaurus-Lupus and Lower Centaurus-Crux at ˜16 Myr and 9.0^{+4.0}_{-2.2} per cent for Upper Scorpius at ˜10 Myr. These data are consistent with a protoplanetary disc e-folding time-scale of ˜4-5 Myr for ˜1 M⊙ stars, twice that previously quoted, but consistent with the Bell et al. revised age scale of young clusters. Finally, we construct an age map of Scorpius-Centaurus which clearly reveals substructure consisting of concentrations of younger and older stars. We find evidence for strong age gradients within all three subgroups. None of the subgroups are consistent with being simple, coeval populations which formed in single bursts, but likely represents a multitude of smaller star formation episodes of hundreds to tens of stars each.

  16. Variations in organic facies and sedimentary environments of the La Luna Formation and Machiques Member in the Perija Mountain Range, Venezuela

    SciTech Connect

    Escandon, M.; Vallejos, C. ); Pratt, L. ); Gambino, F.Y. )

    1993-02-01

    In a detailed geochemical study of core samples from four oil wells and outcrop samples from four sections, the vertical and areal variations of organic facies within the main source rocks in the western part of the Maracaibo Basin have been performed. In addition, oils and oil seeps of the basin have been geochemically correlated to each one of these facies. Based on geochemical and micropaleontological data, two organic facies related to variations in sedimentary environment are recognized in the La Luna Formation (Cenomanian-Santonian). The sulphur richer organic facies includes the Cenomanian intermiddle shales and the shales from the Cenomanian-Turonian boundary, both characterized by higher values of total organic carbon, bitumen, hydrogen index and benzotiophenes content. This facies probably is an earlier generation source rock than the rest of the La Luna Formation and its correlation with crude-oils indicates that most of the crudes display a distribution of hopane and sulphur aromatic compounds typical of these more anoxic facies. Within the Machiques Member of the Apon Formation (Aptian), two organic/lithological facies have been identified. These are transgressive basal shales and the overlying regressive mudstones with an upward decrease in hydrocarbon potential, anoxia and paleobathymetry. This member presents no benzotiophenes and differences in the relationships between terpanes and aromatic hydrocarbons which allow us distinguish it from La Luna Formation extracts. This is a powerful technique to recognize the genesis of crude oils derived from a particular marine source rock interval in the Maracaibo Basin.

  17. Chloride content of water from wells screened in the Lloyd sand member of the Raritan formation on Long Island, New York

    USGS Publications Warehouse

    Roberts, C.M.

    1950-01-01

    Since 1932 the United States Geological Survey, in cooperation with the New York Power and Control Commission, the Nassau County Department of Public Works, the Suffolk County Board of Supervisors, and later also the Suffolk County Water Authority, has been making general and specific studies dealing with the occurrence, movement, quantity, quality, and temperature of ground water found in several water-bearing formations on Long Island. In the first years most of the emphasis was placed on studying the shallow water-table beds, although geologic and hydrologic information was obtained for the Lloyd sand member of the Raritan formation, the deepest water-bearing beds on Long Island, as well as for other shallower artesian formations.

  18. Piezometric levels from 1948 through 1950 for wells screened in the Lloyd sand member of the Raritan formation on Long Island, New York

    USGS Publications Warehouse

    Lusczynski, Norbert J.

    1950-01-01

    Since 1932, the United States Geological Survey, in cooperation with the New York Water Power and Control Commission, the Nassau County Department of Public Works, the Suffolk County Board of Supervisors, and later also with the Suffolk County Water Authority, has been making both general and detailed studied dealing with the occurrence, movement, quantity, quality, and temperature of ground water found in the several water-bearing formations on Long Island. In the first years most of the emphasis was placed on studying the shallow water-table beds of Pleistocene age, although geologic and hydrologic information was obtained for the Lloyd sand member of the Raritan formation of upper Cretaceous age, the deepest water-bearing beds on Long Island, as well as for other artesian formations above the Lloyd.

  19. High-resolution sequence-stratigraphic correlation between shallow-marine and terrestrial strata: Examples from the Sunnyside Member of the Cretaceous Blackhawk Formation Book Cliffs eastern Utah

    SciTech Connect

    Davies, R.; Howell, J.; Boyd, R.; Flint, S.; Diessel, C.

    2006-07-15

    The Sunnyside Member of the Upper Cretaceous Blackhawk Formation in the Book Cliffs of eastern Utah provides an ideal opportunity to investigate high-resolution sequence-stratigraphic correlation between shallow-marine and terrestrial strata in an area of outstanding outcrop exposure. The thick, laterally extensive coal seam that caps the Sunnyside Member is critical for correlating between its shallow-marine and terrestrial components. Petrographic analysis of 281 samples obtained from 7 vertical sections spanning more than 30 km (18 mi) of depositional dip enabled us to recognize a series of transgressive-regressive coal facies trends in the seam. On this basis, we were able to identify a high-resolution record of accommodation change throughout the deposition of the coal, as well as a series of key sequence-stratigraphic surfaces. The stratigraphic relationships between the coal and the siliciclastic components of the Sunnyside Member enable us to correlate this record with that identified in the time-equivalent shallow-marine strata and to demonstrate that the coal spans the formation of two marine parasequences and two high-frequency, fourth-order sequence boundaries. This study has important implications for improving the understanding of sequence-stratigraphic expression in terrestrial strata and for correlating between marine and terrestrial records of base-level change. It may also have implications for improving the predictability of vertical and lateral variations in coal composition for mining and coalbed methane projects.

  20. Petrology, sedimentology and stratigraphic implications of Black Dragon Member of the Triassic Moenkopi Formation, San Rafael Swell, Utah

    SciTech Connect

    Chan, M.A. ); Ochs, S.

    1990-01-01

    Deposition was partly controlled by paleotopographic relief of underlying Permian strata. Triassic Black Dragon sediments filled lowlands on an erosion surface (unconformity) cut into the Permian White Rim Sandstone and Kaibab Limestone. The Black Dragon Member consists of four distinct facies containing a wide variety of sedimentary structures that characterize both fluvial and tidal environments. The facies are: (1) a Chert Pebble Conglomerate (CPC) facies, characterized by calcite-cemented channel-fills of nodular and banded chert pebbles; (2) an Interbedded Sandstone, Siltstone, and Shale (SSS) facies, containing oscillation ripples and flaser bedding; (3) a large-scale Trough Cross-Stratified Sandstone (TXS) facies, consisting of 6.6-13.1 ft (2-4 m) thick sets of fine- to medium-grained sandstone; and (4) an Oolitic and Algal Limestone (OAL) facies, with cross-stratified oolitic beds, fenestral fabric, and laminated algal rip-up clasts. The CPC facies and the TXS facies were deposited by braided streams when the shoreline lay west of the San Rafael Swell. Rivers drained off and eroded localized Permian highlands, located most likely within a 62 mi (100 km) distance to the south and southeast of the study area. The SSS facies which constitutes the bulk of the Black Dragon Member, and the OAL facies are inter- and supratidal deposits formed during relative sea level highstands, when the shoreline lay within or east of the San Rafael Swell. A decrease in continent-derived sand supply and a corresponding increase in carbonate production within the OAL facies characterizes the end of Black Dragon deposition and the gradation into the overlying Sinbad Limestone Member.

  1. In-place oil shale resources in the saline-mineral and saline-leached intervals, Parachute Creek Member of the Green River Formation, Piceance Basin, Colorado

    USGS Publications Warehouse

    Birdwell, Justin E.; Mercier, Tracey J.; Johnson, Ronald C.; Brownfield, Michael E.; Dietrich, John D.

    2014-01-01

    A recent U.S. Geological Survey analysis of the Green River Formation of the Piceance Basin in western Colorado shows that about 920 and 352 billion barrels of oil are potentially recoverable from oil shale resources using oil-yield cutoffs of 15 and 25 gallons per ton (GPT), respectively. This represents most of the high-grade oil shale in the United States. Much of this rich oil shale is found in the dolomitic Parachute Creek Member of the Green River Formation and is associated with the saline minerals nahcolite and halite, or in the interval where these minerals have been leached by groundwater. The remaining high-grade resource is located primarily in the underlying illitic Garden Gulch Member of the Green River Formation. Of the 352 billion barrels of potentially recoverable oil resources in high-grade (≥25 GPT) oil shale, the relative proportions present in the illitic interval, non-saline R-2 zone, saline-mineral interval, leached interval (excluding leached Mahogany zone), and Mahogany zone were 3.1, 4.5, 36.6, 23.9, and 29.9 percent of the total, respectively. Only 2 percent of high-grade oil shale is present in marginal areas where saline minerals were never deposited.

  2. The stratigraphy of the limeport member of the Allentown Formation: An Upper Cambrian carbonate within the Kittatinny supergroup

    SciTech Connect

    Sohl, L.E. . Dept. of Geology and Geography)

    1993-03-01

    The Limeport Member occurs as thin to thickly bedded cycles of peritidal dolomite. A complete cycle includes a shallow subtidal dolarenite overlain by domal algal stromatolites, along with graded sequences of pisoids, oncoids, and oolitic facies. The upper portions of the cycle include fine grained beds of micritic, algal laminated dolomite, whose upper surfaces bear rip up clasts and edgewise conglomerates. The top of a complete sequence is capped by a dark gray, shaly, rubbly dolomite that gives way to a thinly bedded, black calcareous shale. Petrographic thin sections of the shaly units reveal silt-size angular quartz fragments, which may have an aeolian origin. More than 40 unconformity-bounded sequences have been measured along outcrops within the Hamburg Quadrangle in Sussex County, New Jersey. Chert occurs in distinct oolitic facies and also as a selective replacement of algal stromatolites and occasionally along stylolite surfaces associated with sulfides. Three silicification events are illustrated in the chert-rich facies. Thin section analysis of oncoid-rich facies has yielded evidence for silicification early in the diagenesis of the dolomite in the form of preservation of chert-replaced, early diagenetic epitaxial cements. Scanning electron microscopy (SEM) also reveals chert-replaced algal filament within oncolites. The selective replacement of algal stromatolites by chert may represent the second silicification event. Chert occurring along pressure solution surfaces is free of detrital clays and represents a later silicification event associated with the development of stylolites. Geological mapping within the Limeport Member has revealed the presence of several large prehistoric chert quarries, whose prospect pits are developed within the oolitic facies.

  3. Paleontology and sedimentology of upper clastic member of Wanakah Formation, Chama basin, New Mexico: Lacustrine paleoenvironmental implications

    SciTech Connect

    Good, S.J.; Ridgley, J.L. )

    1989-09-01

    Lacustrine strata of the upper part of the Jurassic Wanakah Formation were restricted to the Chama basin of north-central New Mexico by mid-Jurassic tectonic activity in the Brazos and Nacimiento uplifts and along the Gallina-Archuleta anticlinorium. Lateral and vertical facies of the upper Wanakah exposed around the southern margin of the Chama basin indicate that the deeper part of the lake was north of the outcrop belt. The upper 3-5 m of the Wanakah consists of thin-bedded rippled sandstone, interbedded mudstone, and limestone containing trace fossils and freshwater mollusks characteristic of marginal lacustrine facies. Taphonomic studies of mollusks in the Wanakah Formation have been combined with application of ecophenotypic variation documented in extant unionid bivalves to produce paleoenvironmental interpretations of these lacustrine rocks.

  4. Measured sections and discussion of the main turbidite member, Middle Pennsylvanian Minturn Formation, northern Sangre de Cristo Range, Custer and Saguache counties, Colorado

    USGS Publications Warehouse

    Soulliere, S.J.; DeAngelis, B.L.; Lindsey, D.A.

    1984-01-01

    The main turbidite member is the thickest and most extensive of the intervals of prodelta turbidites in the Minturn Formation. Each turbidite interval is part of a coarsening upward sequence interpreted as a prograding fan delta. A typical prograding cycle consists of prodelta marine shale and siltstone, prodelta turbidite sandstones, delta-front sandstone and conglomerate, and deltaic and alluvial-plain sandstone, siltstone, and shale. Fossils of 1and plants (mostly Calamites, including some in growth position) are locally abundant in deltaic and alluvial sediments of the prograding cycles. The turbidites are regarded as having been deposited offshore from alluvial systems.

  5. Sorption coefficients for radionuclides on samples from the water-bearing Magenta and Culebra members of the Rustler Formation

    SciTech Connect

    Lynch, A. W.; Dosch, R. G.

    1980-11-01

    The sorbing characteristics of samples from the Magenta and Culebra dolomites of the Rustler Formation (which overlie the proposed site for the Waste Isolation Pilot Plant (WIPP) in southeastern New Mexico) for various radionuclides have been studied. Core samples extracted from various depths and boreholes within a given formation were selected to provide a cross section of materials which are present in the formations. They varied in composition from pure dolomite to nearly pure anhydrite. The radionuclides used in the sorption coefficient measurements (isotopes of Cs, Sr, Tc, Eu, Am and Pu) were dissolved in a simulated Culebra groundwater at concentrations of 0.1 ..mu..Ci/m1 or less. The results indicate that the sorption coefficients (Kd's) of these water-bearing units may vary widely depending on the borehole area and over several feet in depth in a common borehole. Cesium Kd values from 0.6 to 218 ml/g and 1.2 to 68 on Magenta and Culebra samples, respectively. Strontium Kd values ranged from 1.1 to 30 on Magenta Samples and from 0.6 to 32 on Culebra samples. Variations of Eu, Pu and Am Kd's were generally less than an order of magnitude on both Culebra and Magenta samples. Technetium was not sorbed by any of the samples. With few exceptions, samples with high dolomite contents had higher sorption coefficients than those with high anhydrite concentrations. Clay content may also be a factor for some radionuclides, particularly Cs, which has been shown to sorb preferentially on clay particles in Magenta.

  6. Union Members Are Community Members

    ERIC Educational Resources Information Center

    Gray, David

    2013-01-01

    Unions serve their members' interests. But union members are also community members, and their interests go well beyond increasing pay and benefits. A local union president has found that his members are best served by participating in a community-wide coalition. Providing eyeglasses to needy students, promoting healthy eating, and increasing…

  7. Hemiacodon engardae, a new species of omomyid primate from the earliest Uintan Turtle Bluff Member of the Bridger Formation, southwestern Wyoming, USA.

    PubMed

    Murphey, Paul C; Dunn, Rachel H

    2009-08-01

    In this paper, we describe a new species of Hemiacodon known only from University of Colorado Museum Loc. 92189 (Donna's Locality) in the Turtle Bluff Member of the Bridger Formation, Green River Basin, southwestern Wyoming. Donna's locality has yielded a diverse mostly small-bodied mammalian assemblage of Bridgerian and first appearance Uintan mammalian taxa, as well as range-through taxa. Together with H. engardae sp. nov., the faunal assemblage from Donna's Locality and more recently discovered localities in the same stratigraphic interval provides the first conclusive paleontological evidence of an earliest Uintan age (Ui1A biochron) for the Turtle Bluff Member of the Bridger Formation. The new species is represented by a sample of 11 specimens consisting of well-preserved upper and lower premolars and lower molars. H. engardae is distinct from H. gracilis on the basis of overall larger size as well as a combination of features of the premolars and molars related to a greater development of shearing crests. This suggests that H. engardae may have incorporated more foliage into its diet than the Bridgerian species, H. gracilis. PMID:19625072

  8. Regional analysis of rhythmic bedding in the Fort Hays limestone member, Niobrara Formation (Upper Cretaceous), US western interior

    SciTech Connect

    Laferriere, A.P.

    1987-01-01

    Results of a regional stratigraphic investigation of the rhythmically bedded Fort Hays limestone member of Kansas, Colorado, and New Mexico indicate at least two levels of cyclicity. Regional development of these cycles strongly supports the hypothesis that they are climatic in origin. Departures from simple cyclical patterns resulted from sedimentary effects of Late Cretaceous orogenic activity, erosional events associated with eustatic sea level changes, diagenetic modification, and possibly from interference between orbital parameters having different periodicities. The vulnerability of Milankovitch-type cyclicity to overprinting by tectono-sedimentologic effects makes units such as the Fort Hays useful as indicators of subtle tectonic activity. Regional thickness changes in groups of shale-limestone couplets were identified, correlated, and mapped in the subsurface using geophysical well log information in order to locate subtle structural elements that influenced Fort Hays sedimentation. In the Denver-Julesburg Basin of Colorado and western Kansas, thinning of the section between Fort Hays marker horizons occurs dominantly along northeastwardly trending belts that resulted apparently from Late Cretaceous reactivation of the Transcontinental Arch. Isotopic and petrographic analyses were conducted on pelagic (carbonate matrix) and benthic (inoceramid bivalve) constituents of selected shale/limestone couplets. These data suggest that there was little difference in temperature or salinity between times of terrigenous detrital input and times of nearly pure carbonate deposition. Isotopic information from matrix samples suggests a westward decrease in salinity of surface water in the Western Interior Sea. Isotopic data from largely unaltered inoceramid bivalves indicate bottom-water conditions of near-normal marine salinity.

  9. BCAR3/AND-34 can signal independent of complex formation with CAS family members or the presence of p130Cas

    PubMed Central

    Borre, Pierre Vanden; Near, Richard I.; Makkinje, Anthony; Mostoslavsky, Gustavo; Lerner, Adam

    2011-01-01

    BCAR3 binds to the carboxy-terminus of p130Cas, a focal adhesion adapter protein. Both BCAR3 and p130Cas have been linked to resistance to anti-estrogens in breast cancer, Rac activation and cell motility. Using R743A BCAR3, a point mutant that has lost the ability to bind p130Cas, we find that BCAR3-p130Cas complex formation is not required for BCAR3-mediated anti-estrogen resistance, Rac activation or discohesion of epithelial breast cancer cells. Complex formation was also not required for BCAR3-induced lamellipodia formation in BALB/c-3T3 fibroblasts but was required for optimal BCAR3-induced motility. Although both wildtype and R743A BCAR3 induced phosphorylation of p130Cas and the related adapter protein HEF1/NEDD9, chimeric NSP3:BCAR3 experiments demonstrate that such phosphorylation does not correlate with BCAR3-induced anti-estrogen resistance or lamellipodia formation. Wildtype but not R743A BCAR3 induced lamellipodia formation and augmented cell motility in p130Cas-/- murine embryonic fibroblasts (MEFs), suggesting that while p130Cas itself is not strictly required for these endpoints, complex formation with other CAS family members is, at least in cells lacking p130Cas. Overall, our work suggests that many, but not all, BCAR3-mediated signaling events in epithelial and mesenchymal cells are independent of p130Cas association. These studies also indicate that disruption of the BCAR3-p130Cas complex is unlikely to reverse BCAR3-mediated anti-estrogen resistance. PMID:21262352

  10. Eruption sequence of the Otowi Member, Bandelier Tuff Formation, Valles Caldera, Jemez Mountains, New Mexico: lessons from the deposits

    NASA Astrophysics Data System (ADS)

    Self, S.; Wolff, J. A.; Cook, G. W.

    2012-12-01

    Models for caldera collapse are outstripping evidence to support or refute them based on detailed field studies. Continuing study of clast lithology is changing previously suggested ideas for the eruptive sequence of the Otowi Member (1.6 Ma) of the Bandelier Tuff. The eruption produced Plinian and co-ignimbrite fall deposits, outflow and intra-caldera ignimbrite (totaling a maximum of ~ 430 km3 DRE), and heralded the first major collapse of Valles caldera (24 km diameter). Previous work supports magma withdrawal from a high-silica-rhyolite chamber with systematic internal variations in incompatible trace element concentrations. More recent study, including determination of lithic-clast provenance, reveals new insights into the eruption sequence: 1) The first phase produced Guaje fall deposit unit A, after which column collapse produced coeval pyroclastic flows and fall deposits (units B-F) in a complex depositional pattern. In places the ignimbrite is intra-Plinian and in other places only fall units accumulated while pyroclastic flows by-passed the area. Pumice composition data suggests that fallout from vent-derived Plinian columns persisted late into the eruption. 2) Lithic provenance and abundance information from the ignimbrite combined with pumice composition data lead us to reject our previous idea of switching from an initial central vent to vents on caldera ring-fractures, at the time of deposition of co-ignimbrite lag-breccias. Observations are better explained by the central vent persisting longer into the eruption, and thus lag-breccia deposition was not proximal to the central vent. 3) 50 km from vent a preserved Otowi sequence includes a thin ignimbrite veneer, showing that at least some of the late-erupted pyroclastic flows were widespread and energetic. 4) Volumetrically, at least 2/3 of the erupted part of the chamber had been expelled before caldera collapse and possible vent-shift took place. These observations need to be included in a model for

  11. The Lacustrine Upper Brushy Basin Member of the Morrison Formation, Four Corners Region, Usa: a Lithological and Mineralogical Terrestrial Analog for Gale Crater, Mars

    NASA Astrophysics Data System (ADS)

    Potter-McIntyre, S. L.; Chan, M. A.; McPherson, B. J.

    2013-12-01

    The upper part of the Jurassic Brushy Basin Member of the Morrison Formation is an iron- and clay-rich volcaniclastic shale deposited in an ephemeral alkaline saline lake system. Sedimentary rocks exposed in Gale Crater consist of similar non-acidic clays, possibly of lacustrine origin. Three primary clastic lithofacies are present in both the Brushy Basin Member and at Gale Crater: silt-/claystone, sandstone, and conglomerate. Both the terrestrial and martian silt-/claystone lithofacies are interpreted as lacustrine depositional environments due to features such as parallel laminated and massive sedimentary structures. Vugs are present in the siltstone/claystone facies on both the Colorado Plateau and at Gale Crater. Fluvial features are also observed in both examples such as cross-bedded sandstones and imbricated conglomerates. Concretions are present in both the Colorado Plateau and Gale Crater units. The vugs in the Brushy Basin Member preserve algal forms with cellular elaboration and are interpreted as charophyte molds. Two distinct suites of elements (1. C, Fe, As, P and, 2. C, S, Se, P) are associated with the microbial fossils and may be potential markers for biosignatures. Vugs at Gale Crater are a potential target to investigate the possibility of preserved microbial (algal) life where early analyses show the presence of the elements capable of supporting life. The Brushy Basin Member is composed predominately of quartz, feldspars, zeolites and altered volcanic ash. The abundant clay minerals in both the terrestrial and martian examples are hypothesized to have formed due to partial alteration of volcanic minerals in alkaline fluid. Similarly, concretions present in the terrestrial unit exhibit a diverse range of mineralogies likely due to alkaline fluid chemistries interacting with reactive volcaniclastic sediments. Terrestrial concretion mineralogy is diverse even within an outcrop or stratigraphic horizon which suggests reactants to precipitate

  12. Microfacies analysis of the Leonardian-Guadalupian lower member of the San Andres Formation in the southern Sacremento Mountains, Otero County, New Mexico

    SciTech Connect

    Whitman, C.; Clemons, R.E. )

    1992-04-01

    The Rio Bonito Member of the San Andres Formation records a transgression of the northwestern shelf during the late Leonardian. Late Leonardian to Guadalupian marine carbonates exposed in the Sacramento Mountains relate a marked change from equatorial tidal flat rocks of the middle Leonardian Yeso Formation. These rocks were deposited during a worldwide sea level lowstand. The Yeso-San Andres contact, previously thought to be a gradational boundary, is here interpreted as a flooding surface resulting from the eustatic sea level rise after the lowstand. Inundation of the northwestern shelf led to deposition of the thick Andres Formation marine limestone sequence within a shallow-lagoon or shelf setting. Depositional environments are predominantly subtidal and intertidal. Microfacies include packstones of comminuted bioclasts of normal saline affinities redistributed by light currents. These shoal upward at times to Dasycladacean algal grainstones interpreted as tidal bars prograding across the lagoon or shelf. More restricted wackestones and laminated mudstones occur at the base of the section and indicate a transition from tidal flat to submerged shelf. Aggradation of sediment into the intertidal zone may have occurred cyclically during San Andres deposition. One such cycle is present over the interval exposed in the Sacramento Mountains. Intertidal rocks resemble tidal flat deposits of dolostone, carbonate mudstones, and a thin tongue of quartzarenite interpeted to be Glorieta Sandstone. These rocks were previously attributed to interginguing of the Yeso with the San Andres.

  13. Low functional evenness in a post-extinction Anisian (Middle Triassic) paleocommunity: A case study of the Leidapo Member (Qingyan Formation), south China

    NASA Astrophysics Data System (ADS)

    Dineen, Ashley A.; Fraiser, Margaret L.; Tong, Jinnan

    2015-10-01

    Functional diversity, defined as the abundance and distribution of traits present in a community, has important implications for the functioning of ecosystems in the wake of events of major disturbance. Here, we examine the functional diversity of a Middle Triassic paleocommunity in the wake of the largest mass extinction in Earth's history, the Permo-Triassic mass extinction (PTME). Field data was collected and analyzed for a highly diverse invertebrate marine fossil assemblage, the Middle Triassic (Anisian) Leidapo Member (Qingyan Formation) of Qingyan, south China. Previously interpreted to represent a fully restructured paleocommunity in the aftermath of the PTME, our results indicate that the fauna of Leidapo Member had high taxonomic diversity and high functional richness, however was functionally uneven. Despite the presence of 24 different functional groups, the paleocommunity was numerically and ecologically dominated by one functional group consisting of mostly attached epifaunal suspension feeding brachiopods. The overwhelming dominance of this Anisian paleocommunity by one functional group implies that either, 1) resource availability in the community was uneven, and/or 2) strong environmental or niche filtering was in effect. As such, while the Anisian Leidapo Member paleocommunity was deposited in a fairly stable shallow water paleoenvironment, this biotic assemblage would have been very vulnerable to biotic and environmental perturbations. While it is uncertain whether or not this pattern is typical of paleocommunities in the aftermath of the PTME, these results imply that some Anisian paleocommunities may not have been as fully restructured as previously thought, and may have been inherently unstable due to the numerous biotic and environmental changes present in the Triassic.

  14. Taphonomic and paleoenvironmental considerations for the concentrations of macroinvertibrate fossils in the Romualdo Member, Santana Formation, Late Aptian - Early Albian, Araripe Basin, Araripina, NE, Brazil

    NASA Astrophysics Data System (ADS)

    Prado, Ludmila Alves Cadeira Do; Pereira, Priscilla Albuquerque; Sales, Alexandre Magno Feitosa; Barreto, Alcina Magnólia Franca

    2015-10-01

    Benthic macroinvertebrate fossils can be seen towards to the top of the Romualdo Member of the Santana Formation, in the Araripe Basin, Northeast Brazil, and can provide paleoenvironmental and paleobiogeographical information regarding the Cretaceous marine transgression which reached the interior basins in Northeast Brazil. We analyse taphonomic characteristics of macroinvertebrate concentrations of two outcrops (Torrinha and Torre Grande) within the municipality Araripina, Pernambuco, in order to enhance our understanding of the Cretaceous paleoenvironment in the western portion of the Araripe Basin. At the outcrop Torrinha, proximal tempestitic taphofacies were identified. These predominantly consist of ceritid, cassiopid, and later, naticid gastropods as well as undetermined bivalves. Given this lack of variability it can be deduced that there were no significant paleoenvironmental changes during the successive stages tempestitic sedimentation. In the Torre Grande outcrop distal to proximal tempestitic taphofacies were identified from the base to the top respectively pointing to a decrease in paleodepth. Asides from the macroinvertebrates present in Torrinha, there are also echinoids - unequivocal evidence for marine conditions. These occurrences appear to be restricted to Romualdo Member outcrops in the Araripina municipality (the Southeast portion of the Araripe Basin) confirming a previously published hypothesis suggesting that the Cretaceous marine transgression originated from the neighbouring Parnaíba Basin to the west. This study identified marine molluscs of a similar age to those in the Romualdo Member's equivalent rock units in the Parnaíba and Sergipe-Alagoas (SE-AL) basins suggesting a marine connection between these basins and the Araripe Basin during the Early Cretaceous.

  15. Petrography and diagenesis of reservoir and non-reservoir sandstones in Shattuck Member of Queen Formation, northwest shelf of Permian basin

    SciTech Connect

    Malicse, A.; Siegel, J.; Mazzullo, J.

    1988-02-01

    The Shattuck Member is a thick (6-20 m) sandstone that defines the top of the Queen Formation (Permian, Guadalupian) and is a major hydrocarbon reservoir on the Northwestern shelf of the Permian basin. The Shattuck was deposited in desert dune and interdune, dry and wet sand sheet, and sandy sabkha environments during a lowstand of sea level. The desert dune, interdune, and dry sand sheet deposits constitute the producing horizons in the Shattuck, whereas the wet sand sheet and sabkha deposits are generally non-productive. The purposes of this study are to examine the petrographic characteristics of the producing and non-producing horizons with petrographic and scanning electron microscopes, and to determine their provenance and diagenetic history.

  16. Sedimentology and palaeontology of the Upper Jurassic Puesto Almada Member (Cañadón Asfalto Formation, Fossati sub-basin), Patagonia Argentina: Palaeoenvironmental and climatic significance

    NASA Astrophysics Data System (ADS)

    Cabaleri, Nora G.; Benavente, Cecilia A.; Monferran, Mateo D.; Narváez, Paula L.; Volkheimer, Wolfgang; Gallego, Oscar F.; Do Campo, Margarita D.

    2013-10-01

    Six facies associations are described for the Puesto Almada Member at the Cerro Bandera locality (Fossati sub-basin). They correspond to lacustrine, palustrine, and pedogenic deposits (limestones); and subordinated alluvial fan, fluvial, aeolian, and pyroclastic deposits. The lacustrine-palustrine depositional setting consisted of carbonate alkaline shallow lakes surrounded by flooded areas in a low-lying topography. The facies associations constitute four shallowing upward successions defined by local exposure surfaces: 1) a Lacustrine-Palustrine-pedogenic facies association with a 'conchostracan'-ostracod association; 2) a Palustrine facies association representing a wetland subenvironment, and yielding 'conchostracans', body remains of insects, fish scales, ichnofossils, and palynomorphs (cheirolepidiacean species and ferns growing around water bodies, and other gymnosperms in more elevated areas); 3) an Alluvial fan facies association indicating the source of sediment supply; and 4) a Lacustrine facies association representing a second wetland episode, and yielding 'conchostracans', insect ichnofossils, and a palynoflora mainly consisting of planktonic green algae associated with hygrophile elements. The invertebrate fossil assemblage found contains the first record of fossil insect bodies (Insecta-Hemiptera and Coleoptera) for the Cañadón Asfalto Formation. The succession reflects a mainly climatic control over sedimentation. The sedimentary features of the Puesto Almada Member are in accordance with an arid climatic scenario across the Upper Jurassic, and they reflect a strong seasonality with periods of higher humidity represented by wetlands and lacustrine sediments.

  17. A New Centrosaurine Ceratopsid, Machairoceratops cronusi gen et sp. nov., from the Upper Sand Member of the Wahweap Formation (Middle Campanian), Southern Utah

    PubMed Central

    2016-01-01

    The Upper Cretaceous (middle-late Campanian) Wahweap Formation of southern Utah contains the oldest diagnostic evidence of ceratopsids (to date, all centrosaurines) in North America, with a number of specimens recovered from throughout a unit that spans between 81 and 77 Ma. Only a single specimen has been formally named, Diabloceratops eatoni, from the lower middle member of the formation. Machairoceratops cronusi gen. et sp. nov., a new centrosaurine ceratopsid from the upper member of the Wahweap Formation, is here described based on cranial material representing a single individual recovered from a calcareous mudstone. The specimen consists of two curved and elongate orbital horncores, a left jugal, a nearly complete, slightly deformed braincase, the left squamosal, and a mostly complete parietal ornamented by posteriorly projected, anterodorsally curved, elongate spikes on either side of a midline embayment. The fan-shaped, stepped-squamosal is diagnostic of Centrosaurinae, however, this element differs from the rectangular squamosal in Diabloceratops. Machairoceratops also differs in the possession of two anterodorsally (rather than laterally) curved epiparietal ornamentations on either side of a midline embayment that are distinguished by a posteromedially-oriented sulcus along the entire length of the epiparietal. Additionally, the parietosquamosal frill is lacking any other epiossifications along its periphery. Machairoceratops shares a triangular (rather than round) frill and spike-like epiparietal loci (p1) ornamentation with the stratigraphically lower Diabloceratops. Both parsimony and Bayesian phylogenetic analyses place Machairoceratops as an early-branching centrosaurine. However, the parsimony-based analysis provides little resolution for the position of the new taxon, placing it in an unresolved polytomy with Diabloceratops. The resultant Bayesian topology yielded better resolution, aligning Machairoceratops as the definitive sister taxon to a

  18. K-Ar ages of illite clays of the Meade Peak Member of the Phosphoria Formation, Western Phosphate Field, southeastern Idaho

    USGS Publications Warehouse

    Elliott, W. Crawford; Ritter, Kristen; Wampler, J.; Grauch, Richard I.; Bauluz, Blanca

    2007-01-01

    The Meade Peak Phosphatic Shale Member of the Phosphoria Formation in the Western Phosphate Field, southeastern Idaho, is composed of carbonaceous mudstone and siltstone with beds of phosphorite and dark bioclastic limestone. An objective of this study has been to understand the timing of diagenetic illite formation in the Meade Peak and whether the Neogene passage of hydrothermal fluids had a significant role in forming diagenetic illite in these shales. Illite-smectite (I-S) is the predominant clay mineral within the shale samples. Smectite, apatite, and kaolinite were also found in some samples. A distinct second generation of diagenetic illite is present as thin, 90% for all samples, and the I-S exhibits a Kalkberg-type stacking order (IISI). The diagenetic conditions inferred from the stacking order and percentage of illite layers in I-S are consistent with published vitrinite reflectance data of the Meade Peak. The K-Ar apparent ages of I-S range from 186 Ma to 292 Ma. A decrease in K-Ar age of I-S with decreasing particle size is observed in clay sub-micron fractions and is consistent with an interpretation that the clay fraction contains a mixture of detrital illite (or I-S) and diagenetic I-S. The measured K-Ar ages of I-S also decrease with increasing stratigraphic distance above the base of the Meade Peak. The K-Ar age of the diagenetic illite rosettes is about 185 Ma. These results indicate that diagenetic illite was formed in the Meade Peak shales during the Jurassic Period, almost certainly in response to progressive burial over a prolonged duration . Additional heating in response to thrust sheet emplacement during the Cretaceous Period may be responsible for the decrease in K-Ar age upward within the member.

  19. Sandstone-body and shale-body dimensions in a braided fluvial system: Salt wash sandstone member (Morrison formation), Garfield County, Utah

    USGS Publications Warehouse

    Robinson, J.W.; McCabea, P.J.

    1997-01-01

    Excellent three-dimensional exposures of the Upper Jurassic Salt Wash Sandstone Member of the Morrison Formation in the Henry Mountains area of southern Utah allow measurement of the thickness and width of fluvial sandstone and shale bodies from extensive photomosaics. The Salt Wash Sandstone Member is composed of fluvial channel fill, abandoned channel fill, and overbank/flood-plain strata that were deposited on a broad alluvial plain of low-sinuosity, sandy, braided streams flowing northeast. A hierarchy of sandstone and shale bodies in the Salt Wash Sandstone Member includes, in ascending order, trough cross-bedding, fining-upward units/mudstone intraclast conglomerates, singlestory sandstone bodies/basal conglomerate, abandoned channel fill, multistory sandstone bodies, and overbank/flood-plain heterolithic strata. Trough cross-beds have an average width:thickness ratio (W:T) of 8.5:1 in the lower interval of the Salt Wash Sandstone Member and 10.4:1 in the upper interval. Fining-upward units are 0.5-3.0 m thick and 3-11 m wide. Single-story sandstone bodies in the upper interval are wider and thicker than their counterparts in the lower interval, based on average W:T, linear regression analysis, and cumulative relative frequency graphs. Multistory sandstone bodies are composed of two to eight stories, range up to 30 m thick and over 1500 m wide (W:T > 50:1), and are also larger in the upper interval. Heterolithic units between sandstone bodies include abandoned channel fill (W:T = 33:1) and overbank/flood-plain deposits (W:T = 70:1). Understanding W:T ratios from the component parts of an ancient, sandy, braided stream deposit can be applied in several ways to similar strata in other basins; for example, to (1) determine the width of a unit when only the thickness is known, (2) create correlation guidelines and maximum correlation lengths, (3) aid in interpreting the controls on fluvial architecture, and (4) place additional constraints on input variables to

  20. Early hominid dental remains from Members 4 and 5 of the Sterkfontein Formation (1966-1996 excavations): catalogue, individual associations, morphological descriptions and initial metrical analysis.

    PubMed

    Moggi-Cecchi, Jacopo; Grine, Frederick E; Tobias, Phillip V

    2006-03-01

    The fossils recovered from the Sterkfontein Formation represent, without doubt, the largest collection of early hominid specimens from a single locality. Among the over 600 entries in the catalogue of fossil hominid specimens recovered since 1966, there are 242 dental remains (isolated teeth, jaws with two or more teeth, isolated teeth in association) for a total number of 495 teeth. The aim of this paper is to provide morphological descriptions of all hominid dental specimens recovered between 1968 and 1996 from areas presently known as Members 4 and 5 of the Sterkfontein site. Together with the descriptions, explanatory catalogue information is provided, along with basic measurements and summary statistics. This paper consists of six sections, with descriptive tables: (1) Catalogue of dental remains, arranged numerically. This includes isolated teeth, specimens with teeth still in position within their jaws, and specimens comprised of isolated teeth in association. (2) List of specimens with more complete dentition and the numbers of available teeth per tooth class. (3) List of specimens subdivided in tooth class, with an indication of their preservation, of the wear, if any, and with measurements (mesiodistal and buccolingual diameters) of the individual teeth. (4) List of associations of isolated teeth as individuals i.e. dental remains that can be associated with one another. Some remarks on the relative abundance of maxillary versus mandibular teeth, and on the numbers of available teeth are presented. (5) Morphological descriptions. (6) Summary statistics for the entire Sterkfontein sample (thus including specimens recovered both before and after 1966) and updated descriptive statistics for South African early hominids (A. africanus, A. robustus, South African early Homo). We have compared the coefficients of variation for the MD and BL diameters of the permanent teeth of the Sterkfontein Member 4 hypodigm of A. africanus with the hypodigms of the early

  1. Conjugate fracture pairs in the Molina Member of the Wasatch Formation, Piceance basin, Colorado: Implications for fracture origins and hydrocarbon production/exploration

    SciTech Connect

    Lorenz, J.C.

    1997-05-01

    The sandstones of the Molina Member of the Wasatch Formation in the Piceance basin of northwestern Colorado contain a suite of fractures that have a conjugate-pair geometry. The fractures are vertical and intersect at an acute angle of between 20 and 40 degrees. Although direct evidence of shear is rare, the fracture surfaces commonly display small steps. The fracture geometries suggest that the maximum compressive stress during fracturing was in the plane of the acute angle of the conjugate fractures: the steps are interpreted as broken-face manifestations of very low angle en echelon fractures, formed within exceptionally narrow zones of incipient shear. In contrast to the highly anisotropic permeability enhancement created by subparallel vertical extension fractures in the underlying Mesaverde Formation, the conjugate pairs in the Molina sandstones should create a well connected and relatively isotropic mesh of fracture conductivity. Increases in stress magnitudes and anisotropy during production drawdown of reservoir pressures should cause shear offsets along the fractures, initially enhancing permeability.

  2. Clumped Isotopes, trace elements, and δ18O of stromatolites from the Laney Member of the Green River Formation (Eocene): Implications for paleoenvironments during the Eocene Climatic Optimum

    NASA Astrophysics Data System (ADS)

    Corsetti, F. A.; Miller, H. M.; Asangba, A. E.; Johannessen, K. C.; Wang, D. T.; Petryshyn, V. A.; Tripati, A.; Shapiro, R. S.

    2013-12-01

    The Green River Formation, a large lacustrine deposit located across parts of Utah, Colorado, and Wyoming, was deposited during the Eocene Climatic Optimum (~50 Ma), a period of sustained high temperatures and high atmospheric CO2 levels that may provide a geologic analog for future climate scenarios. Large variations in basin hydrology, water chemistry, and paleotemperatures occurring on time scales of tens of thousands of years or longer have been documented in the sedimentary record. Here, we use stromatolites to investigate much finer-scale resolution of paleoenvironmental changes in the Green River Formation and paleo-Lake Gosiute. We studied the lower LaClede Bed, the base of the Laney Member of the Green River Formation, comprised of cyclic layers of oil shale and carbonate. The lower LaClede Bed represents the filling of the lake following an extended period of closure during deposition of the underlying Wilkins Peak Member. To characterize fluctuations in water chemistry and lake level at greater temporal resolution, we conducted micro-stratigraphic and chemostratigraphic analyses on 24 distinct mm-scale laminae in a single 10 cm carbonate stromatolite bed, including δ13C, δ18O, and trace elemental analyses (Mg, Mn, Fe, Si, K, Na, Al, Sr). Sub-cm-scale correlations between petrographic analyses, elemental composition, and carbonate δ13C and δ18O suggest that this stromatolite records both hydrologically-closed and -open periods in the history of Lake Gosiute. During periods of apparent basin closure, we used two models to investigate lake volume change: 1) a Rayleigh distillation model of water evaporation to estimate lake depth variations and 2) a conservative ion model based on Na incorporation into the stromatolites. In both models, lake depth fluctuated by up to 8 m; this represents up to 40km of shoreline change in Lake Gosiute during the deposition of this stromatolite layer. Interestingly, the modern Great Salt Lake experienced similar

  3. Rock Magnetic Cyclostratigraphy and Magnetostratigraphy of the Rainstorm Member of the Neoproterozoic Johnnie Formation indicate a 2.5 Myr Duration for the Negative 13C Isotopic Anomaly

    NASA Astrophysics Data System (ADS)

    Kodama, K. P.; Hillhouse, J. W.

    2011-12-01

    The Rainstorm Member of the Neoproterozoic Johnnie Formation from Death Valley, CA, contains a negative 13C isotopic anomaly that records the oxidation of the oceans with the rise of atmospheric oxygen just before the appearance of multi-cellular life. Previously, the only estimate for the duration of the globally observed 13C anomaly, 50 myr, came from thermal subsidence modeling of rocks in Oman. In the southern Nopah Range, CA, we collected rock magnetic samples from 6 to 45 m above the Johnnie oolite marker bed to test for cyclostratigraphy in mudstone carbonates that correlate to the lower third of the carbon anomaly. Our objective was to independently determine the duration of the oxidation event by looking for evidence of orbital cycles in the rock magnetic properties. We also collected 8 horizons of three oriented samples each between 10 m and 40 m above the oolite for a magnetostratigraphy to constrain our interpretation of the rock magnetic cyclostratigraphy. After thermal demagnetization treatments, the remanent magnetization showed 4 chrons (R-N-R-N) in the 30 m interval with E (reversed)-W(normal) declinations and shallow inclinations (mean: D=262.8°, I=1.3°), similar to previous paleomagnetic determinations for an equivalent part of the Rainstorm Member in the Desert Range, Nevada (Van Alstine and Gillett , 1979) . Our rock magnetic cyclostratigraphy, sampled at 25 cm intervals, shows a well-defined 5 m wavelength for a measure of the goethite-to-hematite ratio that is interpreted to indicate climate variability (precipitation to aridity) in the Johnnie Formation source area. In addition to the 5 m cycle, a smaller amplitude cycle is observed in the data series with an average wavelength of 0.75 m. Multi-taper method (MTM) spectral analysis shows significant power (> than the 95% confidence limits above the robust red noise) at these frequencies, but also at harmonics of the 5 m waveform. If the 5 m cycle is assumed to be short eccentricity with a

  4. Characteristics and description of cores from the USGS core hole CRU-1, Parachute Creek Member, Green River Formation, east-central Uinta Basin, Utah

    USGS Publications Warehouse

    Keighin, C.W.

    1982-01-01

    Oil-yield, lithologic, and mineral distribution data were determined for cores taken from a 497.7-foot drill hole in the upper part of the Parachute Creek Member of the Eocene Green River Formation. The drill hole, 1050 feet FEL, 700 feet FNL, sec. 3, T. 12 S., R. 24 E., Uintah County, Utah, started slightly below the contact between the Uinta Formation, also of Eocene age, and the underlying Green River Formation. It ended 32 feet below the base of the Mahogany bed (the richest oil-shale bed between A groove and B groove--which define the upper and lower boundaries, respectively, of the Mahogany zone). Most of the interval studied is kerogen- or carbonate-rich, commonly tuffaceous, and is very fine grained. Several thin (<3 feet) oil-shale beds which yield as much as 25 gallons of oil per ton occur above the Mahogany zone, but are probably not of economic interest. The cored sequence contains several tuff beds. The thickest of these beds is approximately 2 feet thick; the average thickness is rarely greater than 0.5 feet. Two oil-saturated tuff beds occur approximately 65 feet above the Mahogany oil-shale bed. Although these two tuffs are exposed on nearby surface outcrops, no evidence of oil is seen on outcrop. The Mahogany zone is approximately 69 feet thick at the drill site; the lowermost few feet were not penetrated. At the site cored, the Mahogany zone is overlain by 435 feet of overburden. Fischer assays indicate that 42.3 feet of oil shale within the Mahogany zone could yield at least 25 gallons of oil per ton from beds at least 10 feet thick.

  5. Facies architecture and stratigraphic evolution of aeolian dune and interdune deposits, Permian Caldeirão Member (Santa Brígida Formation), Brazil

    NASA Astrophysics Data System (ADS)

    Jones, Fábio Herbert; Scherer, Claiton Marlon dos Santos; Kuchle, Juliano

    2016-05-01

    The Permian Caldeirão Member (Santa Brígida Formation), located in the Tucano Central Basin, northeast region of Brazil, is characterized by a sandstone succession of aeolian origin that comprises the preserved deposits of dunes and interdunes. Grainflow and translatent wind-ripple strata, and frequent presence of reactivation surface, compose the cross-bedding of crescent aeolian dune deposits. The aeolian cross-strata show a mean dip toward the ENE. In places, interlayered with dune cross-beds, occur interdune units composed of facies indicative of dry, damp and wet condition of the substrate, suggesting spatial and/or temporal variations in the moisture content of the interdune accumulation surface. The presence of NNW current ripple cross-lamination in wet interdune areas indicates streamflows confined to interdune corridors and oriented perpendicular to aeolian transport direction. Lenses of damp and wet interdune strata exhibit mainly interdigitated and transitional relationships with the toe-sets of overlying aeolian dune units in sections parallel to aeolian transport, indicating that dune migration was contemporaneous with accumulation in adjacent interdunes. Lateral variations in the preserved thickness of the interdune units and the associated rare occurrence of abrupt and erosive contacts between interdune and overlying dune sets, suggest temporal variations in the angle of dune and interdune climb that may be related to high-frequency changes in water table position. Four stratigraphic intervals in the Caldeirão Member can be identified, two intervals showing cross-bedding of aeolian dunes without wet interdune areas and two intervals exhibiting aeolian dunes separated by wet interdune areas, marking the transition between dry aeolian systems (Intervals I and III) and wet aeolian systems (Intervals II and IV). The temporal alternations between dry and wet aeolian systems reflect changes in the availability of dry sand and/or the rate in the water

  6. Slope-apron deposition in an ordovician arc-related setting: The Vuelta de Las Tolas Member (Suri Formation), Famatina Basin, northwest Argentina

    USGS Publications Warehouse

    Mangano, M.G.; Buatois, L.A.

    1997-01-01

    The Ordovician Suri Formation is part of the infill of the Famatina Basin of northwest Argentina, which formed in an active setting along the western margin of early Paleozoic Gondwana. The lower part of this formation, the Vuelta de Las Tolas Member, records sedimentation on a slope apron formed in an intra-arc basin situated on a flooded continental arc platform. The coincidence of a thick Arenig-Llanvirn sedimentary succession and volcanic-plutonic arc rocks suggests an extensional or transtensional arc setting, and is consistent with evidence of an extensional regime within the volcanic arc in the northern Puna region. The studied stratigraphic sections consist of volcanic rocks and six sedimentary facies. The facies can be clustered into four facies associations. Association 1, composed of facies A (laminated siltstones and mudstones) and B (massive mudstones and siltstones), is interpreted to have accumulated from silty-muddy high-and low-density turbidity currents and highly fluid, silty debris flows, with subsequent reworking by bottom currents, and to a lesser extent, hemipelagic suspension in an open-slope setting. Facies association 2 is dominated by facies C (current-rippled siltstones) strata. These deposits are interpreted to record overbank sedimentation from fine-grained turbidity currents. Facies E (matrix-supported volcanic breccias) interbedded with andesitic lava units comprises facies association 3. Deposition was contemporaneous with subaqueous volcanic activity, and accumulated from cohesive debris flows in a coarse-grained wedge at the base of slope. Facies association 4 is typified by facies D (vitric fine-grained sandstones and siltstones) and F (channelized and graded volcanic conglomerates and breccias) deposits. These strata commonly display thinning-and fining-upward trends, indicating sedimentation from highly-concentrated volcaniclastic turbidity currents in a channelized system. The general characteristics of these deposits of fresh

  7. Magnetostratigraphy and Magnetic Mineralogy of the Ludlow Member of the Fort Union Formation (Lower Paleocene) of the Williston Basin in North Dakota

    NASA Astrophysics Data System (ADS)

    Peppe, D. J.; Evans, D. A.

    2006-12-01

    A continuous succession of Cretaceous through lowermost Eocene terrestrial sediments contains a nearly complete Paleocene record, in the Little Missouri River Valley of North Dakota, USA. We aim to calibrate the rates of post-Cretaceous ecological recovery from mass extinction, by determining a detailed chronostratigraphy of plant and mammal fossils in the basin. Using the Cretaceous-Paleogene (K-T) boundary as the basal datum, we have constructed a ca.300 meter composite section of the Upper Cretaceous Hell Creek Formation and the Lower Paleocene Ludlow Member of the Fort Union Formation. We analyzed paleomagnetic samples from 12 stratigraphic sections using a combined low-AF and thermal demagnetization strategy. Instability of magnetization above 200 °C has been reported in previous studies, which we reproduced when heating in air; however, when the samples were heated in nitrogen the stability field extended to well above 300 °C. The analyzed samples demonstrate a series of geomagnetic reversals that can be correlated from C29n through C27r of the Geomagnetic Polarity Time Scale (GPTS). Bulk susceptibility vs. temperature studies on sandstone, siltstone, and carbonaceous shale indicate predominately irreversible curves suggesting titanomaghemite as the magnetic carrier in the Ludlow Member sediments. IRM acquisition in our samples consistently shows non-saturation above 100 mT indicating an additional anti-ferromagnetic component, most likely goethite. The dominant iron oxide in these samples, titanomaghemite, was generated either during weathering of the source terrain during Laramide uplift, or weathered in-situ prior to diagenesis, or during alteration after burial. We infer that the magnetization of the samples is primary because the polarity direction is consistent with that of the Paleocene of North America and the reversal stratigraphy from this section corresponds to the GPTS with reasonable sedimentation rates. Our results imply a temporal restriction

  8. Diagenetic Iron Cycling in Ancient Alkaline Saline Lacustrine Sedimentary Rocks: A Case Study on the Jurassic Brushy Basin Member of the Morrison Formation, Colorado Plateau, USA

    NASA Astrophysics Data System (ADS)

    Potter-McIntyre, S. L.; Chan, M. A.; McPherson, B. J. O. L.

    2014-12-01

    The upper part of the Brushy Basin Member in the Four Corners region of the U.S. was deposited in an ephemeral alkaline saline lake system with copious input of volcanic ash. The variegated shale formation provides a setting for the study of early diagenetic iron cycling that records the action of alkaline saline fluid chemistries reacting with volcaniclastic sediments in the presence of microbes. A bull's-eye pattern of authigenic minerals with increasing alteration towards the basinal center similar to modern alkaline saline lakes provides evidence for an extreme paleoenvironmental interpretation. The purpose of this research is to document specific factors, such as reactive sediments, microbial influences, and grain size that affect concretion formation and iron cycling in an ancient extreme environment. Three broad diagenetic facies are interpreted by color and associated bioturbation features: red, green and intermediate. Diagenetic facies reflect meter-scale paleotopography: red facies represent shallow water to subaerial, oxidizing conditions; green facies reflect saturated conditions and reducing pore water chemistry shortly after deposition, and intermediate facies represent a combination of the previous two conditions. Evidence of biotic influence is abundant and trace fossils exhibit patterns associated with the diagenetic facies. Red diagenetic facies typically contain burrows and root traces and green diagenetic facies exhibit restricted biotic diversity typically limited to algal molds (vugs). Microbial fossils are well-preserved and are in close proximity to specific iron mineral textures suggesting biotic influence on the crystal morphology. Three categories of concretions are characterized based on mineralogy: carbonate, iron (oxyhydr)oxide and phosphate concretions. Concretion mineralogy and size vary within an outcrop and even within a stratigraphic horizon such that more than one main category is typically present in an outcrop. Variation in

  9. Use of geophysical logs in recognizing depositional environments in the Tongue River Member of the Fort Union Formation, Powder River area, Wyoming and Montana

    USGS Publications Warehouse

    Flores, R.M.; Toth, J.C.; Moore, T.A.

    1982-01-01

    The environmental conditions under which rocks in the Paleocene Tongue River Member of the Fort Union Formation were deposited in the Powder River area, Wyoming and Montana, can be determined using geophysical logs with some limitations. It is widely recognized that gamma ray and density logs are useful in identifying thickness and stratigraphic position of coal beds. In addition, gamma ray and electrical resistivity logs can be used to infer conditions of transportation and deposition of sandstones, siltstones, and other rock types. In particular, intensity responses of the gamma ray and resistance logs provide a clue to variations of grain size such as fining-upward and coarsening-upward characteristics of fluvial channel and crevasse splay deposits, respectively. These signatures in the geophysical logs are readily observed for some beds; for other beds however, the depositional conditions are difficult to determine because the beds do not produce clear-cut log-response patterns. Thus,. analysis of the environments of deposition of detrital rocks in drill holes can be made more accurate by a study of stratigraphically equivalent intervals in outcrops near drill-hole sites.

  10. Evidence for local tectonism related to a mid-Turonian unconformity beneath Upper Cretaceous Turner Sandy Member of Carlile Formation, northeastern Powder River basin, Wyoming

    SciTech Connect

    Reinbold, M.L.; Harwerth, L.A. )

    1989-09-01

    In the northeastern Powder River basin the Upper Cretaceous (upper Turonian) Turner Sandy Member consists of marine sandstone, siltstone, shale, and bentonites. These lithologies comprise several laterally continuous, primarily upward-coarsening sequences. Turner petroleum production (> 11 million bbl of oil) has been largely from the lowermost sandstone. In this part of the basin, the Turner is conformably overlain by the Sage Breaks shale, but the base of the Turner is, in most areas, unconformable with the underlying Greenhorn Formation. This unconformity records a mid-Turonian sea level lowstand accompanied by widespread erosion. Turner sediments were deposited during the subsequent sea level rise and onlap the erosional surface. Detailed correlations of several shaly or bentonitic marker horizons within the Turner and Greenhorn indicate the unconformity typically occurs at the base of an upward-coarsening sequence. In the far northeast the older Turner sequence may be conformable with the underlying Pool Creek shale. However, to the southwest progressively younger basal Turner sequences onlap progressively older Greenhorn strata at the unconformity. Cross sections and isopach maps document several dominantly north-south-oriented Turner and Greenhorn thins, which they interpret to represent areas of structurally controlled paleohighs. As much as 150 ft of pre-Turner erosion occurs over these paleohighs. Thickness patterns suggest that the greatest uplift immediately preceded the mid-Turonian erosional event. Decreased uplift continued throughout upper Turonian (Turner) time but became much less evident in post-Turner time.

  11. Fishes and tetrapods in the upper pennsylvanian (kasimovian) cohn coal member of the mattoon formation of illinois, United States: Systematics, paleoecology, and paleoenvironments

    USGS Publications Warehouse

    Carpenter, D.; Falcon-Lang, H. J.; Benton, M.J.; Nelson, W.J.

    2011-01-01

    A newly discovered vertebrate assemblage is reported from the Upper Pennsylvanian (mid-to upper Kasimovian) Cohn Coal Member of the Mattoon Formation of southeast Illinois, United States. Teeth, scales, and spines of xenacanth (Dicentrodus, Orthacanthus, Triodus, Xenacanthus) and euselachian (Sphenacanthus) sharks dominate the assemblage. Less common are the teeth, scales, and centra of holocephalan (Helodus) and actinopterygian fishes, together with rare tetrapod (mainly pelycosaur) phalanges and centra. The assemblage occurs within a broad, shallow channel incised into a prominent Vertisol. The channel is interpreted as having been cut during a seasonally dry glacial phase when sea level was low, but filled during a subsequent transgression triggered by deglaciation. We interpret this as a brackish water (estuarine) assemblage, based on the co-occurrence of the vertebrate material with spirorbids (putative microconchids) and paleoecological inferences gleaned from a critical analysis of the literature dealing with Pennsylvanian fish ecology. This interpretation is broadly consistent with taphonomic data and the results of 87Sr/86Sr isotope analysis of shark material. The pelycosaur material may have been reworked from the lowstand Vertisol, however, and these animals occupied dryland niches that developed during glacial phases. ?? 2011 SEPM (Society for Sedimentary Geology).

  12. Sedimentological, mineralogical and geochemical definition of oil-shale facies in the lower Parachute Creek Member of Green River Formation, Colorado

    SciTech Connect

    Cole, R.D.

    1984-04-01

    Sedimentological, mineralogical and geochemical studies of two drill cores penetrating the lower Saline zone of the Parachute Creek Member (middle L-4 oil-shale zone through upper R-2 zone) of the Green River Formation in north-central Piceance Creek basin, Colorado, indicate the presence of two distinct oil-shale facies. The most abundant facies has laminated stratification and frequently occurs in the L-4, L-3 and L-2 oil-shale zones. The second, and subordinate facies, has ''streaked and blebby'' stratification and is most abundant in the R-4, R-3 and R-2 zones. Laminated oil shale originated by slow, regular sedimentation during meromictic phases of ancient Lake Uinta, whereas streaked and blebby oil shale was deposited by episodic, non-channelized turbidity currents. Laminated oil shale has higher contents of nahcolite, dawsonite, quartz, K-feldspar and calcite, but less dolomite/ankerite and albite than streaked and blebby oil shale. Ca-Mg-Fe carbonate minerals in laminated oil shale have more variable compositions than those in streaked and blebby shales. Streaked and blebby oil shale has more kerogen and a greater diversity of kerogen particles than laminated oil shale. Such variations may produce different pyrolysis reactions when each shale type is retorted.

  13. Depositional environments in an alluvial-lacustrine system: molluscan paleoecology and lithofacies relations in upper part of Tongue River Member of Fort Union Formation, Powder River Basin, Wyoming

    SciTech Connect

    Hanley, J.H.; Flores, R.M.

    1983-03-01

    The upper part of the Tongue River Member of the Fort Union Formation (Paleocene) in the northern Powder River basin, Wyoming, contains assemblages of excellently preserved nonmarine mollusks which occur in laterally continuous outcrops of diverse lithologic sequences and sedimentary structures. Three facies are recognized vertically within an alluvial-lacustrine system. The interfluvial lake and lake splay facies is characterized by sequences of coarsening-upward detritus, abundant continuous limestone beds, and few beds of discontinuous coal and continuous carbonaceous shale. Limestones contain two lacustrine mollusk assemblages: a locally reworked assemblage dominated by the bivalve Plesielliptio (two species), and the gastropods Viviparus, Lioplacodes (three species), and Clenchiella; and a quite-water assemblage dominated by sphaeriid bivalves. The interfluvial crevasse splay-crevasse channel facies is characterized by sequences of coarsening-upward detritus and few discontinuous limestone beds, separated vertically by thick, continuous coal and carbonaceous shale beds. This facies includes small crevasse channel sandstones which scour into splay sandstones. Biofabric of lacustrine mollusk assemblages, which are identical in composition (but with dwarfed species of Plesielliptio) to locally reworked lacustrine assemblages of the interfluvial lake and lake splay facies, reflects deterioration of lakes through active infilling by crevasses. The fluvial channel and interchannel facies is typified by thick channel sandstones laterally separated by sequences of coarsening-upward detritus, overbank sediments, and rare limestones. This facies includes thick, continuous coal and carbonaceous shale beds.

  14. A REVISED AGE FOR UPPER SCORPIUS AND THE STAR FORMATION HISTORY AMONG THE F-TYPE MEMBERS OF THE SCORPIUS-CENTAURUS OB ASSOCIATION

    SciTech Connect

    Pecaut, Mark J.; Mamajek, Eric E.; Bubar, Eric J.

    2012-02-20

    We present an analysis of the ages and star formation history of the F-type stars in the Upper Scorpius (US), Upper Centaurus-Lupus (UCL), and Lower Centaurus-Crux (LCC) subgroups of Scorpius-Centaurus (Sco-Cen), the nearest OB association. Our parent sample is the kinematically selected Hipparcos sample of de Zeeuw et al., restricted to the 138 F-type members. We have obtained classification-resolution optical spectra and have also determined the spectroscopic accretion disk fraction. With Hipparcos and 2MASS photometry, we estimate the reddening and extinction for each star and place the candidate members on a theoretical H-R diagram. For each subgroup we construct empirical isochrones and compare to published evolutionary tracks. We find that (1) our empirical isochrones are consistent with the previously published age-rank of the Sco-Cen subgroups; (2) subgroups LCC and UCL appear to reach the main-sequence turn-on at spectral types {approx}F4 and {approx}F2, respectively. An analysis of the A-type stars shows US reaching the main sequence at about spectral type {approx}A3. (3) The median ages for the pre-main-sequence members of UCL and LCC are 16 Myr and 17 Myr, respectively, in agreement with previous studies, however we find that (4) Upper Sco is much older than previously thought. The luminosities of the F-type stars in US are typically a factor of {approx}2.5 less luminous than predicted for a 5 Myr old population for four sets of evolutionary tracks. We re-examine the evolutionary state and isochronal ages for the B-, A-, and G-type Upper Sco members, as well as the evolved M supergiant Antares, and estimate a revised mean age for Upper Sco of 11 {+-} 1 {+-} 2 Myr (statistical, systematic). Using radial velocities and Hipparcos parallaxes we calculate a lower limit on the kinematic expansion age for Upper Sco of >10.5 Myr (99% confidence). However, the data are statistically consistent with no expansion. We reevaluate the inferred masses for the known

  15. Elastomeric member

    DOEpatents

    Hoppie, Lyle O.

    1985-01-01

    An energy storage device (10) is disclosed consisting of a stretched elongated elastomeric member (16) disposed within a tubular housing (14), which elastomeric member (16) is adapted to be torsionally stressed to store energy. The elastomeric member (16) is configured in the relaxed state with a uniform diameter body section (74), and transition end sections (76, 78), attached to rigid end piece assemblies (22, 24) of a lesser diameter. The profile and deflection characteristic of the transition sections (76, 78) are such that upon stretching of the elastomeric member (16), a substantially uniform diameter assembly results, to minimize the required volume of the surrounding housing (14). Each of the transition sections (76, 78) are received within and bonded to a woven wire mesh sleeve (26, 28) having helical windings at a particular helix angle to control the deflection of the transition section. Each sleeve (26, 28) also contracts with the contraction of the associated transition section to maintain the bond therebetween. During manufacture, the sleeves (26, 28) are forced against a forming surface and bonded to the associated transition section (76, 78) to provide the correct profile and helix angle.

  16. Elastomeric member

    DOEpatents

    Hoppie, L.O.

    1985-07-30

    An energy storage device is disclosed consisting of a stretched elongated elastomeric member disposed within a tubular housing, which elastomeric member is adapted to be torsionally stressed to store energy. The elastomeric member is configured in the relaxed state with a uniform diameter body section, and transition end sections, attached to rigid end piece assemblies of a lesser diameter. The profile and deflection characteristic of the transition sections are such that upon stretching of the elastomeric member, a substantially uniform diameter assembly results, to minimize the required volume of the surrounding housing. Each of the transition sections are received within and bonded to a woven wire mesh sleeve having helical windings at a particular helix angle to control the deflection of the transition section. Each sleeve also contracts with the contraction of the associated transition section to maintain the bond there between. During manufacture, the sleeves are forced against a forming surface and bonded to the associated transition section to provide the correct profile and helix angle. 12 figs.

  17. Provenance of the Tullock member of the Fort Union formation, Powder River Basin, Wyoming and Montana: Evidence for early Paleocene Laramide uplift

    SciTech Connect

    Hansley, P.L.; Brown, J.L. )

    1993-01-01

    A petrologic and provenance study of the lower Paleocene Tullock Member of the Fort Union Formation in the Powder River Basin (PRB) indicates that Laramide uplifts to the west and south of the PRB were emergent and shedding detritus by early Paleocene time. This conclusion is based largely on the presence of abundant first-cycle carbonate clasts in the northwestern PRB and metamorphic and igneous clasts and labile heavy-mineral grains in the Tullock throughout the basin. The proximity and composition of the north end of the Bighorn uplift strongly suggest that is was the source for carbonate, igneous, and metamorphic rock fragments in northwestern Tullock outcrops. Lack of conglomeratic material in northwestern outcrops, however, indicates that the Bighorn uplift was not yet well developed and perhaps the Pryor Mountains uplift farther to the west was contributing some detritus. In the southern PRB, abundant labile heavy minerals and igneous rock fragments in the Tullock indicate that other uplifts to the west and south (i.e. Granite Mountains, Washakie, Owl Creek, and Laramie uplifts) had also started to rise by early Paleocene time. Paleocurrent directions show that Tullock streams flowed generally east-northeast across a gently sloping alluvial plain toward the retreating Cannonball sea, suggesting that the Black Hills were not yet emergent and, as a result, the basin had not fully developed. Our conclusions are supported by recent fission-track, palynological, and sedimentological studies that indicate that Laramide-style forland deformation in southwestern Montana began in late Cenomanian to Turonian time and migrated through central Wyoming to the Colorado Front Range by late Maastrichtian time. 37 refs., 8 figs., 3 tab.

  18. Maps showing coal-split boundaries, isopachs of coal splits, coal resources, and coal quality; Mammoth coal bed, Paleocene Tongue River Member of the Fort Union Formation, Bull Mountain coal field, south-central Montana

    SciTech Connect

    Connor, C.W.

    1989-01-01

    A U.S. Geological Survey Maps are presented showing coal-split boundaries, isopachs of coal splits, coal resources, and coal quality; mammoth coal bed, Paleocene Tongue River Member of the Fort Union Formation, Bull Mountain coal field, south-central Montana.

  19. Supporting members

    NASA Astrophysics Data System (ADS)

    Life Supporting Members L. Thomas Aldrich Thomas D. Barrow Hugh J . A. Chivers Allan V. Cox Samuel S. Goldich Pembroke J. Hart A. Ivan Johnson Helmut E. Landsberg Paolo Lanzano Murli H. Manghnani L. L. Nettleton Charles B. Officer Hyman Orlin Ned A. Ostenso Erick O. Schonstedt Waldo E. Smith Athelstan Spilhaus A. F. Spilhaus, Jr. John W. Townsend, Jr. James A. Van Allen Leonard W. Weis Charles A. Whitten J. Tuzo Wilson

  20. Water utilization of the Cretaceous Mussentuchit Member local vertebrate fauna, Cedar Mountain Formation, Utah, USA: Using oxygen isotopic composition of phosphate

    USGS Publications Warehouse

    Suarez, C.A.; Gonzalez, Luis A.; Ludvigson, Greg A.; Cifelli, R.L.; Tremain, E.

    2012-01-01

    While the oxygen isotopic composition of pedogenic carbonate has successfully been used to address the effects of global climate change on the hydrologic cycle, detailed regional paleohydrologic studies are lacking. Since the hydrologic cycle can vary extensively on local or regional scales due to events such as such as mountain building, and since pedogenic carbonates (calcite) form in a narrow moisture regime, other proxies, such as vertebrate remains, must be used to decipher local versus regional variations in paleohydrology. In this study, the oxygen isotopic composition (?? 18O p) of phosphatic remains from a diverse set of vertebrate fossils (fish, turtles, crocodiles, dinosaurs, and micro-mammals) from the Mussentuchit Member (MM) of the Cedar Mountain Formation, Utah, USA (Aptian to Cenomanian) are analyzed in order to determine differences among the available water reservoirs and water utilization of each taxon. Calculated changes in water reservoir ?? 18O w over time are then used to determine the effects of the incursion of the Western Interior Seaway (WIS) and the Sevier Mountains on paleohydrology during the MM time. Calculation of ?? 18O w from the results of isotopic analysis of phosphate oxygen suggests that turtles and crocodiles serve as another proxy for meteoric water ?? 18O that can be used as a measure of average local precipitation ?? 18O w similar to pedogenic calcite. Pedogenic calcites can be slightly biased toward higher values, however, due to their formation during evaporative conditions. Turtles and crocodiles can be used in place of pedogenic calcite in environments that are not conducive to pedogenic carbonate formation. Remains of fish with rounded tooth morphology have ?? 18O p values that predict temperatures consistent with other estimates of mean annual temperature for this latitude and time. The ?? 18O p of ganoid scales and teeth with pointed morphology, however, indicates that these skeletal materials were precipitated from

  1. The Formation of Seven-Membered Heterocycles under Mild Pictet-Spengler Conditions: A Route to Pyrazolo[3,4]benzodiazepines.

    PubMed

    Katte, Timothy A; Reekie, Tristan A; Jorgensen, William T; Kassiou, Michael

    2016-06-01

    Reported is a method for the synthesis of seven-membered heterocycles via a Pictet-Spengler condensation reaction under very mild conditions. High substrate scope allows for use of aldehydes using catalytic amounts of acetic acid yielding 39-90% and ketones using catalytic amounts of trifluoroacetic acid yielding 25-83%. PMID:27159074

  2. Imaging the Ferron Member of the Mancos Shale formation using reprocessed high-resolution 2-D seismic reflection data: Emery County, Utah

    USGS Publications Warehouse

    Taylor, D.J.

    2003-01-01

    Late in 1982 and early in 1983, Arco Exploration contracted with Rocky Mountain Geophysical to acquired four high-resolution 2-D multichannel seismic reflection lines in Emery County, Utah. The primary goal in acquiring this data was an attempt to image the Ferron Member of the Upper Cretaceous Mancos Shale. Design of the high-resolution 2-D seismic reflection data acquisition used both a short geophone group interval and a short sample interval. An explosive energy source was used which provided an input pulse with broad frequency content and higher frequencies than typical non-explosive Vibroseis?? sources. Reflections produced by using this high-frequency energy source when sampled at a short interval are usually able to resolve shallow horizons that are relatively thin compared to those that can be resolved using more typical oil and gas exploration seismic reflection methods.The U.S. Geological Survey-Energy Resources Program, Geophysical Processing Group used the processing sequence originally applied by Arco in 1984 as a guide and experimented with processing steps applied in a different order using slightly different parameters in an effort to improve imaging the Ferron Member horizon. As with the Arco processed data there are sections along all four seismic lines where the data quality cannot be improved upon, and in fact the data quality is so poor that the Ferron horizon cannot be imaged at all.Interpretation of the seismic and core hole data indicates that the Ferron Member in the study area represent a deltaic sequence including delta front, lower delta plain, and upper delta plain environments. Correlating the depositional environments for the Ferron Member as indicated in the core holes with the thickness of Ferron Member suggests the presence of a delta lobe running from the northwest to the southeast through the study area. The presence of a deltaic channel system within the delta lobe complex might prove to be an interesting conventional

  3. Hydrostatic pressure and fluid-density distribution of the Culebra Dolomite member of the Rustler Formation near the Waste Isolation Pilot Plant, southeastern New Mexico

    SciTech Connect

    Crawley, M.E.

    1988-05-01

    The primary objectives of the Pressure - Density Survey were to obtain the middle-of-formation pressures, determine well-bore fluid densities, define well-bore fluid density stratification, and to provide, where possible, formation water density values for wells where little or no information on densities exists. The survey collected ground-water pressure and density data during three field testing periods during the years 1986 and 1987. Data were collected from 33 individual wells located in the vicinity of the WIPP Site. 18 refs., 10 figs., 10 tabs.

  4. Foraminiferal biofacies in the San José Calcareous Silt Member (Manzanilla Formation, Upper Miocene to Lower Pliocene) in the Manzanilla Bay area, north-east Trinidad, and their environmental significance

    NASA Astrophysics Data System (ADS)

    Wilson, Brent

    2013-10-01

    The Miocene-Pliocene Manzanilla Formation of northern Trinidad marks the arrival of the east-west flowing Orinoco River. Foraminifera were examined quantitatively in samples obtained at ˜5 m intervals from the lowest member of the formation, the San José Calcareous Silt Member, where exposed at eastern Manzanilla Bay and Point Noir. Recovery of Globorotalia merotumida indicates an age within the Globorotalia acostaensis Zone through Globorotalia margaritae evoluta Subzone, (N16-N19). Values of the information function (H) and the percentage of the total assemblage as planktonic foraminifera (%P), both traditionally used as palaeodepth indicators, were uncorrelated. The low values of H are indicative of freshwater influence. Cluster analysis revealed two major biofacies dominated by Pseudononion atlanticum and Hanzawaia carstensi respectively, for which similar values of mean H and mean %P suggest similar, inner to middle neritic palaeodepths, the P. atlanticum Biofacies indicating times of hypoxia. Entrained within these were rarer samples from a biofacies indicative of shallowing and increased freshwater input (Ammonia parkinsonia gr. Biofacies). An Amphistegina gibbosa Biofacies marked an interval in which water because sufficiently clear to support foraminifera symbiotic with algae, while a sample containing only Haplophragmoides wilberti was indicative of intertidal conditions. Some samples containing reddened foraminifera showed that deposition occasionally became very slow, but these were not limited to any one biofacies. The range of palaeodepths in which the San José Calcareous Silt Member was deposited is far less than in the underlying Brasso Formation, indicating that tectonic induction of transgressive-regressive cycles was slighter during San José times.

  5. Preliminary mineralogical characterization of weathered and less-weathered strata of the Meade Peak phosphatic shale member of the Permian Phosphoria Formation: measured sections C and D, Dry Valley, Caribou County, Idaho

    USGS Publications Warehouse

    Knudsen, Andrew C.; Gunter, Mickey E.; Herring, James R.

    2001-01-01

    The Permian Phosphoria Formation of southeastern Idaho is one of the largest phosphate producing deposits in the world. Despite the economic significance of this Formation, the finegrained nature of this phosphorite deposit has discouraged detailed mineralogical characterization and quantification studies. Recently Se and other potentially hazardous trace elements in mine wastes have drawn increased attention to this formation, and motivated more extensive study. Part of this effort has focused on a more detailed geological, including a mineralogical, characterization of the area. Past research identified the major minerals in the Formation, including carbonatefluorapatite, quartz, and dolomite, and a variety of sheet silicates and feldspars. Minor phases such as pyrite and sphalerite have also been identified in the deposit and may be sources of Se. This study used powder X-ray diffraction, with Rietveld quantification software to quantify and characterize the mineralogy of the 83 samples collected from two stratigraphic sections measured by the U.S. Geological Survey at the Dry Valley mine in the Meade Peak Member of the Phosphoria Formation. Analyses show extensive variability of carbonate substitution in the fluorapatite structure, determined by measuring the apatite a-cell dimension, as well as patterns of correlation between mineralogy and the stratigraphy.

  6. The PCH Family Member MAYP/PSTPIP2 Directly Regulates F-Actin Bundling and Enhances Filopodia Formation and Motility in MacrophagesD⃞V⃞

    PubMed Central

    Chitu, Violeta; Pixley, Fiona J.; Macaluso, Frank; Larson, Daniel R.; Condeelis, John; Yeung, Yee-Guide; Stanley, E. Richard

    2005-01-01

    Macrophage actin-associated tyrosine phosphorylated protein (MAYP) belongs to the Pombe Cdc15 homology (PCH) family of proteins involved in the regulation of actin-based functions including cell adhesion and motility. In mouse macrophages, MAYP is tyrosine phosphorylated after activation of the colony-stimulating factor-1 receptor (CSF-1R), which also induces actin reorganization, membrane ruffling, cell spreading, polarization, and migration. Because MAYP associates with F-actin, we investigated the function of MAYP in regulating actin organization in macrophages. Overexpression of MAYP decreased CSF-1–induced membrane ruffling and increased filopodia formation, motility and CSF-1-mediated chemotaxis. The opposite phenotype was observed with reduced expression of MAYP, indicating that MAYP is a negative regulator of CSF-1–induced membrane ruffling and positively regulates formation of filopodia and directional migration. Overexpression of MAYP led to a reduction in total macrophage F-actin content but was associated with increased actin bundling. Consistent with this, purified MAYP bundled F-actin and regulated its turnover in vitro. In addition, MAYP colocalized with cortical and filopodial F-actin in vivo. Because filopodia are postulated to increase directional motility by acting as environmental sensors, the MAYP-stimulated increase in directional movement may be at least partly explained by enhancement of filopodia formation. PMID:15788569

  7. Sandstone-body structures and ephemeral stream processes in the Dinosaur Canyon Member, Moenave Formation (Lower Jurassic), Utah, U.S.A.

    NASA Astrophysics Data System (ADS)

    Olsen, Henrik

    1989-02-01

    Studies of fluvial sandstone-body structures in the Lower Jurassic Dinosaur Canyon Member suggest a threefold subdivision of the ephemeral stream deposits. Sandstone-sheets with interbedded siltstones are less than 1 m thick and laterally extensive for hundreds of metres. They are interpreted as sheetflood deposits. Simple channel sandstone-bodies are a few metres thick and a few tens of metres wide. They reflect solitary channel incision, episodic migration and plugging. Multistorey channel sandstone-bodies are a few metres thick and laterally extensive for hundreds of metres. They are composed of several channel-shaped storeys and exhibit only local incision. The multistorey sandstone-bodies are interpreted as braided ephemeral stream deposits. Two sandstone-sheet subtypes with grooves and mounds, respectively, are interpreted as intermediate between the sheetflood deposits and solitary incised channel deposits on one hand and between sheetflood deposits and braided stream deposits on the other hand. The solitary channels and braided streams are accordingly interpreted to be initiated from sheetfloods through differential erosion and differential deposition, respectively. This model of channel evolution from sheetfloods is probably applicable to other semiarid and arid fluvial environments dominated by surface runoff.

  8. Systematic analysis of O-methyltransferase gene family and identification of potential members involved in the formation of O-methylated flavonoids in Citrus.

    PubMed

    Liu, Xiaogang; Luo, Yan; Wu, Hongkun; Xi, Wanpeng; Yu, Jie; Zhang, Qiuyun; Zhou, Zhiqin

    2016-01-10

    The O-methylation of various secondary metabolites is mainly catalyzed by S-adenosyl-l-methionine (SAM)-dependent O-methyltransferase (OMT) proteins that are encoded by the O-methyltransferase gene family. Citrus fruits are a rich source of O-methylated flavonoids that have a broad spectrum of biological activities, including anti-inflammatory, anticarcinogenic, and antiatherogenic properties. However, little is known about this gene family and its members that are involved in the O-methylation of flavonoids and their regulation in Citrus. In this study, 58 OMT genes were identified from the entire Citrus sinensis genome and compared with those from 3 other representative dicot plants. A comprehensive analysis was performed, including functional/substrate predictions, identification of chromosomal locations, phylogenetic relationships, gene structures, and conserved motifs. Distribution mapping revealed that the 58 OMT genes were unevenly distributed on the 9 citrus chromosomes. Phylogenetic analysis of 164 OMT proteins from C.sinensis, Arabidopsis thaliana, Populus trichocarpa, and Vitis vinifera showed that these proteins were categorized into group I (COMT subfamily) and group II (CCoAOMT subfamily), which were further divided into 10 and 2 subgroups, respectively. Finally, digital gene expression and quantitative real-time polymerase chain reaction analyses revealed that citrus OMT genes had distinct temporal and spatial expression patterns in different tissues and developmental stages. Interestingly, 18 and 11 of the 27 genes predicted to be involved in O-methylation of flavonoids had higher expression in the peel and pulp during fruit development, respectively. The citrus OMT gene family identified in this study might help in the selection of appropriate candidate genes and facilitate functional studies in Citrus.

  9. Systematic analysis of O-methyltransferase gene family and identification of potential members involved in the formation of O-methylated flavonoids in Citrus.

    PubMed

    Liu, Xiaogang; Luo, Yan; Wu, Hongkun; Xi, Wanpeng; Yu, Jie; Zhang, Qiuyun; Zhou, Zhiqin

    2016-01-10

    The O-methylation of various secondary metabolites is mainly catalyzed by S-adenosyl-l-methionine (SAM)-dependent O-methyltransferase (OMT) proteins that are encoded by the O-methyltransferase gene family. Citrus fruits are a rich source of O-methylated flavonoids that have a broad spectrum of biological activities, including anti-inflammatory, anticarcinogenic, and antiatherogenic properties. However, little is known about this gene family and its members that are involved in the O-methylation of flavonoids and their regulation in Citrus. In this study, 58 OMT genes were identified from the entire Citrus sinensis genome and compared with those from 3 other representative dicot plants. A comprehensive analysis was performed, including functional/substrate predictions, identification of chromosomal locations, phylogenetic relationships, gene structures, and conserved motifs. Distribution mapping revealed that the 58 OMT genes were unevenly distributed on the 9 citrus chromosomes. Phylogenetic analysis of 164 OMT proteins from C.sinensis, Arabidopsis thaliana, Populus trichocarpa, and Vitis vinifera showed that these proteins were categorized into group I (COMT subfamily) and group II (CCoAOMT subfamily), which were further divided into 10 and 2 subgroups, respectively. Finally, digital gene expression and quantitative real-time polymerase chain reaction analyses revealed that citrus OMT genes had distinct temporal and spatial expression patterns in different tissues and developmental stages. Interestingly, 18 and 11 of the 27 genes predicted to be involved in O-methylation of flavonoids had higher expression in the peel and pulp during fruit development, respectively. The citrus OMT gene family identified in this study might help in the selection of appropriate candidate genes and facilitate functional studies in Citrus. PMID:26407870

  10. Taphonomy and depositional environment of a Lower Cretaceous monospecific dinosaur bone assemblage (Puesto Quiroga Member, Lohan Cura Formation), Neuquén Province, Argentina

    NASA Astrophysics Data System (ADS)

    Garrido, Alberto Carlos; Salgado, Leonardo

    2015-08-01

    The Puesto Díaz Quarry (Lohan Cura Formation, Lower Cretaceous of Neuquén Basin, Argentina) consists of a monospecific dinosaur bone assemblage that includes 126 specimens from, at least, three individuals of the rebbachisaurid sauropod Comahuesaurus windhauseni. The bonebed was originated as a debris flow of an ephemeral-river bed, in distal areas of low relief. Bones are disarticulated, three-dimensionally distributed through the host facies, showing a normal grading arrangement, which can be correlated with the size, shape and hydraulic behavior inferred for each specimen. Taphonomic evidence suggests that the bones did not experience a prolonged transport, and that these were quickly buried by the debris flow event. The fact that there are more than one individual of the same species suggests a mass mortality by a catastrophic event. Scattered skeletal elements would indicate that the corpses must have been subaerially exposed, long enough to allow disarticulation by scavenging, decay, and defleshing.

  11. Comparison of abundances of chemical elements in mineralized and unmineralized sandstone of the Brushy Basin Member of the Morrison Formation, Smith Lake District, Grants uranium region, New Mexico

    USGS Publications Warehouse

    Pierson, C.T.; Spirakis, C.S.; Robertson, J.F.

    1983-01-01

    Statistical treatment of analytical data from the Mariano Lake and Ruby uranium deposits in the Smith Lake district, New Mexico, indicates that organic carbon, arsenic, barium, calcium, cobalt, copper, gallium, iron, lead, manganese, molybdenum, nickel, selenium, strontium, sulfur, vanadium, yttrium, and zirconium are concentrated along with uranium in primary ore. Comparison of the Smith Lake data with information from other primary deposits in the Grants uranium region and elsewhere in the Morrison Formation of the Colorado Plateau suggests that these elements, with the possible exceptions of zirconium and gallium and with the probable addition of aluminum and magnesium, are typically associated with primary, tabular uranium deposits. Chemical differences between the Ruby and Mariano Lake deposits are consistent with the interpretation that the Ruby deposit has been more affected by post-mineralization oxidizing solutions than has the Mariano Lake deposit.

  12. The structure of the deacetylase domain of Escherichia coli PgaB, an enzyme required for biofilm formation: a circularly permuted member of the carbohydrate esterase 4 family.

    PubMed

    Nishiyama, Takashi; Noguchi, Hiroki; Yoshida, Hisashi; Park, Sam Yong; Tame, Jeremy R H

    2013-01-01

    Bacterial biofilm formation is an extremely widespread phenomenon involving the secretion of a protective exopolysaccharide matrix which helps the bacteria to attach to surfaces and to overcome a variety of stresses in different environments. This matrix may also include proteins, lipids, DNA and metal ions. Its composition depends on the bacterial species and growth conditions, but one of the most widely found components is polymeric β-1,6-N-acetyl-D-glucosamine (PGA). Several studies have suggested that PGA is an essential component of biofilm and it is produced by numerous bacteria, including Escherichia coli, Staphylococcus epidermis, Yersinia pestis, Bordetella spp. and Actinobacillus spp. In E. coli, PGA production and export are dependent on four genes that form a single operon, pgaABCD, which appears to have been transferred between various species. Biofilms themselves are recognized as environments in which such horizontal gene transfer may occur. The pga operon of E. coli, which is even found in innocuous laboratory strains, is highly homologous to that from the plague bacterium Yersinia pestis, and biofilm is believed to play an important role in the transmission of Yersinia. The crystal structure of the N-terminal domain of PgaB, which has deacetylase activity, is described and compared with models of other deacetylases. PMID:23275162

  13. 3-D sedimentological and geophysical studies of clastic reservoir analogs: Facies architecture, reservoir properties, and flow behavior within delta front facies elements of the Cretaceous Wall Creek Member, Frontier Formation, Wyoming

    SciTech Connect

    Janok P. Bhattacharya; George A. McMechan

    2007-02-16

    This project examined the internal architecture of delta front sandstones at two locations within the Turonian-age Wall Creek Member of the Frontier Formation, in Wyoming. The project involved traditional outcrop field work integrated with core-data, and 2D and 3D ground penetrating radar (GPR) imaging from behind the outcrops. The fluid-flow engineering work, handled through a collaborative grant given to PI Chris White at LSU, focused on effects on fluid flow of late-stage calcite cement nodules in 3D. In addition to the extensive field component, the work funded 2 PhD students (Gani and Lee) and resulted in publication of 10 technical papers, 17 abstracts, and 4 internal field guides. PI Bhattacharya also funded an additional 3 PhD students that worked on the Wall Creek sandstone funded separately through an industrial consortium, two of whom graduated in the fall 2006 ((Sadeque and Vakarelov). These additional funds provided significant leverage to expand the work to include a regional stratigraphic synthesis of the Wall Creek Member of the Frontier Formation, in addition to the reservoir-scale studies that DOE directly funded. Awards given to PI Bhattacharya included the prestigious AAPG Distinguished Lecture Award, which involved a tour of about 25 Universities and Geological Societies in the US and Canada in the fall of 2005 and Spring of 2006. Bhattacharya gave two talks, one entitled “Applying Deltaic and Shallow Marine Outcrop Analogs to the Subsurface”, which highlighted the DOE sponsored work and the other titled “Martian River Deltas and the Origin of Life”. The outcrop analog talk was given at about 1/2 of the venues visited.

  14. Variations in fluvial deposition on an alluvial plain: an example from the Tongue River Member of the Fort Union Formation (Paleocene), southeastern Powder River Basin, Wyoming, U.S.A.

    USGS Publications Warehouse

    Johnson, E.A.; Pierce, F.W.

    1990-01-01

    The Tongue River Member of the Paleocene Fort Union Formation is an important coal-bearing sedimentary unit in the Powder River Basin of Wyoming and Montana. We studied the depositional environments of a portion of this member at three sites 20 km apart in the southeastern part of the basin. Six lithofacies are recognized that we assign to five depositional facies categorized as either channel or interchannel-wetlands environments. (1) Type A sandstone is cross stratified and occurs as lenticular bodies with concave-upward basal surfaces; these bodies are assigned to the channel facies interpreted to be the product of low-sinuosity streams. (2) Type B sandstone occurs in parallel-bedded units containing mudrock partings and fossil plant debris; these units constitute the levee facies. (3) Type C sandstone typically lacks internal structure and occurs as tabular bodies separating finer grained deposits; these bodies represent the crevasse-splay facies. (4) Gray mudrock is generally nonlaminated and contains ironstone concretions; these deposits constitute the floodplain facies. (5) Carbonaceous shale and coal are assigned to the swamp facies. We recognize two styles of stream deposition in our study area. Laterally continuous complexes of single and multistoried channel bodies occur at our middle study site and we interpret these to be the deposits of sandy braided stream systems. In the two adjacent study sites, single and multistoried channel bodies are isolated in a matrix of finer-grained interchannel sediment suggesting deposition by anastomosed streams. A depositional model for our study area contains northwest-trending braided stream systems. Avulsions of these systems created anastomosed streams that flowed into adjacent interchannel areas. We propose that during late Paleocene a broad alluvial plain existed on the southeastern flank of the Powder River Basin. The braided streams that crossed this surface were tributaries to a northward-flowing, basin

  15. The archaeal COG1901/DUF358 SPOUT-methyltransferase members, together with pseudouridine synthase Pus10, catalyze the formation of 1-methylpseudouridine at position 54 of tRNA.

    PubMed

    Chatterjee, Kunal; Blaby, Ian K; Thiaville, Patrick C; Majumder, Mrinmoyee; Grosjean, Henri; Yuan, Y Adam; Gupta, Ramesh; de Crécy-Lagard, Valérie

    2012-03-01

    The methylation of pseudouridine (Ψ) at position 54 of tRNA, producing m(1)Ψ, is a hallmark of many archaeal species, but the specific methylase involved in the formation of this modification had yet to be characterized. A comparative genomics analysis had previously identified COG1901 (DUF358), part of the SPOUT superfamily, as a candidate for this missing methylase family. To test this prediction, the COG1901 encoding gene, HVO_1989, was deleted from the Haloferax volcanii genome. Analyses of modified base contents indicated that while m(1)Ψ was present in tRNA extracted from the wild-type strain, it was absent from tRNA extracted from the mutant strain. Expression of the gene encoding COG1901 from Halobacterium sp. NRC-1, VNG1980C, complemented the m(1)Ψ minus phenotype of the ΔHVO_1989 strain. This in vivo validation was extended with in vitro tests. Using the COG1901 recombinant enzyme from Methanocaldococcus jannaschii (Mj1640), purified enzyme Pus10 from M. jannaschii and full-size tRNA transcripts or TΨ-arm (17-mer) fragments as substrates, the sequential pathway of m(1)Ψ54 formation in Archaea was reconstituted. The methylation reaction is AdoMet dependent. The efficiency of the methylase reaction depended on the identity of the residue at position 55 of the TΨ-loop. The presence of Ψ55 allowed the efficient conversion of Ψ54 to m(1)Ψ54, whereas in the presence of C55, the reaction was rather inefficient and no methylation reaction occurred if a purine was present at this position. These results led to renaming the Archaeal COG1901 members as TrmY proteins.

  16. Formation of 6-, 7- or 8-membered ring intra-side-chain NH rad O hydrogen bond toward Ca-binding oxyanion in poly(allylaminocarboxylate) ligands stabilizes CaCO 3 vaterite crystals

    NASA Astrophysics Data System (ADS)

    Takahashi, Kazuyuki; Doi, Mototsugu; Kobayashi, Atsuko; Taguchi, Takahisa; Onoda, Akira; Okamura, Taka-aki; Yamamoto, Hitoshi; Ueyama, Norikazu

    2004-03-01

    Novel poly(allylaminocarboxylate) ligands, which have a carboxylate and the neighboring amide group in the same side-chain, were synthesized as model ligands for crystalline CaCO3 biominerals. Poly{N-allyl-malonamate}, poly{N-allyl-succinamate} and poly{4-allylcarbamoyl-butyrate} form 6-, 7- or 8-membered ring intra-side-chain NHrad O hydrogen bonds, respectively, between the carboxylate and the neighboring amide NH in the carboxylate anion state, although the formation of each intra-side-chain NHrad O hydrogen bond is independent on the stereoisomers of the polymer main-chain. In the polymer ligand-CaCO3 composites, strong binding of polymer ligands to CaCO3 crystals is caused by stabilizing a Ca-O (carboxylate) bond due to the pKa shift of carboxylic acid by the NHrad O hydrogen bond. Furthermore, the strong Ca binding in CaCO3 composites stabilizes the meta-stable morphology of CaCO3 vaterite crystals.

  17. Traces in the dark: sedimentary processes and facies gradients in the upper shale member of the Upper Devonian-Lower Mississippian Bakken Formation, Williston Basin, North Dakota, U.S.A.

    USGS Publications Warehouse

    Egenhoff, Sven O.; Fishman, Neil S.

    2013-01-01

    Black, organic-rich rocks of the upper shale member of the Upper Devonian–Lower Mississippian Bakken Formation, a world-class petroleum source rock in the Williston Basin of the United States and Canada, contain a diverse suite of mudstone lithofacies that were deposited in distinct facies belts. The succession consists of three discrete facies associations (FAs). These comprise: 1) siliceous mudstones; 2) quartz- and carbonate-bearing, laminated mudstones; and 3) macrofossil-debris-bearing massive mudstones. These FAs were deposited in three facies belts that reflect proximal to distal relationships in this mudstone system. The macrofossil-debris-bearing massive mudstones (FA 3) occur in the proximal facies belt and contain erosion surfaces, some with overlying conodont and phosphate–lithoclast lag deposits, mudstones with abundant millimeter-scale siltstone laminae showing irregular lateral thickness changes, and shell debris. In the medial facies belt, quartz- and carbonate-bearing, laminated mudstones dominate, exhibiting sub-millimeter-thick siltstone layers with variable lateral thicknesses and localized mudstone ripples. In the distal siliceous mudstone facies belt, radiolarites, radiolarian-bearing mudstones, and quartz- and carbonate-bearing, laminated mudstones dominate. Overall, total organic carbon (TOC) contents range between about 3 and 10 wt %, with a general proximal to distal decrease in TOC content. Abundant evidence of bioturbation exists in all FAs, and the lithological and TOC variations are paralleled by changes in burrowing style and trace-fossil abundance. While two horizontal traces and two types of fecal strings are recognized in the proximal facies belt, only a single horizontal trace fossil and one type of fecal string characterize mudstones in the distal facies belt. Radiolarites intercalated into the most distal mudstones are devoid of traces and fecal strings. Bedload transport processes, likely caused by storm-induced turbidity

  18. PSI Member Profile.

    ERIC Educational Resources Information Center

    Professional Secretaries International, Kansas City, MO.

    A survey of 2,700 of the 27,000 members of Professional Secretaries International received 755 responses yielding the following profile of secretarial workers: (1) the average member is female, about 45 years old, married with no dependents living at home, and owns a single-family home in the suburbs; (2) most respondents have worked in office or…

  19. Collapsable seal member

    SciTech Connect

    Sherrell, D.L.

    1983-12-08

    A hollow, collapsable seal member normally disposed in a natural expanded state offering fail-safe pressure sealing against a seating surface and adapted to be evacuated by a vacuum force for collapsing the seal member to disengage the same from said seating surface.

  20. Collapsable seal member

    DOEpatents

    Sherrell, Dennis L.

    1990-01-01

    A hollow, collapsable seal member normally disposed in a natural expanded state offering fail-safe pressure sealing against a seating surface and adapted to be evacuated by a vacuum force for collapsing the seal member to disengage the same from said seating surface.

  1. User Working Group Members

    Atmospheric Science Data Center

    2014-04-29

    ... Charles Ichoku Member NASA Goddard Space Flight Center (GSFC) charles.ichoku@nasa.gov Brian Kahn ... Hal Maring SMD Representative NASA Headquarters Program Scientist hal.maring@nasa.gov   ASDC ...

  2. Experimental study of shortite (Na2Ca2(CO3)3) formation and application to the burial history of the Wilkins Peak Member, Green River Basin, Wyoming, USA

    NASA Astrophysics Data System (ADS)

    Jagniecki, Elliot A.; Jenkins, David M.; Lowenstein, Tim K.; Carroll, Alan R.

    2013-08-01

    The temperature at which shortite (Na2Ca2(CO3)3) forms from pirssonite (Na2Ca(CO3)2·2H2O) and calcite using pure synthetic phases in the system Na2CO3-CaCO3-H2O has been experimentally determined. At ˜1 atm pressure, shortite forms via the reaction Na2Ca(CO3)2·2H2O + CaCO3 = Na2Ca2(CO3)3 + 2H2O above 55 ± 2 °C. This equilibrium temperature is lower than determined previously (90 ± 25 °C) by Bradley and Eugster (1969). The solution in equilibrium with synthetic shortite, pirssonite, and calcite approximates a binary H2O-Na2CO3 brine with 1.1 m Na2CO3 (10.6 wt% Na2CO3). The equilibrium temperature is lowered to 52 ± 2 °C with 5 m NaCl added to the system, which shows that this reaction is weakly dependent on the activity of H2O, aO. This study suggests that shortite does not occur in surficial alkaline saline environments because temperatures are too low. Shortite is abundant in the Wilkins Peak Member (WPM) of the Eocene Green River Formation, Green River Basin, Wyoming, USA (>78 million tons/km2), where it occurs as diagenetic displacive crystals, fracture fills, and pseudomorphous replacements of a precursor Na-Ca-carbonate. The large area over which shortite occurs in the WPM indicates that saline pore fluids once existed in the buried lacustrine sediments, and thus, at times, large Na-CO3-rich saline alkaline lakes or laterally extensive saline groundwaters existed in the Green River Basin during WPM time. The thermal stability of shortite, together with vitrinite reflectance data and inferred regional geothermal gradients, establish that the shortite-bearing intervals of the WPM were buried to maximum depths of ˜1000 m in the Green River Basin, and since experienced ˜800 m of erosional exhumation.

  3. Genetic and Sequence Analysis of the pTiC58 trb Locus, Encoding a Mating-Pair Formation System Related to Members of the Type IV Secretion Family

    PubMed Central

    Li, Pei-Li; Everhart, Dawn M.; Farrand, Stephen K.

    1998-01-01

    Conjugal transfer of pTiC58 requires two regions, tra which contains the oriT and several genes involved in DNA processing and a region of undefined size and function that is located at the 2-o’clock position of the plasmid. Using transposon mutagenesis with Tn3HoHo1 and a binary transfer system, we delimited this second region, called trb, to an 11-kb interval between the loci for vegetative replication and nopaline catabolism. DNA sequence analysis of this region identified 13 significant open reading frames (ORFs) spanning 11,003 bp. The first, encoding traI, already has been described and is responsible for the synthesis of Agrobacterium autoinducer (AAI) (I. Hwang, P.-L. Li, L. Zhang, K. R. Piper, D. M. Cook, M. E. Tate, and S. K. Farrand, Proc. Natl. Acad. Sci. USA 91:4639–4643, 1994). Translation products of the next 11 ORFs showed similarities to those of trbB, -C, -D, -E, -J, -K, -L, -F, -G, -H, and -I of the trb region of the octopine-type Ti plasmid pTi15955 and of the tra2 core region of RP4. In RP4, these genes encode mating-pair formation functions and are essential for the conjugal transfer of the IncP plasmid. Each of the trb gene homologues is oriented counterclockwise on the Ti plasmid. Expression of these genes, as measured by using the lacZ fusions formed by Tn3HoHo1, required the traI promoter and the transcriptional activator TraR along with its coinducer, AAI. While related to that of RP4, the trb system of pTiC58 did not allow propagation of the trb-specific bacteriophages PRD1, PRR1, and Pf3. The products of several trb genes of the Ti plasmid are similar to those of other loci that encode DNA transfer or protein secretion systems, all of which are members of the type IV secretion family. PMID:9829924

  4. Intensifying the Group Member's Experience Using the Group Log.

    ERIC Educational Resources Information Center

    Valine, Warren J.

    1983-01-01

    Presents the use of a group log in which members analyze the content and process of each session using a suggested format. The log promotes dialogue between the leader and each group member and involves members more fully in the group process. Feedback indicates the log is valuable. (JAC)

  5. 3D Sedimentological and geophysical studies of clastic reservoir analogs: Facies architecture, reservoir properties, and flow behavior within delta front facies elements of the Cretaceous Wall Creek Member, Frontier Formation, Wyoming

    SciTech Connect

    Christopher D. White

    2009-12-21

    rock types (\\Eg sandstones and mudstones) and the variation of transport properties (\\Eg permeability and porosity) within bodies of a particular rock type. Both basin-wide processes such as sea-level change and the autocyclicity of deltaic processes commonly cause deltaic reservoirs to have large variability in rock properties; in particular, alternations between mudstones and sandstones may form baffles and trends in rock body permeability can influence productivity and recovery efficiency. In addition, diagenetic processes such as compaction, dissolution, and cementation can alter the spatial pattern of flow properties. A better understanding of these properties, and improved methods to model the properties and their effects, will allow improved reservoir development planning and increased recovery of oil and gas from deltaic reservoirs. Surface exposures of ancient deltaic rocks provide a high resolution, low uncertainty view of subsurface variability. Patterns and insights gleaned from these exposures can be used to model analogous reservoirs, for which data is much sparser. This approach is particularly attractive when reservoir formations are exposed at the surface. The Frontier Formation in central Wyoming provides an opportunity for high resolution characterization. The same rocks exposed in the vicinity of the Tisdale anticline are productive in nearby oil fields, including Salt Creek. Many kilometers of good-quality exposure are accessible, and the common bedding-plane exposures allow use of shallow-penetration, high-resolution electromagnetic methods known as ground-penetrating radar. This study combined geologic interpretations, maps, vertical sections, core data, and ground-penetrating radar to construct high-resolution geostatistical and flow models for the Wall Creek Member of the Frontier Formation. Stratal-conforming grids were use to reproduce the progradational and aggradational geometries observed in outcrop and radar data. A new, Bayesian method

  6. Mistakes Board Members Make.

    ERIC Educational Resources Information Center

    Caruso, Nicholas D., Jr.

    2001-01-01

    Board members should avoid 10 common errors: losing patience, behaving badly, challenging the board after a vote, acting like inspectors, micromanaging school administrators, springing surprise questions at meetings, putting politics before children, representing special interests, violating executive session, and putting the board before family…

  7. Mineralogical characterization of strata of the Meade Peak phosphatic shale member of the Permian Phosphoria Formation: channel and individual rock samples of measured section J and their relationship to measured sections A and B, central part of Rasmussen Ridge, Caribou County, Idaho

    USGS Publications Warehouse

    Knudsen, A.C.; Gunter, M.E.; Herring, J.R.; Grauch, R.I.

    2002-01-01

    The Permian Phosphoria Formation of southeastern Idaho hosts one of the largest phosphate deposits in the world. Despite the economic significance of this Formation, the fine-grained nature of the phosphorite has discouraged detailed mineralogical characterization and quantification studies. Recently, selenium and other potentially toxic trace elements in mine wastes have drawn increased attention to this formation, and motivated additional study. This study uses powder X-ray diffraction (XRD), with Rietveld quantification software, to quantify and characterize the mineralogy of composite channel samples and individual samples collected from the stratigraphic sections measured by the U.S. Geological Survey in the Meade Peak Member of the Permian Phosphoria Formation at the Enoch Valley mine on Rasmussen Ridge, approximately 15 miles northeast of Soda Springs, Idaho.

  8. Policymaking: A Challenge for School Board Members.

    ERIC Educational Resources Information Center

    Anderson, Ellen, Ed.

    This booklet consists of seven articles intended to introduce new school board members in Texas to the formation and implementation of educational policy, with particular emphasis on the legal requirements governing policy-making and other school board activities. The articles include the following: "Policy Development: An Overview," by Richard L.…

  9. Supporting Members and Friends

    NASA Astrophysics Data System (ADS)

    2005-10-01

    Thank you! Over the past year, AGU has received 12,104 gifts, both large and small, from members and friends. The Union has also received corporate contributions, National Science Foundation grants, and support from the National Oceanographic Partnership Program and National Association of Geoscience Teachers. Together their generosity has benefited AGU non revenue producing programs that are critical to our science and the future health of the Union. The following list gratefully acknowledges annual gifts of $100 or more and cumulative giving of $5,000 or more. The 1919 Society ($100,000 or more) and Benefactors ($5,000-$99,999) recognize single major gifts and cumulative contributions. Three circles acknowledge annual giving: President's Circle ($1,000 or more), Leadership Circle ($200-$999), and Supporters Circle ($100-$199). Supporting Life Members, who contribute a one-time gift of $1,200 in addition to lifetime dues, are among our most loyal Supporters.

  10. Supporting Members and Friends

    NASA Astrophysics Data System (ADS)

    2004-09-01

    Thank you! Over the past 20 months AGU has received a record 22,159 gifts, both large and small, from members and friends. The Union has also received corporate contributions, National Science Foundation grants, and support from four federal agencies (NASA, NOAA, EPA, and USGS). Together their generosity has benefited AGU non-revenue producing programs that are critical to our science and the future health of the Union. The following list gratefully acknowledges annual gifts of $100 or more and cumulative giving of $5000 or more. The 1919 Society ($100,000+) and Benefactors ($5,000-$99,999) recognize single major and cumulative contributions. Three circles acknowledge annual giving: President's Circle ($1,000 or more), Leadership Circle ($250-$999), and Supporters Circle ($100-$249). Supporting Life Members, who contribute a one-time gift of $1,200 in addition to lifetime dues, are recognized as our most loyal Supporters.

  11. [Comment on] BOSP members

    NASA Astrophysics Data System (ADS)

    Richman, Barbara T.

    The new Board on Ocean Science and Policy (BOSP) (Eos, June 7, 1983, p. 402) met for the first time on May 4. John B. Slaughter, former director of the National Science Foundation and now chancellor of the University of Maryland in College Park, is the board's chairman. Other board members are D. James Baker, Jr. (University of Washington, Seattle); Kirk Bryan (Geophysical Fluid Dynamics Laboratory, Princeton University); John P. Craven (University of Hawaii); Charles L. Drake (Dartmouth College); Paul M. Fye (Woods Hole Oceanographic Institution); Edward D. Goldberg (Scripps Institution of Oceanography); G. Ross Heath (Oregon State University); Judith T. Kildow (Massachusetts Institute of Technology); John A. Knauss (University of Rhode Island); James J. McCarthy (Museum of Comparative Zoology, Harvard University); H. William Menard (Scripps Institution of Oceanography); C. Barry Raleigh (Lamont-Doherty Geological Observatory); Roger Revelle (University of California, San Diego); David A. Ross (Woods Hole Oceanographic Institution); Brian J. Rothschild (University of Maryland); William M. Sackett (University of South Florida); John H. Steele (Woods Hole Oceanographic Institution); and Carl Wunsch (MIT). Wallace Broecker (Lamont-Doherty Geological Observatory), an original board member, resigned after the first meeting. Broecker told Eos that combining the science and policy boards resulted in a new board whose mission is too broad. A new board member will be appointed in Broecker's place

  12. Cryogenic support member

    DOEpatents

    Niemann, Ralph C.; Gonczy, John D.; Nicol, Thomas H.

    1987-01-01

    A cryogenic support member is comprised of a non-metallic rod having a depression in at least one end and a metallic end connection assembled to the rod. The metallic end connection comprises a metallic plug which conforms to the shape and is disposed in the depression and a metallic sleeve is disposed over the rod and plug. The plug and the sleeve are shrink-fitted to the depression in the rod to form a connection good in compression, tension and bending.

  13. The lipopolysaccharide-binding protein participating in hemocyte nodule formation in the silkworm Bombyx mori is a novel member of the C-type lectin superfamily with two different tandem carbohydrate-recognition domains.

    PubMed

    Koizumi, N; Imamura, M; Kadotani, T; Yaoi, K; Iwahana, H; Sato, R

    1999-01-25

    We recently isolated and characterized the lipopolysaccharide (LPS)-binding protein, BmLBP, from the larval hemolymph of the silkworm Bombyx mori. BmLBP is a pattern recognition molecule that recognizes the lipid A portion of LPS and participates in a cellular defense reaction. This paper describes the cDNA cloning of BmLBP. The deduced amino acid sequence of BmLBP revealed that BmLBP is a novel member of the C-type lectin superfamily with a unique structural feature that consists of two different carbohydrate-recognition domains in tandem, a short and a long form. PMID:9989592

  14. 21. Typical lower chord tension member and diagonal tension member ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    21. Typical lower chord tension member and diagonal tension member pinning. View is of north side of 3rd span looking west. - Cleves Bridge, Spanning Great Miami River on U.S. Highway 50, Cleves, Hamilton County, OH

  15. Melt containment member

    SciTech Connect

    Rieken, Joel R.; Heidloff, Andrew J.

    2014-09-09

    A tubular melt containment member for transient containment of molten metals and alloys, especially reactive metals and alloys, includes a melt-contacting layer or region that comprises an oxygen-deficient rare earth oxide material that is less reactive as compared to the counterpart stoichiometric rare earth oxide. The oxygen-deficient (sub-stoichiometric) rare earth oxide can comprise oxygen-deficient yttria represented by Y.sub.2O.sub.3-x wherein x is from 0.01 to 0.1. Use of the oxygen-deficient rare earth oxide as the melt-contacting layer or region material reduces reaction with the melt for a given melt temperature and melt contact time.

  16. Preliminary lithostratigraphic correlation study in OAPEC member countries

    SciTech Connect

    Lababidi, M.M.; Hamdan, A.N.

    1985-01-01

    This book examines a study correlating rock units in the Middle Eastern and North African member countries, based on direct information from the members. It comprises Paleozoic, Mesozoic, and Cenozoic correlation charts for each region and a lexicon giving the definition, age, lithology, and equivalents of each formation.

  17. Taphonomy and paleoecology of nonmarine mollusca: indicators of alluvial plain lacustrine sedimentation, upper part of the Tongue River Member, Fort Union Formation ( Paleocene), Northern Powder River Basin, Wyoming and Montana ( USA).

    USGS Publications Warehouse

    Hanley, J.H.; Flores, R.M.

    1987-01-01

    The composition, species abundances, and spatial and temporal distributions of mollusc assemblages were controlled by the environments in which they lived and the depositional processes that affected the molluscs after death and before final burial. Post-mortem transport, reworking and concentration of shells, and mixing of faunal elements from discrete habitats produced a taphonomic 'overprint' on assemblage characteristics that directly reflects the processes of alluvial plain and floodbasin lacustrine sedimentation. The 'overprint' can be interpreted from outcrop analysis of molluscan biofabric, which consists of: 1) orientation, fragmentation, size-sorting, abrasion, density, and dispersion of shells, 2) the nature and extent of shell-infilling, and 3) ratio of articulated to disarticulated bivalves. Taphonomic characteristics were used with sedimentological properties to differentiate in-place, reworked, transported, and ecologically mixed mollusc assemblages. This study also defines the paleoecology of habitat preferences of mollusc species as a basis for recognition of the environments in which these assemblages were deposited: 1) large floodbasin lakes, 2) small floodbasin lakes, and 3) crevasse deltas and splays. Integration of sedimentology and paleoecology provides an interdisciplinary approach to the interpretation of alluvial environments through time in the Tongue River Member. -Authors

  18. Age of Lucy and the First Family: Single-crystal 40Ar/39Ar dating of the Denen Dora and lower Kada Hadar members of the Hadar Formation, Ethiopia

    NASA Astrophysics Data System (ADS)

    Walter, Robert C.

    1994-01-01

    Single-crystal laser-fusion 40Ar/39Ar analyses on previously undatable tephra deposits provide the first reliable dates for the important hominid fossils popularly called "Lucy" and the "First Family,"here dated to 3.18 and 3.20 Ma, respectively. These results help to establish an age framework for hominid and biostratigraphic evolution for the fossil-rich Hadar Formation. The abundance of well-preserved vertebrate fossils at Hadar can be attributed, in part, to an unusually high sediment-accumulation rate of approximately 80 cm/ka, which might be due to increased tectonic subsidence of the Hadar basin between 3.4 and 3.2 Ma. The new dates also provide supportive evidence that the boundary ages for the Kaena and Mammoth subchrons, of the geomagnetic polarity time scale, need to be increased by as much as 4% to 5%.

  19. Latch ring for connecting tubular member

    SciTech Connect

    Milberger, L.J.

    1991-06-04

    This patent describes a device for releasably locking an inner member well bore of a tubular outer member, comprising a combination of a grooved inner member profile formed on the exterior of the inner member; a grooved outer member profile formed in the bore of the outer member; a split ring carried by the inner member the ring having a grooved outer profile on its exterior mates with the outer member profile; and the inner member being axially movable.

  20. Profile Report: ASHA Member Survey.

    ERIC Educational Resources Information Center

    Weinberg, Armin D.; And Others

    1981-01-01

    The American School Health Association (ASHA) surveyed its members who were nurses to identify their needs for improved member programs and services. Recommendations include that the needs of both school-based nurses and those with administrative roles be considered independently for annual meeting programs. (JN)

  1. Who Are Extension Council Members?

    ERIC Educational Resources Information Center

    Oberle, Wayne H.

    1970-01-01

    Many Extension Council members were recommended by associates or friends, a procedure that contributed to homogeneity in council membership. Such homogeneity may make it difficult for council members to perceive problems of clientele with characteristics or attitudes different from their own. (DM)

  2. 17 CFR 190.09 - Member property.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 17 Commodity and Securities Exchanges 1 2010-04-01 2010-04-01 false Member property. 190.09... Member property. (a) Member property. “Member property” means, in connection with a clearing organization bankruptcy, the property which may be used to pay that portion of the net equity claim of a member which...

  3. Member Takes Action Against Violence.

    ERIC Educational Resources Information Center

    Bertholf, Deedrick

    1999-01-01

    An ASBO member and chair of New York's School Emergency Response to Violent Events (SERVE) explains how this program tackles violence and teen suicide. SERVE teaches the basic principles of hostage situations, uses a confidential reporting system, and advocates safety audits and risk-reduction strategies. (MLH)

  4. Family member interventions: research challenges.

    PubMed

    Leske, J S

    1991-07-01

    Numerous descriptive studies have provided a base for developing and testing interventions for family members after a critical illness event. The challenges of designing, conducting, and using research-based interventions for families are invitation for the researcher. Critical care nurses have much to offer and do make a difference with families. Accept the challenges! PMID:2071430

  5. Ethics: views from IACUC members.

    PubMed

    Houde, Lisa; Dumas, Claude; Leroux, Thérèse

    2009-07-01

    Institutional Animal Care and Use Committee (IACUC) members were interviewed on various ethical matters, including ethics, animal ethics, science and ethics, and the use of animals in research, in order to explore their implicit ethical framework. The results revealed that IACUC members entertain rich and diverse beliefs about ethics, that are part of an implicit ethical framework which relates to different domains of knowledge, such as biology (differences between human and animals), psychology (e.g. affective relationships with pets), and so on. The results also revealed that IACUC members hold quite a restrictive view on both animal ethics and animal use in research, and that they apply implicit ethical notions, such as respect and justice, to some elements (e.g. ethical rules) of the explicit ethical framework they are provided with when performing ethical evaluations of animal use. The study suggests that IACUC members should be provided with more up-to-date information on topics such as animal ethics and animal use in research.

  6. Kentucky Hispanic School Board Members

    ERIC Educational Resources Information Center

    Ballestero, Victor; Wright, Sam

    2009-01-01

    The study was designed to provide information on Kentucky Hispanic school board members. The data was obtained from Kentucky school superintendents or their designees in the 174 public school districts through a survey mailed in the spring, 2009. The survey was mailed to Kentucky Superintendents on March 12, 2009. The follow-up survey was mailed…

  7. A School Board Member's Perspective.

    ERIC Educational Resources Information Center

    Millett, Emily

    1991-01-01

    A veteran school board member and survivor of numerous restructuring efforts recounts the Leon County (Florida) School District's experience with strategic planning. Although the process was at time chaotic, Roger Kaufman's planning model helped the board create a climate for change and develop a definitive vision and realistic action plan. (MLH)

  8. ASCLS members perceptions regarding research.

    PubMed

    Mundt, Lillian; Shanahan, Kristy

    2009-01-01

    One of the benchmarks of a profession is performing, publishing, and presenting research. However, in the Clinical Laboratory Science (CLS) profession, few manuscripts are submitted to the American Society for Clinical Laboratory Science (ASCLS) journal, Clinical Laboratory Science, on a regular basis. The problem is that perceptions regarding research, and the role of laboratory professional as researchers, held by ASCLS members may be contributing to the low number of manuscript submissions. To assess these perceptions, an anonymous Likert-scale survey was developed and delivered online using Survey Monkey. Members of ASCLS, with email addresses, were chosen to participate in this survey because they may be most likely to contribute manuscripts for a journal by their own society. About 10% of the 7,000 members who were invited by email chose to participate in this study. Most participants agreed that 1) there is important information to be gathered from research on clinical laboratory specimen results (99.6%), 2) research contributes valuable information to the body of CLS knowledge (99.2%), and 3) conducting research is one of the benchmarks of a profession (92.4%). The majority of participants felt that there are inadequate resources (68.8%) and not enough time (83%) available to conduct research in the clinical laboratory setting. Most participants recognize that many laboratory activities constitute research (86.2%), but only a few are willing to publish research findings on their own (29.2%). Those who are the most likely to publish research findings include men, university faculty, and members who are over 60 years old. University faculty are the most likely to assist others in the writing process. These results show an opportunity exists for ASCLS to foster collaborations between bench technologists and educators willing to assist with the publication process.

  9. 7 CFR 1205.328 - Alternate members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE COTTON RESEARCH AND PROMOTION Cotton Research and Promotion Order Cotton Board § 1205.328 Alternate members. An alternate member of the... member from the same cotton-producing state or region to serve in such member's place and stead of...

  10. 7 CFR 1205.328 - Alternate members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE COTTON RESEARCH AND PROMOTION Cotton Research and Promotion Order Cotton Board § 1205.328 Alternate members. An alternate member of the... member from the same cotton-producing state or region to serve in such member's place and stead of...

  11. 7 CFR 1205.328 - Alternate members.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE COTTON RESEARCH AND PROMOTION Cotton Research and Promotion Order Cotton Board § 1205.328 Alternate members. An alternate member of the... member from the same cotton-producing state or region to serve in such member's place and stead of...

  12. 7 CFR 930.28 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements... alternate member may not act in the place and stead of such member. In the event a member and his or her... group (grower or handler) as the member. In the event of the death, removal, resignation...

  13. 7 CFR 1400.208 - Family members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 10 2010-01-01 2010-01-01 false Family members. 1400.208 Section 1400.208 Agriculture... SUBSEQUENT CROP, PROGRAM, OR FISCAL YEARS Payment Eligibility § 1400.208 Family members. (a) Notwithstanding... persons, a majority of whom are family members, an adult family member who makes a...

  14. Device for inserting tubular members together

    SciTech Connect

    Milberger, L.J.

    1992-03-17

    This patent describes a well, a lower tubular member with a sealing surface located in the well, an upper tubular member which inserts into engagement with the lower tubular member during running in, the upper and lower tubular members being exposed to well fluid pressure, an improved means for sliding the upper tubular member into engagement with the lower tubular member. It comprises the upper tubular member having a first side and a second side, the second side having a sealing section which mates with the sealing surface of the lower tubular sidewall; axially spaced apart seal means located on the running tool sidewall for sealingly engaging the first side of the upper tubular member above and below the sealing section during running in, for defining a low pressure area between the running tool and the first side which is isolated from the well fluid pressure; the sealing section of the upper tubular member being exposed to well fluid pressure during running in, resulting in a pressure difference across the upper tubular member between the first side of the tubular member and the sealing section, means for eliminating the pressure difference across the upper tubular member between the first side and the sealing section after the upper tubular member has reached its engaged position with the lower tubular member, allowing the sealing section to move radially into engagement with the sealing surface. This patent also describes a method for sliding an upper tubular member into engagement with a sealing surface of a lower tubular member in a well having well fluid pressure, comprising in combination: providing the upper tubular member with a first side and a second side and providing the second side with a sealing section for mating with the sealing surface of the lower tubular member.

  15. Graphene Layer Growth: Collision of Migrating Five-MemberRings

    SciTech Connect

    Whitesides, Russell; Kollias, Alexander C.; Domin, Dominik; Lester Jr., William A.; Frenklach, Michael

    2005-12-02

    A reaction pathway is explored in which two cyclopenta groups combine on the zigzag edge of a graphene layer. The process is initiated by H addition to a five-membered ring, followed by opening of that ring and the formation of a six-membered ring adjacent to another five-membered ring. The elementary steps of the migration pathway are analyzed using density functional theory to examine the region of the potential energy surface associated with the pathway. The calculations are performed on a substrate modeled by the zigzag edge of tetracene. Based on the obtained energetics, the dynamics of the system are analyzed by solving the energy transfer master equations. The results indicate energetic and reaction-rate similarity between the cyclopenta combination and migration reactions. Also examined in the present study are desorption rates of migrating cyclopenta rings which are found to be comparable to cyclopenta ring migration.

  16. 7 CFR 1208.44 - Alternate members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE PROCESSED RASPBERRY PROMOTION, RESEARCH, AND INFORMATION ORDER Processed Raspberry Promotion, Research, and Information Order National Processed Raspberry Council § 1208.44 Alternate members. An alternate member of the Council, during...

  17. 7 CFR 1208.44 - Alternate members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE PROCESSED RASPBERRY PROMOTION, RESEARCH, AND INFORMATION ORDER Processed Raspberry Promotion, Research, and Information Order National Processed Raspberry Council § 1208.44 Alternate members. An alternate member of the Council, during...

  18. 7 CFR 985.25 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE MARKETING ORDER REGULATING THE... member's absence, (b) in the event of the member's death, removal, resignation, or...

  19. Chapter VIII: New Members and Deceased Members at the General Assemby

    NASA Astrophysics Data System (ADS)

    Montmerle, Thierry

    2015-08-01

    The following lists give the names of the 1008 new Individual Members admitted at the XVIIIth General Assembly, ordered by National Member. New National Members are indicated by an asterisk (Ethiopia, Kazakhstan, Democratic People's Republic of Korea).

  20. International Focus: Highlighting APPA Members Worldwide

    ERIC Educational Resources Information Center

    Glazner, Steve, Comp.

    2011-01-01

    While most APPA member institutions are located in the United States and Canada, there are also 45 of member institutions located internationally--from Australia and New Zealand to Southeast Asia to the Middle East to Europe. This article focuses on four of its international members: (1) American University of Kuwait (AUK); (2) American University…

  1. 7 CFR 1216.45 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE PEANUT PROMOTION, RESEARCH, AND INFORMATION ORDER Peanut Promotion, Research, and Information Order National Peanut Board § 1216.45 Alternate members. An alternate member of the Board, during the absence of the member for the primary...

  2. 7 CFR 1216.45 - Alternate members.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE PEANUT PROMOTION, RESEARCH, AND INFORMATION ORDER Peanut Promotion, Research, and Information Order National Peanut Board § 1216.45 Alternate members. An alternate member of the Board, during the absence of the member for the primary...

  3. 7 CFR 795.4 - Family members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 7 2012-01-01 2012-01-01 false Family members. 795.4 Section 795.4 Agriculture... PROVISIONS COMMON TO MORE THAN ONE PROGRAM PAYMENT LIMITATION General § 795.4 Family members. Effective for... was a “person” solely on the basis that: (a) A family member cosigns for, or makes a loan to,...

  4. 7 CFR 795.4 - Family members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 7 2013-01-01 2013-01-01 false Family members. 795.4 Section 795.4 Agriculture... PROVISIONS COMMON TO MORE THAN ONE PROGRAM PAYMENT LIMITATION General § 795.4 Family members. Effective for... was a “person” solely on the basis that: (a) A family member cosigns for, or makes a loan to,...

  5. 7 CFR 795.4 - Family members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 7 2014-01-01 2014-01-01 false Family members. 795.4 Section 795.4 Agriculture... PROVISIONS COMMON TO MORE THAN ONE PROGRAM PAYMENT LIMITATION General § 795.4 Family members. Effective for... was a “person” solely on the basis that: (a) A family member cosigns for, or makes a loan to,...

  6. 7 CFR 795.4 - Family members.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 7 2011-01-01 2011-01-01 false Family members. 795.4 Section 795.4 Agriculture... PROVISIONS COMMON TO MORE THAN ONE PROGRAM PAYMENT LIMITATION General § 795.4 Family members. Effective for... was a “person” solely on the basis that: (a) A family member cosigns for, or makes a loan to,...

  7. 7 CFR 946.23 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements... such member's absence. In the event of the death, removal, resignation, or disqualification of a member... the event that both a member and his or her alternate are unable to attend a Committee meeting,...

  8. 7 CFR 923.27 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements... event of the death, removal, resignation, or disqualification of a member, his alternate shall act for him until a successor for such member is selected and has qualified. In the event both a member of...

  9. 7 CFR 959.31 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements... designated to do so by the member for whom he is an alternate. In the event both a member of the committee... or grower) to serve in such member's place and stead. In the event of the death, removal,...

  10. 7 CFR 953.23 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 8 2010-01-01 2010-01-01 false Alternate members. 953.23 Section 953.23 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements... member's absence. In the event of death, removal, resignation, or disqualification of a member,...

  11. 7 CFR 1220.207 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... attend meetings of the Board as a voting member upon the following circumstances: (1) A member of the... meetings in an official capacity, shall have the rights, duties and obligations of a Board member. ... CONSUMER INFORMATION Soybean Promotion and Research Order United Soybean Board § 1220.207 Alternate...

  12. 7 CFR 1216.45 - Alternate members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE PEANUT PROMOTION, RESEARCH, AND INFORMATION ORDER Peanut Promotion, Research, and Information Order National Peanut Board § 1216.45 Alternate members. An alternate member of the Board, during the absence of the member for the primary...

  13. 7 CFR 1216.45 - Alternate members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE PEANUT PROMOTION, RESEARCH, AND INFORMATION ORDER Peanut Promotion, Research, and Information Order National Peanut Board § 1216.45 Alternate members. An alternate member of the Board, during the absence of the member for the primary...

  14. 7 CFR 1216.45 - Alternate members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE PEANUT PROMOTION, RESEARCH, AND INFORMATION ORDER Peanut Promotion, Research, and Information Order National Peanut Board § 1216.45 Alternate members. An alternate member of the Board, during the absence of the member for the primary...

  15. Understanding the roles of NHS trust board members.

    PubMed

    Deffenbaugh, J

    1996-01-01

    The establishment of NHS trust boards on a business format was a recent innovation resulting from the NHS reforms. In order to realize benefits for patients, it is essential that boards operate effectively. Explores within the framework of corporate governance, the practical implications of board member roles. Drawing on experience of strategy formulation at board level, analyses and clarifies the roles, and presents recommendations to increase board effectiveness. PMID:10162758

  16. Unveiling new members in five nearby young moving groups

    NASA Astrophysics Data System (ADS)

    Moór, A.; Szabó, Gy. M.; Kiss, L. L.; Kiss, Cs.; Ábrahám, P.; Szulágyi, J.; Kóspál, Á.; Szalai, T.

    2013-10-01

    In the past decade many kinematic groups of young stars (<100 Myr) were discovered in the solar neighbourhood. Since the most interesting period of planet formation overlaps with the age of these groups, their well dated members are attractive targets for exoplanet searches by direct imaging. We combined astrometric, photometric and X-ray data, and applied strict selection criteria to explore the stellar content of five nearby moving groups. We identified more than 100 potential new candidate members in the β Pic moving group, and in the Tucana-Horologium, Columba, Carina and Argus associations. In order to further assess and confirm their membership status, we analysed radial velocity data and lithium equivalent widths extracted from high-resolution spectra of 54 candidate stars. We identified 35 new probable/possible young moving group members: four in the β Pic moving group, 11 in the Columba association, 16 in the Carina association and four in the Argus association. We found serendipitously a new AB Dor moving group member as well. For four Columba systems Hipparcos-based parallaxes have already been available and as they are consistent with the predicted kinematic parallaxes, they can be considered as secure new members.

  17. SEALING MEANS FOR RELATIVELY ROTATABLE MEMBERS

    DOEpatents

    Skarstrom, C.S.

    1960-10-25

    A sealing means is offered for maintaining a seal between a pair of relatively rotatable members, panticularly between a rotating shaft and a stationary member surrounding the shaft. The sealing is accomplished by means of a flange extending outward radially on each of a plurality of sealing rings mounted on the rotating member which fit into annular grooves in the stationary member and are held in sealing relation therewith by means of spring rings. In addition, means are provided for passing a sealing gas through the seal sunfaces to prevent accumulation of lubricant and for scavenging any gas which may have leaked from the internal member into the seal area.

  18. Member end releases in framed structures

    NASA Astrophysics Data System (ADS)

    Stallings, J. M.

    1993-02-01

    Discontinuities such as internal hinges are commonly encountered in framed structures. A general method of including discontinuities in stiffness method analyses of planar frames by the release of member end forces is developed. Modifications are made to the member stiffness matrix and equivalent joint load vector to account for the released end forces. A FORTRAN algorithm is given that makes the necessary modifications to the member stiffness matrix and equivalent joint load vector for the standard planar frame member. The algorithm allows combinations of up to three member end forces to be released (specified at zero or nonzero values). An algorithm is also given that calculates the unknown member end displacements at the released member end forces. Numerical examples are given to illustrate the uses and capabilities of the algorithms.

  19. 32 CFR 884.10 - Returning members, employees, and family members from overseas.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 32 National Defense 6 2011-07-01 2011-07-01 false Returning members, employees, and family members... THE AIR FORCE MILITARY PERSONNEL DELIVERY OF PERSONNEL TO UNITED STATES CIVILIAN AUTHORITIES FOR TRIAL § 884.10 Returning members, employees, and family members from overseas. The Air Force expects...

  20. 32 CFR 884.10 - Returning members, employees, and family members from overseas.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 32 National Defense 6 2013-07-01 2013-07-01 false Returning members, employees, and family members... THE AIR FORCE MILITARY PERSONNEL DELIVERY OF PERSONNEL TO UNITED STATES CIVILIAN AUTHORITIES FOR TRIAL § 884.10 Returning members, employees, and family members from overseas. The Air Force expects...

  1. Flexible formation configuration for terrain following flight: Formation keeping constraints

    NASA Astrophysics Data System (ADS)

    Latyshev, Simon

    This work suggests a control method for the terrain-following formation motion of a group of communicating autonomous agents. The presented approach centers on defining a suitable set of constraints for formation keeping task that shall be fulfilled while agents are negotiating an unknown terrain toward the predefined goal location. It allows agents to maintain a general geometric formation shape, while allowing each individual formation member freedom of maneuver, required for terrain collision free motion. Formation structure is defined with the use of virtual leader. Formation keeping constraints are defined with plane surfaces, specified relative to position and navigation vector of the virtual leader. Formation navigation and guidance constraints are defined using navigation vectors of formation members and the virtual leader. Alternative designs for the constraints derived with parabolic, cone, and cylindrical surfaces are considered. Formation control is derived using the Udwadia-Kalaba equation, following corresponding approach to the development of control methods for constraint based dynamical systems, including leader-follower systems defined using geometric constraints. Approach to terrain following motion requiring agents to stay within bounds of cylindrical corridor volumes built around their respective navigation vectors is assumed. Individual formation primitives and multi-level, hierarchical, formation structures are considered. Simulations, based on three degrees of freedom nonlinear model of an agent, performed using Mathematica and specifically developed combined Maya-Mathematica modeling and simulation system, demonstrate that a flexible terrain following formation motion is achieved with the presented sets of constraints.

  2. Converting virtual community members into online buyers.

    PubMed

    Gupta, Sumeet; Kim, Hee-Woong; Shin, Seon-Jin

    2010-10-01

    Although many online vendors have sponsored virtual communities (VCs) in the hope of reaping commercial benefits from it, not many have been successful in reaping commercial benefits from their VC. Online vendors can benefit greatly from having a VC, if the VC members can be converted into online buyers. This study examines the conversion of a VC member into an online buyer. Using a classical-conditioning approach, this study finds that members' committed participation in the VC is the springboard for online vendors to convert VC members into online buyers.

  3. Quantum oblivious set-member decision protocol

    NASA Astrophysics Data System (ADS)

    Shi, Run-hua; Mu, Yi; Zhong, Hong; Zhang, Shun

    2015-08-01

    We present and define a privacy-preserving problem called the oblivious set-member decision problem, which allows a server to decide whether a private secret of a user is a member of his private set in an oblivious manner. Namely, if the secret belongs to his private set, he does not know which member it is. We propose a quantum solution to the oblivious set-member decision problem. Compared to classical solutions, the proposed quantum protocol achieves an exponential reduction in communication complexity, since it only needs O (1 ) communication cost.

  4. Audio-Visual Resources Related to Family Interaction with a Handicapped Member. An Annotated Bibliography.

    ERIC Educational Resources Information Center

    Collins, Eleanor M.; Watts, Janine A.

    This annotated bibliography lists 78 selected audiovisual resources (film, filmstrip, or video formats) in the general topic area of family interaction with a handicapped member. Sources older than 1970 are not included. Each listing provides information on length, format, audience, method of acquisition (rent or purchase, and price), source, and…

  5. Formation and X-ray Structures of Eight- and Sixteen-Membered Rings (ArC)(n)()N(2)(n)()(SPh)(n)() [n = 2, Ar = 4-XC(6)H(4) (X = Br, CF(3)); n = 4, Ar = 4-BrC(6)H(4)] and the Electronic Structures of (HC)(2)N(4)(SH)(2) and (HC)(2)N(4)(SH)(2)(2)(-).

    PubMed

    Chivers, Tristram; Parvez, Masood; Vargas-Baca, Ignacio; Ziegler, Tom; Zoricak, Peter

    1997-04-01

    Optimum yields of heterocyclic products are obtained when the reaction of 4-XC(6)H(4)CN(2)(SiMe(3))(3) (X = Br, CF(3)) with PhSCl in a 1:3 molar ratio in CH(2)Cl(2) is carried out at -100 degrees C followed by the mixture being warmed to -70 degrees C for 16 h. Under these conditions the eight-membered rings (4-XC(6)H(4))(2)C(2)N(4)S(2)Ph(2) (1b, X = Br; 1c, X = CF(3)) are obtained in 64 and 80% yields, respectively, in addition to the purple diazenes Z,E,Z-PhSN(4-XC(6)H(4))CN=NC(C(6)H(4)X-4)NSPh (2b, 8%; 2c, 19%) and, in the case of X = Br, the sixteen-membered ring (4-BrC(6)H(4))(4)C(4)N(8)S(4)Ph(4) (3) (8%). With a reaction time of 40 h the yield of 3 is increased to 25%. By contrast, the reaction of 3-BrC(6)H(4)CN(2)(SiMe(3))(3) with 3 equiv of PhSCl at -70 degrees C gives Z,E,Z-PhSN(3-BrC(6)H(4))CN=NC(3-BrC(6)H(4))NSPh in 75% yield. A possible pathway for the formation of cyclic products is proposed. The solid-state structures of 1b, 1c, and 3 were determined by X-ray crystallography. The eight-membered rings 1b and 1c adopt long boat conformations with the phenyl groups (attached to S) in equatorial positions. Density functional theory (DFT) calculations for the model ring system (HC)(2)N(4)(SH)(2) reveal that the observed C(2)(v)() geometry is the result of a second-order Jahn-Teller distortion of the planar (D(2)(h)()) structure. The chair conformer (C(2)(h)()) is only ca. 10 kJ mol(-)(1) higher in energy than the boat conformer. The hypothetical dianion (HC)(2)N(4)(SH)(2)(2)(-) is predicted to have a transannular S.S contact of about 2.5 Å. The sixteen-membered ring 3 has a cradle-like structure with S(4) symmetry.

  6. 7 CFR 1425.14 - Member business.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 10 2010-01-01 2010-01-01 false Member business. 1425.14 Section 1425.14 Agriculture... business. (a) At least 50 percent of a crop of an authorized commodity acquired by, or delivered to, a CMA... not be considered in determining the volume of member or nonmember business....

  7. Educational Faculty Members' Perceptions on Multicultural Teacher

    ERIC Educational Resources Information Center

    Günay, Rafet; Aslan, Dolgun

    2016-01-01

    This purpose of this study is to determine how the perceptions of teaching personnel members were conceptualized through use of metaphorical images with regard to the multicultural teacher. In this study, a phenomenological design, a type of qualitative research design was used. A total of 323 teaching personnel members employed at 71 educational…

  8. Methods of Assessment for Affected Family Members

    ERIC Educational Resources Information Center

    Orford, Jim; Templeton, Lorna; Velleman, Richard; Copello, Alex

    2010-01-01

    The article begins by making the point that a good assessment of the needs and circumstances of family members is important if previous neglect of affected family members is to be reversed. The methods we have used in research studies are then described. They include a lengthy semi-structured interview covering seven topic areas and standard…

  9. 7 CFR 1425.14 - Member business.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 10 2011-01-01 2011-01-01 false Member business. 1425.14 Section 1425.14 Agriculture... business. (a) At least 50 percent of a crop of an authorized commodity acquired by, or delivered to, a CMA... not be considered in determining the volume of member or nonmember business....

  10. 7 CFR 1425.14 - Member business.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 10 2014-01-01 2014-01-01 false Member business. 1425.14 Section 1425.14 Agriculture... business. (a) At least 50 percent of a crop of an authorized commodity acquired by, or delivered to, a CMA... not be considered in determining the volume of member or nonmember business....

  11. 7 CFR 1425.14 - Member business.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 10 2012-01-01 2012-01-01 false Member business. 1425.14 Section 1425.14 Agriculture... business. (a) At least 50 percent of a crop of an authorized commodity acquired by, or delivered to, a CMA... not be considered in determining the volume of member or nonmember business....

  12. 7 CFR 1425.14 - Member business.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 10 2013-01-01 2013-01-01 false Member business. 1425.14 Section 1425.14 Agriculture... business. (a) At least 50 percent of a crop of an authorized commodity acquired by, or delivered to, a CMA... not be considered in determining the volume of member or nonmember business....

  13. Understanding and Limiting School Board Member Liability.

    ERIC Educational Resources Information Center

    Hodges, Terry; Jones, Stephanie; Purvis, Mary L.; Rubin, David B.; Thrasher, Doralee; Underwood, Julie; Watkins, W. David

    This book is a primer on board-member liability issues and is intended for both board members and school attorneys. The first chapter, "The Legal System," examines federal sources of legal authority, state and local sources of legal authority, and federal and state judicial structures. Liability under state tort law is the subject of chapter 2,…

  14. Legal Liability of Individual Board Members.

    ERIC Educational Resources Information Center

    Leverett, E. Freeman

    Twenty-five years ago, law suits seeking recovery against the individual resources of school board members were virtually unheard of. Now, personal judgments impacting upon the individual resources of board members are commonplace. The legal developments that have contributed to this rather sudden change of circumstances are explained in this…

  15. 77 FR 71873 - Performance Review Board Members

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-12-04

    ... AFFAIRS Performance Review Board Members AGENCY: Corporate Senior Executive Management Office, Department... are required to publish a notice in the Federal Register of the appointment of ] Performance Review Board (PRB) members. This notice announces the appointment of persons to serve on the Performance...

  16. Hispanic Faculty Members in Texas Community Colleges

    ERIC Educational Resources Information Center

    Harris, Anthony; Joyner, Sheila; Slate, John

    2010-01-01

    The extent to which Hispanic faculty members employed at all Texas community colleges had changed from 2000 to 2008 is examined. Both the number and percentage of Hispanic faculty members employed full-time at Texas community colleges had increased from 2000 to the 2008 school year. Though a statistically significant increase was present, the…

  17. 7 CFR 906.27 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements... the event both a member and his alternate are unable to attend a committee meeting, the committee... the extent practical, independent, or co-op) to serve in such member's place and stead. In the...

  18. 7 CFR 916.27 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements... member and perform such other duties as assigned. In the event of the death, removal, resignation, or... qualified. In the event both a member of the committee and his alternate are unable to attend a...

  19. 7 CFR 966.31 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 8 2010-01-01 2010-01-01 false Alternate members. 966.31 Section 966.31 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements... event of the death, removal, resignation, or disqualification of a member, his alternate shall act...

  20. Ruminations of a Former School Board Member

    ERIC Educational Resources Information Center

    Harris, Anthony

    2006-01-01

    The author describes his initial introduction to school board service. The historical context in which the author became a school board member is described as a means of highlighting the challenges that he faced as a new board member as well as the challenges that public education faced in the early and mid 1980s in a southern state. Stories and…

  1. 7 CFR 795.4 - Family members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... individual and leases, loans or gives equipment, land or labor to such an individual; and (b) Such family... 7 Agriculture 7 2010-01-01 2010-01-01 false Family members. 795.4 Section 795.4 Agriculture... PROVISIONS COMMON TO MORE THAN ONE PROGRAM PAYMENT LIMITATION General § 795.4 Family members. Effective...

  2. 75 FR 72872 - Performance Review Board Members

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-11-26

    ... AFFAIRS Performance Review Board Members AGENCY: Department of Veterans Affairs. ACTION: Notice. SUMMARY... Register of the appointment of Performance Review Board (PRB) members. This notice updates the VA Performance Review Board of the Department of Veterans Affairs that was published in the Federal Register...

  3. Managing Non-Productive University Faculty Members.

    ERIC Educational Resources Information Center

    Jackson, John; Muir, Walter

    1994-01-01

    Examines how chairpersons of physical education departments in North American universities identify and manage their marginal faculty members, in the context of an exploratory model suggested by O'Reilly and Wietz (1980). Up to 15% of faculty members are perceived as being nonproductive or marginal, but very few are ever dismissed. Proposes some…

  4. School Law Primer for New Board Members.

    ERIC Educational Resources Information Center

    Mullaly, Paula A.

    School board members from 50 states have in common the United States Constitution and the legal principles announced by the federal courts in response to that Constitution. New board members are usually concerned with the rights of teachers, parents, and students. Starting with student rights, student conduct that involves freedom of expression…

  5. 18 CFR 701.55 - Associate Members.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 18 Conservation of Power and Water Resources 2 2010-04-01 2010-04-01 false Associate Members. 701.55 Section 701.55 Conservation of Power and Water Resources WATER RESOURCES COUNCIL COUNCIL ORGANIZATION Headquarters Organization § 701.55 Associate Members. (a) The Chairman, with concurrence of...

  6. 18 CFR 701.55 - Associate Members.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 18 Conservation of Power and Water Resources 2 2013-04-01 2012-04-01 true Associate Members. 701.55 Section 701.55 Conservation of Power and Water Resources WATER RESOURCES COUNCIL COUNCIL ORGANIZATION Headquarters Organization § 701.55 Associate Members. (a) The Chairman, with concurrence of...

  7. 18 CFR 701.55 - Associate Members.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 18 Conservation of Power and Water Resources 2 2012-04-01 2012-04-01 false Associate Members. 701.55 Section 701.55 Conservation of Power and Water Resources WATER RESOURCES COUNCIL COUNCIL ORGANIZATION Headquarters Organization § 701.55 Associate Members. (a) The Chairman, with concurrence of...

  8. 18 CFR 701.55 - Associate Members.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 18 Conservation of Power and Water Resources 2 2011-04-01 2011-04-01 false Associate Members. 701.55 Section 701.55 Conservation of Power and Water Resources WATER RESOURCES COUNCIL COUNCIL ORGANIZATION Headquarters Organization § 701.55 Associate Members. (a) The Chairman, with concurrence of...

  9. 18 CFR 701.55 - Associate Members.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 18 Conservation of Power and Water Resources 2 2014-04-01 2014-04-01 false Associate Members. 701.55 Section 701.55 Conservation of Power and Water Resources WATER RESOURCES COUNCIL COUNCIL ORGANIZATION Headquarters Organization § 701.55 Associate Members. (a) The Chairman, with concurrence of...

  10. Composition and method of stimulating subterranean formations

    SciTech Connect

    Dill, W.R.; Walker, M.L.; Ford, G.F.

    1987-07-14

    This patent describes a method of treating a subterranean formation containing iron comprising contacting a subterranean formation with an aqueous fluid containing a compound consisting essentially of at least one member selected from the group consisting of: dihydroxymaleic acid, salts of dihydroxymaleic acid, glucono-deltalactone present in an amount sufficient to prevent the precipitation of ferric iron during contact with the subterranean formation.

  11. How Not to Be a Terrible School Board Member: Lessons for School Administrators and Board Members

    ERIC Educational Resources Information Center

    Mayer, Richard E.

    2011-01-01

    Veteran school board member, Richard E. Mayer, takes a humorous but substantive approach to the serious relationship between school administrators and board members. While the overwhelming majority of school board members have good motives, even people who mean well can make bad moves. This book shows how to prevent good intentions from creating…

  12. 7 CFR 7.15 - Eligibility requirements of county committee members, community committee members, and delegates.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ..., community committee members, and delegates. 7.15 Section 7.15 Agriculture Office of the Secretary of Agriculture SELECTION AND FUNCTIONS OF AGRICULTURAL STABILIZATION AND CONSERVATION STATE, COUNTY AND COMMUNITY COMMITTEES § 7.15 Eligibility requirements of county committee members, community committee members,...

  13. Your Portrait: Board Members Support Voc Ed.

    ERIC Educational Resources Information Center

    Underwood, Kenneth E.; And Others

    1981-01-01

    Despite some regional differences, school board members strongly approve of vocational education and take issue with critics who doubt the value of these programs for high school students. (Author/IRT)

  14. Conducting a multi family member interview study.

    PubMed

    Reczek, Corinne

    2014-06-01

    Family researchers have long recognized the utility of incorporating interview data from multiple family members. Yet, relatively few contemporary scholars utilize such an approach due to methodological underdevelopment. This article contributes to family scholarship by providing a roadmap for developing and executing in-depth interview studies that include more than one family member. Specifically, it outlines the epistemological frames that most commonly underlie this approach, illustrates thematic research questions that it best addresses, and critically reviews the best methodological practices of conducting research with this approach. The three most common approaches are addressed in depth: separate interviews with each family member, dyadic or group interviews with multiple family members, and a combined approach that uses separate and dyadic or group interviews. This article speaks to family scholars who are at the beginning stages of their research project but are unsure of the best qualitative approach to answer a given research question.

  15. What Motivates Member Donations to the Union?

    NASA Astrophysics Data System (ADS)

    Austin, James A.; Grove, Timothy L.

    2008-04-01

    In the fall of 2007, the AGU Development Board commissioned the development staff to survey the approximately 1200 AGU supporting members to learn why these members give $100 to AGU each year- many give much more-to fund activities in education, public affairs, public information, the sections, and the focus groups. (A recent list of supporting members was published in Eos, 88(49), 544-545, 2007.) With supporting membership having more than doubled since 2003, the development staff and the Development Board wanted to find out more about the individual motivations underlying this trend. We also were trying to identify new incentives for members to support the Union's special projects and programs.

  16. 78 FR 69093 - Performance Review Board Members

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-11-18

    ..., Executive and Scientific Resources Office, Human Capital and Resources Management Office, Centers for... HUMAN SERVICES Centers for Disease Control and Prevention Performance Review Board Members AGENCY: Centers for Disease Control and Prevention (CDC), Department of Health and Human Services (HHS)....

  17. Elastomeric member for energy storage device

    DOEpatents

    Hoppie, Lyle O.; Chute, Richard

    1985-01-01

    An energy storage device (10) is disclosed consisting of a stretched elongated elastomeric member (16), disposed within a tubular housing (14), which elastomeric member (16) is adapted to be torsionally stressed to store energy. The elastomeric member (16) is configured in the relaxed state with a uniform diameter body section, transition end sections, and is attached to rigid end piece assemblies (22, 24) of a lesser diameter. The profile and deflection characteristic of the transition sections (76, 78) are such that upon stretching of the member, a substantially uniform diameter assembly results to minimize the required volume of the surrounding housing (14). During manufacture, woven wire mesh sleeves (26, 28) are forced against a forming surface and bonded to the associated transition section (76, 78) to provide the correct profile and helix angle. Each sleeve (26, 28) contracts with the contraction of the associated transition section to maintain the bond therebetween.

  18. Apparatus for fabricating composite ceramic members

    DOEpatents

    Roy, P.; Simpson, J.L.; Aitken, E.A.

    1975-10-28

    Methods and apparatus for fabrication of composite ceramic members having particular application for measuring oxygen activities in liquid sodium are described. The method involves the simultaneous deposition of ThO$sub 2$: 15 percent Y$sub 2$O$sub 3$ on a sintered stabilized zirconia member by decomposition of gaseous ThCl$sub 4$ and YCl$sub 3$ and by reacting with oxygen gas. Means are provided for establishing an electrical potential gradient across the zirconia member whereby oxygen ions, from a source on one side of the member portion to be coated, are migrated to the opposite side where a reaction and said decomposition and deposition are effected.

  19. New Crew Members Arrive at Station

    NASA Video Gallery

    The Expedition 28 crew expanded to six members with the arrival of Flight Engineers Mike Fossum, Sergei Volkov and Satoshi Furukawa. The new trio docked to the International Space Station in the So...

  20. Family members' opinions about civil commitment.

    PubMed

    McFarland, B H; Faulkner, L R; Bloom, J D; Hallaux, R; Bray, J D

    1990-05-01

    As part of a survey of 260 Oregon family members with mentally ill relatives, respondents were asked about their experiences with civil commitment and their opinions about proposed modifications in the commitment statutes. Family members typically described their mentally ill relative as a schizophrenic man in his thirties who had had six psychiatric hospitalizations and was currently being treated with medications at a community mental health center. Three-fourths of the relatives had been committed. A majority (57 percent) of the respondents were in favor of mandatory outpatient treatment and medication after involuntary hospitalization but were not enthusiastic about outpatient commitment without hospitalization. Family members also wanted more education about mental illness, more information about the commitment process, and assignment of a professional to help in the commitment process.

  1. Modeling of skeletal members using polyurethane foam

    SciTech Connect

    Sena, J.M.F.; Weaver, R.W.

    1983-11-01

    At the request of the University of New Mexico's Maxwell Museum of Anthropology, members of the Plastic Section in the Process Development Division at SNLA undertook the special project of the Chaco Lady. The project consisted of polyurethane foam casting of a disinterred female skull considered to be approximately 1000 years old. Rubber latex molds, supplied by the UNM Anthropology Department, were used to produce the polymeric skull requested. The authors developed for the project a modified foaming process which will be used in future polyurethane castings of archaeological artifacts and contemporary skeletal members at the University.

  2. 42 CFR 435.119 - Qualified family members.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 42 Public Health 4 2011-10-01 2011-10-01 false Qualified family members. 435.119 Section 435.119... Family Members § 435.119 Qualified family members. (a) Definition. A qualified family member is any member of a family, including pregnant women and children eligible for Medicaid under § 435.116 of...

  3. Educational Choice: New Roles for Board Members.

    ERIC Educational Resources Information Center

    Randall, Ruth E.

    1990-01-01

    School board members' new leadership roles in planning and implementing school choice programs are described in this article, which draws on the experience of a former Minnesota Commissioner of Education. The first task of the board is to set high expectations in the district and to establish specific policies. Despite the extent of…

  4. Profile of an Effective Hospice Team Member.

    ERIC Educational Resources Information Center

    Basile, Joseph L.; Stone, Donald B.

    1987-01-01

    Examined competencies that hospice practitioners and experts in the field would agree upon as necessary attributes to being an effective hospice team member. Results indicated strong positive agreement between the rankings of the practitioners on emotional and interpersonal characteristics needed by hospice personnel to effectively function with…

  5. Neighborhood Variation in Gang Member Concentrations

    ERIC Educational Resources Information Center

    Katz, Charles M.; Schnebly, Stephen M.

    2011-01-01

    This study examines the relationship between neighborhood structure, violent crime, and concentrations of gang members at the neighborhood level. We rely on official police gang list data, police crime data, and two waves of decennial census data characterizing the socioeconomic and demographic conditions of 93 neighborhoods in Mesa, Arizona.…

  6. Training Needs of Rural School Council Members

    ERIC Educational Resources Information Center

    Boylan, Colin R.

    2005-01-01

    School councils have operated successfully in non-government schools for many years. By contrast, the establishment of school councils in the government school sector has had a much shorter history. In New South Wales, school council members are elected representatives of the broader school community. This study focused on government schools in…

  7. 7 CFR 922.27 - Alternate members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 8 2014-01-01 2014-01-01 false Alternate members. 922.27 Section 922.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE APRICOTS GROWN IN DESIGNATED...

  8. 7 CFR 922.27 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 8 2010-01-01 2010-01-01 false Alternate members. 922.27 Section 922.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE APRICOTS GROWN IN DESIGNATED...

  9. 7 CFR 922.27 - Alternate members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 8 2013-01-01 2013-01-01 false Alternate members. 922.27 Section 922.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE APRICOTS GROWN IN DESIGNATED...

  10. 7 CFR 922.27 - Alternate members.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 8 2011-01-01 2011-01-01 false Alternate members. 922.27 Section 922.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE APRICOTS GROWN IN DESIGNATED...

  11. 7 CFR 922.27 - Alternate members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 8 2012-01-01 2012-01-01 false Alternate members. 922.27 Section 922.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE APRICOTS GROWN IN DESIGNATED...

  12. Paying Faculty Members What They Are Worth.

    ERIC Educational Resources Information Center

    Breslin, Richard D.; Klagholz, Leo F.

    1980-01-01

    Faculty members at New Jersey's state colleges have begun working under a plan that provides salary increases for meritorious performance. Such merit compensation does not conflict with faculty promotion, nor is it intended to replace cost-of-living increases. However, it does replace government-style guaranteed automatic raises that encourage…

  13. Mission Statement Analysis of CCCU Member Institutions

    ERIC Educational Resources Information Center

    Firmin, Michael W.; Gilson, Krista Merrick

    2010-01-01

    Assessed were the mission statements of 107 member institutions of the Coalition of Christian Colleges and Universities (CCCU). The analysis was conducted on a microlevel via appraising the frequency of words used in the statements as well as the general constructs expressed. The respective mission statements were coded for content and common…

  14. Family Members as Participants on Craniofacial Teams.

    ERIC Educational Resources Information Center

    Andrews, James; Seaver, Earl; Stevens, George; Whiteley, Joseph

    1998-01-01

    Family members (N=83) who participated in professional team staffing concerning treatment plans for their child with a craniofacial difference (typically, cleft lip and/or palate) were surveyed. Ninety-seven percent of respondents said they would choose to meet with the team on their next visit to the clinic. The role of early interventionists on…

  15. A Helping Hand for Young Faculty Members

    ERIC Educational Resources Information Center

    June, Audrey Williams

    2008-01-01

    With the academic year just under way, many junior faculty members in search of much-needed advice and guidance have begun to make critical connections with senior colleagues. Departmental pairings are the most standard form of faculty mentoring, as is the practice of newly minted professors' tapping colleagues on their own to answer questions…

  16. Legal Liability of Individual School Board Members.

    ERIC Educational Resources Information Center

    Leverett, E. Freeman

    Federal court decisions and federal statutes have established a number of new rights for individuals in recent years, and the Supreme Court decided in 1975 that school board members have only limited immunity from liability for the possible denial of those rights by school board actions. These two developments have drastically increased the amount…

  17. A Union Member's Guide to Employee Involvement.

    ERIC Educational Resources Information Center

    Juravich, Tom; Harris, Howard

    This guide is intended to be a first-time, general introduction to employee involvement for trade unionists--local leaders, stewards, and rank-and-file members. It makes no attempt to be comprehensive, but instead raises the major issues concerning employee involvement framed in trade union terms. Part I looks at the kinds of employee involvement…

  18. Stability of structural members under axial load

    NASA Technical Reports Server (NTRS)

    Lundquist, Eugene E

    1937-01-01

    The principles of the cross method of moment distribution are used to check the stability of structural members under axial load. A brief theoretical treatment of the subject, together with an illustrative problem, is included as well as a discussion of the reduced modulus at high stresses and a set of tables to aid in the solution of practical problems.

  19. Physical Fitness of University Faculty Members.

    ERIC Educational Resources Information Center

    Williford, H. N.; Barksdale, J. M.

    The purpose of this investigation was to compare physical activity, aerobic fitness, and selected coronary heart disease risk factors in 27 male and 21 female university faculty members. Results of t-tests indicate that the males had significantly greater values for physical activity index, systolic blood pressure, aerobic fitness (V02 max), and…

  20. WTO Members' Commitments in Education Services

    ERIC Educational Resources Information Center

    Xu, Jian

    2009-01-01

    The establishment of World Trade Organization is in line with the conclusion reached at the end of the Uruguay Round in April 1994 by the bulk of the world's trading nations. WTO is in charge of managing multilateral trading system. WTO's "General Agreement on Trade in Services" (GATS) requires member nations to comply with the following…

  1. 78 FR 69097 - Performance Review Board Members

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-11-18

    ... Review Boards or Panels, which oversee the evaluation of performance appraisals of Senior Executive... HUMAN SERVICES Performance Review Board Members Title 5, U.S.C. Section 4314(c)(4) of the Civil Service Reform Act of 1978, Public Law 95-454, requires that the appointment of Performance Review Board...

  2. Accommodating Faculty Members Who Have Disabilities. Report

    ERIC Educational Resources Information Center

    American Association of University Professors, 2012

    2012-01-01

    In recent years the rights and responsibilities of students who have disabilities have received considerable attention. Professors routinely accommodate students with a front-row seat in class or extended time on an examination. Faculty members who have disabilities have received far less attention. This report from a subcommittee of Committee A…

  3. 7 CFR 985.25 - Alternate members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 8 2014-01-01 2014-01-01 false Alternate members. 985.25 Section 985.25 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE MARKETING ORDER REGULATING THE HANDLING OF SPEARMINT OIL PRODUCED IN THE...

  4. 42 CFR 93.214 - Institutional member.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 42 Public Health 1 2014-10-01 2014-10-01 false Institutional member. 93.214 Section 93.214 Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES HEALTH ASSESSMENTS AND HEALTH EFFECTS STUDIES OF HAZARDOUS SUBSTANCES RELEASES AND FACILITIES PUBLIC HEALTH SERVICE POLICIES ON...

  5. 42 CFR 93.214 - Institutional member.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 42 Public Health 1 2013-10-01 2013-10-01 false Institutional member. 93.214 Section 93.214 Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES HEALTH ASSESSMENTS AND HEALTH EFFECTS STUDIES OF HAZARDOUS SUBSTANCES RELEASES AND FACILITIES PUBLIC HEALTH SERVICE POLICIES ON...

  6. 42 CFR 93.214 - Institutional member.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 42 Public Health 1 2011-10-01 2011-10-01 false Institutional member. 93.214 Section 93.214 Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES HEALTH ASSESSMENTS AND HEALTH EFFECTS STUDIES OF HAZARDOUS SUBSTANCES RELEASES AND FACILITIES PUBLIC HEALTH SERVICE POLICIES ON...

  7. 42 CFR 93.214 - Institutional member.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 42 Public Health 1 2010-10-01 2010-10-01 false Institutional member. 93.214 Section 93.214 Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES HEALTH ASSESSMENTS AND HEALTH EFFECTS STUDIES OF HAZARDOUS SUBSTANCES RELEASES AND FACILITIES PUBLIC HEALTH SERVICE POLICIES ON...

  8. 42 CFR 93.214 - Institutional member.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 42 Public Health 1 2012-10-01 2012-10-01 false Institutional member. 93.214 Section 93.214 Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES HEALTH ASSESSMENTS AND HEALTH EFFECTS STUDIES OF HAZARDOUS SUBSTANCES RELEASES AND FACILITIES PUBLIC HEALTH SERVICE POLICIES ON...

  9. 7 CFR 915.27 - Alternate members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 8 2012-01-01 2012-01-01 false Alternate members. 915.27 Section 915.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE AVOCADOS GROWN IN SOUTH FLORIDA...

  10. Observations of an Adjunct Faculty Member.

    ERIC Educational Resources Information Center

    Beman, Richard R.

    1980-01-01

    Discusses the rewards and frustrations of part-time teaching from the viewpoint of an adjunct faculty member. Includes an examination of the forces which separate full- and part-time instructors and a description of the personal rewards which motivate career persons to teach on the side. (JP)

  11. 7 CFR 1210.502 - Importer members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 10 2012-01-01 2012-01-01 false Importer members. 1210.502 Section 1210.502 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE WATERMELON RESEARCH...

  12. 7 CFR 1210.502 - Importer members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 10 2013-01-01 2013-01-01 false Importer members. 1210.502 Section 1210.502 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE WATERMELON RESEARCH...

  13. 7 CFR 1210.502 - Importer members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 10 2014-01-01 2014-01-01 false Importer members. 1210.502 Section 1210.502 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE WATERMELON RESEARCH...

  14. Board Member Testifies at Cyber Safety Hearing

    ERIC Educational Resources Information Center

    Kingston, Mary

    2011-01-01

    House Education and Labor Subcommittee on Healthy Families and Communities unanimously expressed concern for the growing trend in cyberbullying during a hearing last June 24. The event, which featured National Association of Secondary School Principals (NASSP) board member Barbara-Jane Paris and other witnesses, including TV personality Dr. Phil…

  15. Members' needs, intragroup conflict, and group performance.

    PubMed

    Chun, Jinseok S; Choi, Jin Nam

    2014-05-01

    Focusing on "what people want in their group" as a critical antecedent of intragroup conflict, the present study theorizes and empirically investigates the relationships among the psychological needs of group members, intragroup conflict, and group performance. It attends to the within-group average and dispersion of members' psychological needs and examines the effects stemming from group composition of needs on multiple types of conflict. The analyses based on multisource data from 145 organizational teams revealed significant relationships between the groups' composition with respect to the members' need for achievement and task conflict, need for affiliation and relationship conflict, and need for power and status conflict. Some of these relationships were moderated by open communication among members. The analyses also demonstrated that when the 3 types of conflict were considered together, task conflict was a positive predictor of group performance, whereas relationship conflict was a negative predictor. The findings highlight the motivational aspects of intragroup conflict, revealing the multilevel dynamics of the psychological needs in social settings.

  16. Elastomeric member and method of manufacture therefor

    DOEpatents

    Hoppie, L.O.

    1985-12-10

    An energy storage device is disclosed consisting of a stretched elongated elastomeric member disposed within a tubular housing, which elastomeric member is adapted to be torsionally stressed to store energy. The elastomeric member is configured in the relaxed state with a uniform diameter body section, and transition end sections, attached to rigid end piece assemblies of a lesser diameter. The profile and deflection characteristic of the transition sections are such that upon stretching of the elastomeric member, a substantially uniform diameter assembly results, to minimize the required volume of the surrounding housing. Each of the transition sections are received within and bonded to a woven wire mesh sleeve having helical windings at a particular helix angle to control the deflection of the transition section. Each sleeve also contracts with the contraction of the associated transition section to maintain the bond therebetween. During manufacture, the sleeves are forced against a forming surface and bonded to the associated transition section to provide the correct profile and helix angle. 12 figs.

  17. Elastomeric member and method of manufacture therefor

    DOEpatents

    Hoppie, Lyle O.

    1985-01-01

    An energy storage device (10) is disclosed consisting of a stretched elongated elastomeric member (16) disposed within a tubular housing (14), which elastomeric member (16) is adapted to be torsionally stressed to store energy. The elastomeric member (16) is configured in the relaxed state with a uniform diameter body section (74), and transition end sections (76, 78), attached to rigid end piece assemblies (22, 24) of a lesser diameter. The profile and deflection characteristic of the transition sections (76, 78) are such that upon stretching of the elastomeric member (16), a substantially uniform diameter assembly results, to minimize the required volume of the surrounding housing (14). Each of the transition sections (76, 78) are received within and bonded to a woven wire mesh sleeve (26, 28) having helical windings at a particular helix angle to control the deflection of the transition section. Each sleeve (26, 28) also contracts with the contraction of the associated transition section to maintain the bond therebetween. During manufacture, the sleeves (26, 28) are forced against a forming surface and bonded to the associated transition section (76, 78) to provide the correct profile and helix angle.

  18. Directory of Member Institutions, 1976. Revision.

    ERIC Educational Resources Information Center

    Karpen, Leah R., Ed.

    This directory describes the various types of programs offered by organizations and educational institutions which are members of the Association for World Education. Focusing on all forms of postsecondary educational organizations, membership consists of adult education centers, colleges, units of large university research centers, and other…

  19. Boron--epoxy tubular structure members

    NASA Technical Reports Server (NTRS)

    Shakespeare, W. B. J.; Nelson, P. T.; Lindkvist, E. C.

    1973-01-01

    Composite materials fabricate thin-walled tubular members which have same load-carrying capabilities as aluminum, titanium, or other metals, but are lighter. Interface between stepped end fitting and tube lends itself to attachments by primary as well as secondary bonding. Interlaminar shear and hoop stress buildup in attachment at end fitting is avoided.

  20. 7 CFR 985.25 - Alternate members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 8 2013-01-01 2013-01-01 false Alternate members. 985.25 Section 985.25 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE MARKETING ORDER REGULATING THE HANDLING OF SPEARMINT OIL PRODUCED IN THE...

  1. Team Productivity and Individual Member Competence.

    ERIC Educational Resources Information Center

    Bass, Bernard M.

    1980-01-01

    Discusses distribution of capabilities and role assignments on a team and proposes a model linking variables that affect productivity. Research is needed on what interaction processes result from team characteristics and which processes affect team productivity for members with particular capabilities. (Author/JAC)

  2. 76 FR 45724 - Clearing Member Risk Management

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-08-01

    ... COMMISSION 17 CFR Parts 1 and 23 RIN 3038-AD51 Clearing Member Risk Management AGENCY: Commodity Futures... management for cleared trades by futures commission merchants, swap dealers, and major swap participants that... extensive regulations addressing open access and risk management at the derivatives clearing...

  3. 7 CFR 945.29 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 8 2010-01-01 2010-01-01 false Alternate members. 945.29 Section 945.29 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements... be assigned or requested by the committee. In the event of the death, removal, resignation,...

  4. 7 CFR 924.27 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements... such other duties as assigned. In the event of the death, removal, resignation, or disqualification of... qualified. In the event both a member of the committee and his alternate are unable to attend a...

  5. 7 CFR 930.28 - Alternate members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 8 2014-01-01 2014-01-01 false Alternate members. 930.28 Section 930.28 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE TART CHERRIES GROWN IN THE STATES...

  6. 7 CFR 923.27 - Alternate members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 8 2014-01-01 2014-01-01 false Alternate members. 923.27 Section 923.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE SWEET CHERRIES GROWN IN...

  7. 7 CFR 923.27 - Alternate members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 8 2012-01-01 2012-01-01 false Alternate members. 923.27 Section 923.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE SWEET CHERRIES GROWN IN...

  8. 7 CFR 930.28 - Alternate members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 8 2012-01-01 2012-01-01 false Alternate members. 930.28 Section 930.28 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE TART CHERRIES GROWN IN THE STATES...

  9. 7 CFR 923.27 - Alternate members.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 8 2011-01-01 2011-01-01 false Alternate members. 923.27 Section 923.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE SWEET CHERRIES GROWN IN...

  10. 7 CFR 923.27 - Alternate members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 8 2013-01-01 2013-01-01 false Alternate members. 923.27 Section 923.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE SWEET CHERRIES GROWN IN...

  11. "Don't Argue with the Members"

    ERIC Educational Resources Information Center

    Gubrium, Jaber F.; Holstein, James A.

    2012-01-01

    Mel Pollner regularly cautioned researchers not to argue with the members of settings under consideration. He warned against substituting the researcher's meaning for the meanings of those being studied. This article discusses facets of the caution as they relate to the research process. Seemingly simple, the tenet is nuanced in application. The…

  12. 7 CFR 985.25 - Alternate members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 8 2012-01-01 2012-01-01 false Alternate members. 985.25 Section 985.25 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE MARKETING ORDER REGULATING THE HANDLING OF SPEARMINT OIL PRODUCED IN THE...

  13. Mothers of Gang Members Give Voice.

    ERIC Educational Resources Information Center

    Cooke, Gwendolyn; McEvoy, Alan

    1997-01-01

    Three mothers whose children were connected to Dallas (Texas) gangs told their stories at the Fourth Joint National Conference on Gangs, Schools, and Community. It is said that gang members come from dysfunctional families, usually from homes where fathers are not present or involved in children's upbringing. In spite of a great deal of research…

  14. 7 CFR 915.27 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 8 2010-01-01 2010-01-01 false Alternate members. 915.27 Section 915.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE AVOCADOS GROWN IN SOUTH FLORIDA...

  15. Fort Lewis Exceptional Family Member Program (EFMP)

    ERIC Educational Resources Information Center

    Hebdon, Heather

    2007-01-01

    Located in the shadow of Mt. Rainier, Fort Lewis is the home of the highest per capita exceptional family member population in the Army. Ideally located on the Northwest coast of Washington State, Fort Lewis is home to the Strykers and First Brigade. Combined with its close proximity to McChord Air Force Base, the installation is ideally suited to…

  16. Family Member Involvement in Hastened Death

    ERIC Educational Resources Information Center

    Starks, Helene; Back, Anthony L.; Pearlman, Robert A.; Koenig, Barbara A.; Hsu, Clarissa; Gordon, Judith R.; Bharucha, Ashok J.

    2007-01-01

    When patients pursue a hastened death, how is the labor of family caregiving affected? The authors examined this question in a qualitative study of 35 families. Four cases reveal the main themes: "taking care" included mutual protection between patients and family members; "midwifing the death" without professional support left families unprepared…

  17. Regional Organizations Increase Opportunities for Member Involvement

    ERIC Educational Resources Information Center

    American Vocational Journal, 1977

    1977-01-01

    The five American Vocational Association (AVA) Regions, organized only 18 months ago (1975), are now finding their place in the AVA structure. Their activities and accomplishments to date were reported to the membership at Regional meetings in Houston. It became clear that the regions are creating new opportunities for individual members and the…

  18. 7 CFR 929.27 - Alternate members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 8 2013-01-01 2013-01-01 false Alternate members. 929.27 Section 929.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE CRANBERRIES GROWN IN STATES...

  19. 7 CFR 929.27 - Alternate members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 8 2012-01-01 2012-01-01 false Alternate members. 929.27 Section 929.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE CRANBERRIES GROWN IN STATES...

  20. 7 CFR 929.27 - Alternate members.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 8 2011-01-01 2011-01-01 false Alternate members. 929.27 Section 929.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE CRANBERRIES GROWN IN STATES...

  1. 7 CFR 929.27 - Alternate members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 8 2014-01-01 2014-01-01 false Alternate members. 929.27 Section 929.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE CRANBERRIES GROWN IN STATES...

  2. 7 CFR 929.27 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 8 2010-01-01 2010-01-01 false Alternate members. 929.27 Section 929.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE CRANBERRIES GROWN IN STATES...

  3. 7 CFR 966.31 - Alternate members.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 8 2011-01-01 2011-01-01 false Alternate members. 966.31 Section 966.31 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE TOMATOES GROWN IN FLORIDA...

  4. 7 CFR 966.31 - Alternate members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 8 2014-01-01 2014-01-01 false Alternate members. 966.31 Section 966.31 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE TOMATOES GROWN IN FLORIDA...

  5. 7 CFR 966.31 - Alternate members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 8 2012-01-01 2012-01-01 false Alternate members. 966.31 Section 966.31 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE TOMATOES GROWN IN FLORIDA...

  6. 7 CFR 966.31 - Alternate members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 8 2013-01-01 2013-01-01 false Alternate members. 966.31 Section 966.31 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE TOMATOES GROWN IN FLORIDA...

  7. 7 CFR 915.27 - Alternate members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 8 2013-01-01 2013-01-01 false Alternate members. 915.27 Section 915.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE AVOCADOS GROWN IN SOUTH FLORIDA...

  8. A Writing Curriculum for Physician Faculty Members.

    ERIC Educational Resources Information Center

    Schmitz, Constance C.; Bland, Carole J.

    1987-01-01

    Presented are the results of a faculty development project in which the domain of written communication was analyzed and incorporated into a training curriculum for family medicine faculty members. A wealth of literature was found to support 47 requisite competencies. The recommended curriculum integrates expert consultation with seminars,…

  9. 7 CFR 925.27 - Alternate members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 8 2014-01-01 2014-01-01 false Alternate members. 925.27 Section 925.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE GRAPES GROWN IN A DESIGNATED AREA...

  10. 7 CFR 925.27 - Alternate members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 8 2012-01-01 2012-01-01 false Alternate members. 925.27 Section 925.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE GRAPES GROWN IN A DESIGNATED AREA...

  11. 7 CFR 925.27 - Alternate members.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 8 2011-01-01 2011-01-01 false Alternate members. 925.27 Section 925.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE GRAPES GROWN IN A DESIGNATED AREA...

  12. 7 CFR 989.33 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 8 2010-01-01 2010-01-01 false Alternate members. 989.33 Section 989.33 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE RAISINS PRODUCED FROM GRAPES GROWN...

  13. 7 CFR 925.27 - Alternate members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 8 2013-01-01 2013-01-01 false Alternate members. 925.27 Section 925.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE GRAPES GROWN IN A DESIGNATED AREA...

  14. 7 CFR 989.33 - Alternate members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 8 2014-01-01 2014-01-01 false Alternate members. 989.33 Section 989.33 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE RAISINS PRODUCED FROM GRAPES GROWN...

  15. 7 CFR 989.33 - Alternate members.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 8 2011-01-01 2011-01-01 false Alternate members. 989.33 Section 989.33 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE RAISINS PRODUCED FROM GRAPES GROWN...

  16. 7 CFR 925.27 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 8 2010-01-01 2010-01-01 false Alternate members. 925.27 Section 925.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE GRAPES GROWN IN A DESIGNATED AREA...

  17. 7 CFR 920.27 - Alternate members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 8 2012-01-01 2012-01-01 false Alternate members. 920.27 Section 920.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE KIWIFRUIT GROWN IN...

  18. 7 CFR 920.27 - Alternate members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 8 2013-01-01 2013-01-01 false Alternate members. 920.27 Section 920.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE KIWIFRUIT GROWN IN...

  19. 7 CFR 920.27 - Alternate members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 8 2010-01-01 2010-01-01 false Alternate members. 920.27 Section 920.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE KIWIFRUIT GROWN IN...

  20. 7 CFR 920.27 - Alternate members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 8 2014-01-01 2014-01-01 false Alternate members. 920.27 Section 920.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING AGREEMENTS AND ORDERS; FRUITS, VEGETABLES, NUTS), DEPARTMENT OF AGRICULTURE KIWIFRUIT GROWN IN...

  1. 7 CFR 920.27 - Alternate members.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 8 2011-01-01 2011-01-01 false Alternate members. 920.27 Section 920.27 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE KIWIFRUIT GROWN IN...

  2. Why are Faculty Members Not Teaching Blended Courses? Insights from Faculty Members

    ERIC Educational Resources Information Center

    Ocak, Mehmet Akif

    2011-01-01

    This paper describes the findings of an exploratory, qualitative case study and examines problems and impediments faculty members encountered in blended learning environments in Turkish Higher Education system. A total of 117 faculty members from 4 universities responded to 8 interview questions. Findings were based on content analyses of…

  3. 7 CFR 932.130 - Public member and alternate public member eligibility requirements and nomination procedures.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ..., Nuts), DEPARTMENT OF AGRICULTURE OLIVES GROWN IN CALIFORNIA Rules and Regulations § 932.130 Public... member (husband, wife, son or daughter) of a producer or handler of olives and shall have no direct... processing of olives; nor shall they be either an officer, director, or employee, or family member of...

  4. 7 CFR 932.130 - Public member and alternate public member eligibility requirements and nomination procedures.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ..., Nuts), DEPARTMENT OF AGRICULTURE OLIVES GROWN IN CALIFORNIA Rules and Regulations § 932.130 Public... member (husband, wife, son or daughter) of a producer or handler of olives and shall have no direct... processing of olives; nor shall they be either an officer, director, or employee, or family member of...

  5. 7 CFR 932.130 - Public member and alternate public member eligibility requirements and nomination procedures.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ..., NUTS), DEPARTMENT OF AGRICULTURE OLIVES GROWN IN CALIFORNIA Rules and Regulations § 932.130 Public... member (husband, wife, son or daughter) of a producer or handler of olives and shall have no direct... processing of olives; nor shall they be either an officer, director, or employee, or family member of...

  6. 7 CFR 932.130 - Public member and alternate public member eligibility requirements and nomination procedures.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ..., NUTS), DEPARTMENT OF AGRICULTURE OLIVES GROWN IN CALIFORNIA Rules and Regulations § 932.130 Public... member (husband, wife, son or daughter) of a producer or handler of olives and shall have no direct... processing of olives; nor shall they be either an officer, director, or employee, or family member of...

  7. 7 CFR 932.130 - Public member and alternate public member eligibility requirements and nomination procedures.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ..., Nuts), DEPARTMENT OF AGRICULTURE OLIVES GROWN IN CALIFORNIA Rules and Regulations § 932.130 Public... member (husband, wife, son or daughter) of a producer or handler of olives and shall have no direct... processing of olives; nor shall they be either an officer, director, or employee, or family member of...

  8. 20 CFR 653.104 - Services to MSFW family members, farm labor contractors, and crew members.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 20 Employees' Benefits 3 2010-04-01 2010-04-01 false Services to MSFW family members, farm labor contractors, and crew members. 653.104 Section 653.104 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR SERVICES OF THE EMPLOYMENT SERVICE SYSTEM Services for Migrant and...

  9. 20 CFR 653.104 - Services to MSFW family members, farm labor contractors, and crew members.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 20 Employees' Benefits 3 2011-04-01 2011-04-01 false Services to MSFW family members, farm labor contractors, and crew members. 653.104 Section 653.104 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR SERVICES OF THE EMPLOYMENT SERVICE SYSTEM Services for Migrant and...

  10. Screening of household family members of brucellosis cases and neighboring community members in Azerbaijan.

    PubMed

    Ismayilova, Rita; Mody, Rupal; Abdullayev, Rakif; Amirova, Kamala; Jabbarova, Latafat; Ustun, Narmin; Jahanov, Musa; Nasirova, Emilya; Powers, Marilyn; Rivard, Robert; Hepburn, Matthew; Bautista, Christian T

    2013-05-01

    Brucellosis is an endemic zoonotic disease in Azerbaijan. The first human brucellosis case reported in 1922 was in Pardabil village of a region currently named Shabran. Household members of brucellosis index cases are a population at risk for brucellosis infection. The purpose of this study was to determine the rate of seropositivity of brucellosis among household and neighboring community members of brucellosis index cases in Azerbaijan. Twenty-one household members of 8 index brucellosis cases and 27 community neighbors were serologically tested for evidence of exposure by the serum agglutination test. Of these, the brucellosis seropositivity rate was 9.5% and 7.4%, respectively. Screening of household members of index cases and individuals who live in proximity to infected household members is a practical approach to increase the detection of brucellosis exposure.

  11. Publication Characteristics of Members of the AAS

    NASA Astrophysics Data System (ADS)

    Abt, Helmut A.

    1990-10-01

    For each of the 4995 persons listed in the 1989 American Astronomical Society Membership Directory, we noted their total 1984-88 publications as listed in the Author Index of Astronomy and Astrophysics Abstracts. The members are subdivided as retired (mean of 0.61 paper/yr), foreign (3.89), Full (3.34), Division Affiliates (1.76), Associate (1.48), and Junior (0.79) members. For Full members the frequencies of various publication rates are listed; the median is 2.28 papers/yr. The Full members are subdivided by affiliations, namely private institutions (mean of 4.71 papers/yr), university (3.89), government-funded (3.46), commercial company (1.81), and unknown affiliations (0.84). We looked up the listed publications for four high producers who each average 25.7 papers/yr. We found that 55% of those are preprints, abstracts, conference papers, and other secondary material. Furthermore, they average 4.2 authors per original research paper. If we divide each original research paper by the number of authors, these four average only the equivalent of 4.0 single-author research papers/yr. A sample of moderate producers also have 53% of their publications as abstracts, conference papers, etc., and they average 4.2 authors per original research paper. We conclude that the average Full AAS member produces the equivalent of 1/2 single-author original-research paper/yr and 23% of them produce more than 1 such paper/yr.

  12. Why 4-H Members Leave: A Study of Discontinuance through Both Current 4-H Members and Former Members

    ERIC Educational Resources Information Center

    Chilek, Kevin Dwayne

    2012-01-01

    4-H members quit. It is part of every 4-H program, and according to the research, it is even part of growing up. If only we knew why they quit, we could possibly do something about it. To date, the reasons youth join 4-H have been more thoroughly researched than the reasons they quit. This study explores why youth choose to discontinue membership…

  13. Selecting Group Members: Effects of the Content of the Feedback and the Characteristics of the Problem.

    ERIC Educational Resources Information Center

    Kipper, David A.; And Others

    1981-01-01

    Investigated the influence on group formation of feedback provided by potential members. Results indicated choices students made varied according to the pertinence of the feedback to the characteristics of the problem. Suggests a sociometric choice in the form of attraction to the feedback provider could indicate the existence of such pertinence.…

  14. LIKELY MEMBERS OF THE {beta} PICTORIS AND AB DORADUS MOVING GROUPS IN THE NORTH

    SciTech Connect

    Schlieder, Joshua E.; Lepine, Sebastien; Simon, Michal E-mail: michal.simon@stonybrook.edu

    2012-10-01

    We present first results from follow-up of targets in the northern hemisphere {beta} Pictoris and AB Doradus moving group candidate list of Schlieder et al. We obtained high-resolution, near-infrared spectra of 27 candidate members to measure their radial velocities and confirm consistent group kinematics. We identify 15 candidates with consistent predicted and measured radial velocities, perform analyses of their six-dimensional (UVWXYZ) Galactic kinematics, and compare to known group member distributions. Based on these analyses, we propose that seven {beta} Pic and eight AB Dor candidates are likely new group members. Four of the likely new {beta} Pic stars are binaries, one a double-lined spectroscopic system. Three of the proposed AB Dor stars are binaries. Counting all binary components, we propose 22 likely members of these young, moving groups. The majority of the proposed members are M2 to M5 dwarfs, the earliest being of type K2. We also present preliminary parameters for the two new spectroscopic binaries identified in the data, the proposed {beta} Pic member and a rejected {beta} Pic candidate. Our candidate selection and follow-up has thus far identified more than 40 low-mass, likely members of these two moving groups. These stars provide a new sample of nearby, young targets for studies of local star formation, disks and exoplanets via direct imaging, and astrophysics in the low-mass regime.

  15. Signaling Receptors for TGF-β Family Members.

    PubMed

    Heldin, Carl-Henrik; Moustakas, Aristidis

    2016-01-01

    Transforming growth factor β (TGF-β) family members signal via heterotetrameric complexes of type I and type II dual specificity kinase receptors. The activation and stability of the receptors are controlled by posttranslational modifications, such as phosphorylation, ubiquitylation, sumoylation, and neddylation, as well as by interaction with other proteins at the cell surface and in the cytoplasm. Activation of TGF-β receptors induces signaling via formation of Smad complexes that are translocated to the nucleus where they act as transcription factors, as well as via non-Smad pathways, including the Erk1/2, JNK and p38 MAP kinase pathways, and the Src tyrosine kinase, phosphatidylinositol 3'-kinase, and Rho GTPases. PMID:27481709

  16. Orientating Nonpharmacist Faculty Members to Pharmacy Practice

    PubMed Central

    Calderon, Bianca; Sheridan, Leah; Sucher, Brandon

    2014-01-01

    Objective. To design, implement, and evaluate a faculty development program intended to orient nonpharmacist faculty members to pharmacy practice. Design. A multifaceted program was implemented in 2012 that included 4 shadowing experiences in which faculty members visited acute care, ambulatory care, hospital, and community pharmacy settings under the guidance of licensed preceptors. Itineraries for each visit were based on objective lists of anticipated practice experiences that define the role of the pharmacist in each setting. Assessment. The 4 shadowing experiences culminated with reflection and completion of a survey to assess the impact of the program. All of the faculty participants agreed that the experience improved their conceptual understanding of contemporary pharmacy practice and the role of the pharmacist in the healthcare setting. The experience also improved faculty comfort with creating practice-relevant classroom activities. Conclusions. A shadowing experience is an effective way of orienting nonpharmacist faculty members to the practice of pharmacy. This program inspired the creation of an experience to introduce pharmacy practice faculty to pharmaceutical science faculty research initiatives. PMID:24954946

  17. Infrared Scanning of FRP Composite Members

    NASA Astrophysics Data System (ADS)

    Halabe, U. B.; Bangalore, G.; GangaRao, H. V. S.; Klinkhachorn, P.

    2003-03-01

    Fiber Reinforced Polymer (FRP) composite is rapidly emerging as an alternative material for the infrastructure industry, and as a supplement to the conventional material such as steel, concrete, and timber. However, the long-term behavior of these materials has not been fully understood. In order to study the durability issues, it is important to develop a nondestructive evaluation (NDE) system for continuous monitoring of structural members built with FRP materials. This paper presents the results of an experimental study on delamination detection in FRP composite members using infrared thermography. Simulated delaminations of various sizes were inserted into several FRP box sections and deck sections during the pultrusion process to create subsurface defects. The defective specimens were then tested in the laboratory using infrared thermography to predict the location and planar extent of these subsurface delaminations. The infrared tests yielded good results, which indicate that the technique can be developed for long-term in-service monitoring of FRP structural members in the field environment.

  18. Lay REC members: patient or public?

    PubMed

    Staley, Kristina

    2013-12-01

    In practice, the role of lay members of research ethics committees (RECs) often involves checking the accessibility of written materials, checking that the practical needs of participants have been considered and ensuring that a lay summary of the research will be produced. In this brief report, I argue that all these tasks would be more effectively carried out through a process of patient involvement (PI) in research projects prior to ethical review. Involving patients with direct experience of the topic under investigation brings added value beyond the contributions typically made by lay REC members, who are often not patients themselves. This is because PI tailors the design and conduct of research to the specific interests and concerns of the people who will actually take part in a project and make use of its findings. If a project has PI in its early stages, then a similar input from lay REC members could at best result in duplication of effort and at worst create the potential for conflict. The rationale for lay REC membership will therefore need to change from 'contributing a patient perspective' to 'ensuring transparency and public accountability in REC decisions'. This has implications for addressing more strategic questions about lay REC membership, including who is best recruited to the role and how they should be expected to contribute in practice.

  19. 20. MEMBER 'A' SHOWS TENON AS USED IN POST 'A' ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    20. MEMBER 'A' SHOWS TENON AS USED IN POST 'A' (TN-159A-19), MEMBER 'B' IS BEAM 'B' IN TN-159A-19 AND SHOWS METHOD OF JOINING THESE MEMBERS. MEMBER 'C' SHOWS MORTISE IN BEAM 'B'. - Caleb Crosby Threshing Barn, Noeton (moved to Norris Dam State Park, Lake City), Morristown, Hamblen County, TN

  20. 42 CFR 436.121 - Qualified family members.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 42 Public Health 4 2014-10-01 2014-10-01 false Qualified family members. 436.121 Section 436.121... Coverage of the Categorically Needy § 436.121 Qualified family members. (a) Definition. A qualified family member is any member of a family, including pregnant women and children eligible for Medicaid under §...

  1. 42 CFR 436.121 - Qualified family members.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 42 Public Health 4 2012-10-01 2012-10-01 false Qualified family members. 436.121 Section 436.121... Coverage of the Categorically Needy § 436.121 Qualified family members. (a) Definition. A qualified family member is any member of a family, including pregnant women and children eligible for Medicaid under §...

  2. 42 CFR 436.121 - Qualified family members.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 42 Public Health 4 2013-10-01 2013-10-01 false Qualified family members. 436.121 Section 436.121... Coverage of the Categorically Needy § 436.121 Qualified family members. (a) Definition. A qualified family member is any member of a family, including pregnant women and children eligible for Medicaid under §...

  3. 42 CFR 436.121 - Qualified family members.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 42 Public Health 4 2011-10-01 2011-10-01 false Qualified family members. 436.121 Section 436.121... Coverage of the Categorically Needy § 436.121 Qualified family members. (a) Definition. A qualified family member is any member of a family, including pregnant women and children eligible for Medicaid under §...

  4. University Faculty Members' Perceptions of Their Teaching Efficacy

    ERIC Educational Resources Information Center

    Chang, Te-Sheng; Lin, Huei-Hsuan; Song, Mei-Mei

    2011-01-01

    The purpose of this study was to investigate faculty members' perceptions of teaching efficacy and their relation to faculty members' backgrounds. A questionnaire measuring six dimensions of teaching efficacy was distributed to faculty members at 17 universities in Taiwan, yielding 513 complete sets of responses. Faculty members felt efficacious,…

  5. 42 CFR 435.119 - Qualified family members.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... that the State makes Medicaid available to any individual who meets the definition of “qualified family... 42 Public Health 4 2010-10-01 2010-10-01 false Qualified family members. 435.119 Section 435.119... Family Members § 435.119 Qualified family members. (a) Definition. A qualified family member is...

  6. 42 CFR 436.121 - Qualified family members.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 42 Public Health 4 2010-10-01 2010-10-01 false Qualified family members. 436.121 Section 436.121... Coverage of the Categorically Needy § 436.121 Qualified family members. (a) Definition. A qualified family member is any member of a family, including pregnant women and children eligible for Medicaid under §...

  7. Chromosomal aberrations in ISS crew members

    NASA Astrophysics Data System (ADS)

    Johannes, Christian; Goedecke, Wolfgang; Antonopoulos, Alexandra

    2012-07-01

    High energy radiation is a major risk factor in manned space missions. Astronauts and cosmonauts are exposed to ionising radiations of cosmic and solar origin, while on the Earth's surface people are well protected by the atmosphere and a deflecting magnetic field. There are now data available describing the dose and the quality of ionising radiation on-board of the International Space Station (ISS). Nonetheless, the effect of increased radiation dose on mutation rates of ISS crew members are hard to predict. Therefore, direct measurements of mutation rates are required in order to better estimate the radiation risk for longer duration missions. The analysis of chromosomal aberrations in peripheral blood lymphocytes is a well established method to measure radiation-induced mutations. We present data of chromosome aberration analyses from lymphocyte metaphase spreads of ISS crew members participating in short term (10-14 days) or long term (around 6 months) missions. From each subject we received two blood samples. The first sample was drawn about 10 days before launch and a second one within 3 days after return from flight. From lymphocyte cultures metaphase plates were prepared on glass slides. Giemsa stained and in situ hybridised metaphases were scored for chromosome changes in pre-flight and post-flight blood samples and the mutation rates were compared. Results obtained in chromosomal studies on long-term flight crew members showed pronounced inter-individual differences in the response to elevated radiation levels. Overall slight but significant elevations of typical radiation induced aberrations, i.e., dicentric chromosomes and reciprocal translocations have been observed. Our data indicate no elevation of mutation rates due to short term stays on-board the ISS.

  8. Finland Becomes Eleventh ESO Member State

    NASA Astrophysics Data System (ADS)

    2004-07-01

    Finland has become the eleventh member state of the European Southern Observatory (ESO) [1]. The formal accession procedure was carried through as planned and has now been completed. Following the signing of the corresponding Agreement earlier this year (ESO PR 02/04), acceptance by the Finnish Parliament and ratification by the Finnish President of the Agreement as well as the ESO Convention and the associated protocols in June [2] and the deposit of the instruments of accession today, Finland has now officially joined ESO. ESO warmly welcomes the new member country and its scientific community that is renowned for their expertise in many frontline areas. The related opportunities will contribute to strenghtening of pioneering research with the powerful facilities at ESO's observatories, to the benefit of Astronomy and Astrophysics as well as European science in general. ESO also looks forward to collaboration with the Finnish high-tech industry. For Finland, the membership in ESO is motivated by scientific and technological objectives as well as by the objective of improving the public understanding of science. The Finnish Government is committed to increasing the public research funding in order to improve the quality, impact and internationalisation of research. Membership in ESO offers unique facilities for astronomical research which would not otherwise be available for Finnish astronomers. Finland is also very interested in taking part in technological development projects in fields like ICT, optics and instrumentation. For young scientists and engineers, ESO is a challenging, international working and learning environment. Finland has already taken part in the educational programmes of ESO, and as a member this activity will be broadened and intensified. In Finland there are also several science journalists and a large community of amateur astronomers who will be very happy to take part in ESO's outreach activities.

  9. Method of recertifying a loaded bearing member

    NASA Technical Reports Server (NTRS)

    Allison, Sidney G. (Inventor)

    1992-01-01

    A method is described of recertifying a loaded bearing member using ultrasound testing to compensate for different equipment configurations and temperature conditions. The standard frequency F1 of a reference block is determined via an ultrasonic tone burst generated by a first pulsed phased locked loop (P2L2) equipment configuration. Once a lock point number S is determined for F1, the reference frequency F1a of the reference block is determined at this lock point number via a second P2L2 equipment configuration to permit an equipment offset compensation factor Fo1=((F1-F1a)/F1)(1000000) to be determined. Next, a reference frequency F2 of the unloaded bearing member is determined using a second P2L2 equipment configuration and is then compensated for equipment offset errors via the relationship F2+F2(Fo1)/1000000. A lock point number b is also determined for F2. A resonant frequency F3 is determined for the reference block using a third P2L2 equipment configuration to determine a second offset compensation factor F02=((F1-F3)/F1) 1000000. Next the resonant frequency F4 of the loaded bearing member is measured at lock point number b via the third P2L2 equipment configuration and the bolt load determined by the relationship (-1000000)CI(((F2-F4)/F2)-Fo2), wherein CI is a factor correlating measured frequency shift to the applied load. Temperature compensation is also performed at each point in the process.

  10. BVA members wow judges in photo competition.

    PubMed

    2016-09-01

    Earlier this year, BVA ran its inaugural photo competition, giving members the opportunity to showcase the work of the veterinary profession and the animals and wildlife they encounter. Standing out from over 400 high-quality entries, judges picked the images reproduced in this month's BVA News as the winning and highly commended photos. To see all the entries and hear from the winners, visit www.bva.co.uk/vet-photos-2016/. There will be another photo competition in 2017 with more categories to be announced. PMID:27585899

  11. AGU member running to fill congressional seat

    NASA Astrophysics Data System (ADS)

    Crum, Emily

    John F Mink, an AGU member (Hydrology) for 50 years, and husband of the late Representative Patsy T. Mink (D-Hawaii), will run in a special election on 30 November to fill the remainder of his wife's unexpired congressional term. Patsy Mink, who represented the 2nd Congressional District of Hawaii, passed away on 28 September after battling pneumonia.Her name will appear on the 5 November election ballot as a candidate for Hawaii's 2nd District in the 108th Congress. If she is elected posthumously, the state of Hawaii will hold a special election in January to select an official to serve the full two-year term.

  12. Rh-Catalyzed Five-Membered Heterocycle Synthesis

    NASA Astrophysics Data System (ADS)

    Kathiravan, Subban; Nicholls, Ian A.

    The following sections are included: * Introduction * Rhodium-catalyzed nitrogen containing five-membered heterocycle synthesis * Rhodium-catalyzed oxygen containing five-membered heterocycle synthesis * Rhodium-catalyzed sulfur containing five-membered heterocycle synthesis * Rhodium-catalyzed phosphorous containing five-membered heterocycle synthesis * Rhodium-catalyzed silicon containing five-membered heterocycle synthesis * Rhodium-catalyzed synthesis of bis-heterocycles * Conclusions and outlook * References

  13. Orienting members in a preselected rotary alignment

    DOEpatents

    Williams, Ray E.

    1987-01-01

    An apparatus for orienting members and for maintaining their rotary alignment during orienting members. The apparatus comprises first and second cylindrical elements, a rotation prevention element, a collar and a retainer. Each element has an outside wall, and first and second ends, each end having an outside edge. The first element has portions defining a first plurality of notches located at the outside edge of its first end. An external threaded portion is on the outside wall of the first element and next to the first plurality of notches. The second element has portions defining a second plurality of notches located at the outside edge of its first end. The first plurality has a different number than the second plurality. The first ends of the first and second tubes have substantially the same outside diameter and are abutted during connection so that a cavity is formed whenever first and second tube notches substantially overlap. A rotation prevention element is placed in the cavity to prevent rotation of the first and second elements. A collar with an internal threaded portion is slidably disposed about the second element. The internal threaded portion engages the external threaded portion of the first element to connect the elements. A lip connected to the collar prevents separation of the collar from the second element.

  14. Multiple capillary biochemical analyzer with barrier member

    DOEpatents

    Dovichi, Norman J.; Zhang, Jian Z.

    1996-01-01

    A multiple capillary biochemical analyzer for sequencing DNA and performing other analyses, in which a set of capillaries extends from wells in a microtiter plate into a cuvette. In the cuvette the capillaries are held on fixed closely spaced centers by passing through a sandwich construction having a pair of metal shims which squeeze between them a rubber gasket, forming a leak proof seal for an interior chamber in which the capillary ends are positioned. Sheath fluid enters the chamber and entrains filament sample streams from the capillaries. The filament sample streams, and sheath fluid, flow through aligned holes in a barrier member spaced close to the capillary ends, into a collection chamber having a lower glass window. The filament streams are illuminated above the barrier member by a laser, causing them to fluoresce. The fluorescence is viewed end-on by a CCD camera chip located below the glass window. The arrangement ensures an equal optical path length from all fluorescing spots to the CCD chip and also blocks scattered fluorescence illumination, providing more uniform results and an improved signal to noise ratio.

  15. Multiple capillary biochemical analyzer with barrier member

    DOEpatents

    Dovichi, N.J.; Zhang, J.Z.

    1996-10-22

    A multiple capillary biochemical analyzer is disclosed for sequencing DNA and performing other analyses, in which a set of capillaries extends from wells in a microtiter plate into a cuvette. In the cuvette the capillaries are held on fixed closely spaced centers by passing through a sandwich construction having a pair of metal shims which squeeze between them a rubber gasket, forming a leak proof seal for an interior chamber in which the capillary ends are positioned. Sheath fluid enters the chamber and entrains filament sample streams from the capillaries. The filament sample streams, and sheath fluid, flow through aligned holes in a barrier member spaced close to the capillary ends, into a collection chamber having a lower glass window. The filament streams are illuminated above the barrier member by a laser, causing them to fluoresce. The fluorescence is viewed end-on by a CCD camera chip located below the glass window. The arrangement ensures an equal optical path length from all fluorescing spots to the CCD chip and also blocks scattered fluorescence illumination, providing more uniform results and an improved signal-to-noise ratio. 12 figs.

  16. A Pan-STARRS1 Search for Substellar Young Moving Group Members

    NASA Astrophysics Data System (ADS)

    Aller, Kimberly M.; Liu, Michael C.; Magnier, Eugene A.

    2016-01-01

    Young moving groups (YMGs) are coeval, comoving groups of stars which have migrated from their birthsites after formation. In the substellar regime, YMG members are key benchmarks to empirically define brown dwarf evolution with age and to study the lowest mass end of the initial mass function. We have combined Pan-STARRS1 (PS1) proper motions with optical+IR photometry from PS1, 2MASS and WISE to perform a large-scale (~30,000 deg2) systematic search for substellar members down to ~10 MJup . We have obtained near-IR spectroscopy of a large sample of ultracool candidate YMG members to assess their youth via gravity-sensitive absorption features. We have identified several new intermediate-gravity candidate members of the AB Dor Moving Group, potentially greatly expanding the substellar membership. These new candidate members bridge the gap between the known low-mass stellar and planetary-mass members and yield valuable insight into the spectral characteristics of young brown dwarfs.

  17. Members of the DAN Family are BMP Antagonists that form Highly Stable Noncovalent Dimers

    PubMed Central

    Kattamuri, Chandramohan; Luedeke, David M.; Nolan, Kristof; Rankin, Scott A.; Greis, Kenneth D.; Zorn, Aaron M.; Thompson, Thomas B.

    2012-01-01

    Signaling of BMP ligands is antagonized by a number of extracellular proteins, including noggin, follistatin and members of the DAN family. Structural studies on the DAN family member sclerostin (a weak BMP antagonist) have previously revealed that the protein is monomeric and consists of an 8-membered cystine knot motif with a fold similar to TGF-β ligands. In contrast to sclerostin, certain DAN family antagonists, including Protein related to DAN and Cerberus (PRDC), have an unpaired cysteine that is thought to function in covalent dimer assembly (analogous to TGF-β ligands). Through a combination of biophysical and biochemical studies, we determined that PRDC forms biologically active dimers that potently inhibit BMP ligands. Furthermore, we showed that PRDC dimers, surprisingly, are not covalently linked, as mutation of the unpaired cysteine does not inhibit dimer formation or biological activity. We further demonstrated that the noncovalent PRDC dimers are highly stable under both denaturing and reducing conditions. This study was extended to the founding family member DAN, which also forms noncovalent dimers that are highly stable. These results demonstrate that certain DAN family members can form both monomers and noncovalent dimers, implying that biological activity of DAN family members might be linked to their oligomeric state. PMID:23063586

  18. Method for electrically isolating an electrically conductive member from another such member

    DOEpatents

    Tsang, K.L.; Chen, Y.

    1984-02-09

    The invention relates to methods for electrically isolating a first electrically conductive member from another such member by means of an electrically insulating medium. In accordance with the invention, the insulating medium is provided in the form of MgO which contains a dopant selected from lithium, copper, cobalt, sodium, silver, gold and hydrogen. The dopant is present in the MgO in an amount effective to suppress dielectric breakdown of the MgO, even at elevated temperatures and in the presence of electrical fields.

  19. APPARATUS FOR NON-DESTRUCTIVE INSPECTION OF CANTILEVERED MEMBERS

    DOEpatents

    Taylor, E.R.; Mahoney, C.H.; Lay, C.R.

    1961-10-24

    An apparatus for non-destructive inspection of cantilevered members, such as compressor blades, is described. The member under inspection is vibrated with a regulated source of air under pressure. The amplitude of vibration of the member is maintained at its natural frequency. The frequency of vibration of the member is measured. An indication of an excessive decay or erratic shifting in the measured frequency above an allowable hysteretic decay is provided as an indication of a fault in the member. The member is vibrated for a selected test period. (AEC)

  20. Children's prosocial behavioural intentions towards outgroup members.

    PubMed

    Abrams, Dominic; Van de Vyver, Julie; Pelletier, Joseph; Cameron, Lindsey

    2015-09-01

    When will children decide to help outgroup peers? We examined how intergroup competition, social perspective taking (SPT), and empathy influence children's (5-10 years, N = 287) prosocial intentions towards outgroup members. Study 1 showed that, in a minimal group situation, prosociality was lower in an intergroup competitive than in a non-competitive or interpersonal context. Study 2 revealed that, in a real groups situation involving intergroup competition, prosociality was associated with higher empathy and lower competitive motivation. In a subsequent non-competitive context, there were age differences in the impact of SPT and competitive motivation. With age, relationships strengthened between SPT and prosociality (positively) and between competitiveness and prosociality (negatively). Among older children, there was a carry-over effect whereby feelings of intergroup competitiveness aroused by the intergroup competitive context suppressed outgroup prosociality in the following non-competitive context. Theoretical and practical implications for improving children's intergroup relationships are discussed.

  1. Children's prosocial behavioural intentions towards outgroup members.

    PubMed

    Abrams, Dominic; Van de Vyver, Julie; Pelletier, Joseph; Cameron, Lindsey

    2015-09-01

    When will children decide to help outgroup peers? We examined how intergroup competition, social perspective taking (SPT), and empathy influence children's (5-10 years, N = 287) prosocial intentions towards outgroup members. Study 1 showed that, in a minimal group situation, prosociality was lower in an intergroup competitive than in a non-competitive or interpersonal context. Study 2 revealed that, in a real groups situation involving intergroup competition, prosociality was associated with higher empathy and lower competitive motivation. In a subsequent non-competitive context, there were age differences in the impact of SPT and competitive motivation. With age, relationships strengthened between SPT and prosociality (positively) and between competitiveness and prosociality (negatively). Among older children, there was a carry-over effect whereby feelings of intergroup competitiveness aroused by the intergroup competitive context suppressed outgroup prosociality in the following non-competitive context. Theoretical and practical implications for improving children's intergroup relationships are discussed. PMID:25773274

  2. Czech Republic to Become Member of ESO

    NASA Astrophysics Data System (ADS)

    2006-12-01

    Today, an agreement was signed in Prague between ESO and the Czech Republic, aiming to make the latter become a full member of ESO as of 1 January 2007. "The future membership of the Czech Republic in ESO opens for the Czech astronomers completely new opportunities and possibilities. It will foster this discipline on the highest quality level and open new opportunities for Czech industry to actively cooperate in research and development of high-tech instruments for astronomical research," said Miroslava Kopicová, Minister of Education, Youth and Sports of the Czech Republic. ESO PR Photo 52/06 ESO PR Photo 52/06 Signing Ceremony "We warmly welcome the Czech Republic as the thirteenth member of ESO," said Catherine Cesarsky, ESO's Director General. "The timing couldn't be better chosen: with the Very Large Telescope, Europe is now at the forefront of ground-based astronomy, and with the construction of ALMA and the final studies for the European Extremely Large Telescope, we will ensure that this will remain so for several decades. We look forward to working together with our Czech colleagues towards these successes." The signing event took place at the Czech Ministry of Education, Youth and Sports in Prague. Following ratification by the Czech Parliament, the Czech Republic with thus join the twelve present member states of ESO, the European Organisation for Astronomical Research in the Southern Hemisphere: Belgium, Denmark, France, Finland, Germany, Italy, the Netherlands, Portugal, Spain, Sweden, Switzerland and the United Kingdom. The Czech Republic is the first country from Central and Eastern Europe to join ESO. Astronomy in the Czech Republic has a very long tradition that dates from as far back as 3500 BC. Four centuries ago, Tycho Brahe and Johannes Kepler established themselves in Prague at the invitation of the emperor Rudolph II, laying the ground for the first golden age in astronomy. Later, eminent scientists such as Christian Doppler, Ernst Mach and

  3. STS-82 Crew Members in VPF

    NASA Technical Reports Server (NTRS)

    2000-01-01

    In KSCs Vertical Processing Facility, STS-82 crew members get familiar with some of the hardware they will handle on the second Hubble Space Telescope (HST) servicing mission. Looking over the Flight Support System (FSS) Berthing and Positioning System (BAPS) ring are Mission Specialist Joseph R. 'Joe' Tanner, at far left; Payload Commander Mark C. Lee, third from left; and Gregory J. Harbaugh, fourth from left, along with HST workers. Tanner, Lee and Harbaugh, along with Mission Specialist Steven L. Smith, will perform the spacewalks required for servicing and repair of HST, which was deployed nearly seven years ago and first serviced in 1993. STS-82 is targeted for a mid-February liftoff on the Space Shuttle Discovery.

  4. Nutrititional Status Assessment of International Space Station Crew Members

    NASA Technical Reports Server (NTRS)

    Smith, S. M.; Zwart, S. R.; Block, G.; Rice, B. I.; Davis-Street, J. F.

    2005-01-01

    Defining optimal nutrient requirements is imperative to ensure crew health on long-duration space exploration missions. To date, nutrient requirement data have been extremely limited because of small sample sizes and difficulties associated with collecting biological samples. In this study, we examined changes in body composition, bone metabolism, hematology, general blood chemistry, and blood levels of selected vitamins and minerals after long-duration (128-195 d) space flight aboard the International Space Station. Crew members consumed an average of 80% of the recommended energy intakes, and on landing day their body weight had decreased (P=0.051). After flight, hematocrit was less, and serum femtin was greater than before flight (P<0.01). Serum iron, ferritin saturation, and transferrin had decreased after flight. The finding that other acute-phase proteins, including ceruloplasmin, retinol binding protein, transthyretin, and albumin were not changed after flight suggests that the changes in iron metabolism may not be strictly due to an inflammatory response. Urinary 8- hydroxy-2'-deoxyguanosine concentration was greater and superoxide dismutase was less after flight, indicating that oxidative damage had increased (P<0.05). Despite the reported use of vitamin D supplements during flight, serum 25-hydroxyvitamin D was significantly decreased after flight (P<0.01). Bone resorption was increased after flight, as indicated by several urinary markers of bone resorption. Bone formation, assessed by serum concentration of bone-specific alkaline phosphatase, was elevated only in crew members who landed in Russia, probably because of the longer time lapse between landing and sample collection. These data provide evidence that bone loss, compromised vitamin D status, and oxidative damage remain critical concerns for long-duration space flight.

  5. Comet formation

    NASA Astrophysics Data System (ADS)

    Blum, J.

    2014-07-01

    There has been vast progress in our understanding of planetesimal formation over the past decades, owing to a number of laboratory experiments as well as to refined models of dust and ice agglomeration in protoplanetary disks. Coagulation rapidly forms cm-sized ''pebbles'' by direct sticking in collisions at low velocities (Güttler et al. 2010; Zsom et al. 2010). For the further growth, two model approaches are currently being discussed: (1) Local concentration of pebbles in nebular instabilities until gravitational instability occurs (Johansen et al. 2007). (2) A competition between fragmentation and mass transfer in collisions among the dusty bodies, in which a few ''lucky winners'' make it to planetesimal sizes (Windmark et al. 2012a,b; Garaud et al. 2013). Predictions of the physical properties of the resulting bodies in both models allow a distinction of the two formation scenarios of planetesimals. In particular, the tensile strength (i.e, the inner cohesion) of the planetesimals differ widely between the two models (Skorov & Blum 2012; Blum et al. 2014). While model (1) predicts tensile strengths on the order of ˜ 1 Pa, model (2) results in rather compactified dusty bodies with tensile strengths in the kPa regime. If comets are km-sized survivors of the planetesimal-formation era, they should in principle hold the secret of their formation process. Water ice is the prime volatile responsible for the activity of comets. Thermophysical models of the heat and mass transport close to the comet-nucleus surface predict water-ice sublimation temperatures that relate to maximum sublimation pressures well below the kPa regime predicted for formation scenario (2). Model (1), however, is in agreement with the observed dust and gas activity of comets. Thus, a formation scenario for cometesimals involving gravitational instability is favored (Blum et al. 2014).

  6. 7 CFR 983.42 - Initial members and nomination of successor members.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... of assessments of those pistachios. The committee with the approval of the Secretary, may revise the... or financial indebtedness owed by the cooperative to a producer if the producer has not marketed... public member shall have a financial interest in any pistachio growing or handling operation. (m)...

  7. Family Members' Reports of the Technology Use of Family Members with Intellectual and Developmental Disabilities

    ERIC Educational Resources Information Center

    Palmer, S. B.; Wehmeyer, M. L.; Davies, D. K.; Stock, S. E.

    2012-01-01

    Background: A nationwide survey of family members of people with intellectual and developmental disabilities ranging in age from birth through adulthood was conducted to replicate a similar effort by Wehmeyer and update the knowledge base concerning technology use by people with intellectual and developmental disabilities. Method: Survey responses…

  8. 7 CFR 905.150 - Eligibility requirements for public member and alternate member.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ...) The public member shall be neither a producer nor a handler of Florida citrus fruit and shall have no direct financial interest in the production or marketing of citrus fruit (except as a consumer of... should be nominated by the Citrus Administrative Committee and should serve a 1-year term which...

  9. 7 CFR 905.150 - Eligibility requirements for public member and alternate member.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ...) The public member shall be neither a producer nor a handler of Florida citrus fruit and shall have no direct financial interest in the production or marketing of citrus fruit (except as a consumer of... should be nominated by the Citrus Administrative Committee and should serve a 1-year term which...

  10. 7 CFR 905.150 - Eligibility requirements for public member and alternate member.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ...) The public member shall be neither a producer nor a handler of Florida citrus fruit and shall have no direct financial interest in the production or marketing of citrus fruit (except as a consumer of... should be nominated by the Citrus Administrative Committee and should serve a 1-year term which...

  11. 7 CFR 905.150 - Eligibility requirements for public member and alternate member.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ...) The public member shall be neither a producer nor a handler of Florida citrus fruit and shall have no direct financial interest in the production or marketing of citrus fruit (except as a consumer of... should be nominated by the Citrus Administrative Committee and should serve a 1-year term which...

  12. 7 CFR 905.150 - Eligibility requirements for public member and alternate member.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ...) The public member shall be neither a producer nor a handler of Florida citrus fruit and shall have no direct financial interest in the production or marketing of citrus fruit (except as a consumer of... should be nominated by the Citrus Administrative Committee and should serve a 1-year term which...

  13. Planet Formation

    NASA Astrophysics Data System (ADS)

    Klahr, Hubert; Brandner, Wolfgang

    2011-02-01

    1. Historical notes on planet formation Bodenheimer; 2. The formation and evolution of planetary systems Bouwman et al.; 3. Destruction of protoplanetary disks by photoevaporation Richling, Hollenbach and Yorke; 4. Turbulence in protoplanetary accretion disks Klahr, Rozyczka, Dziourkevitch, Wunsch and Johansen; 5. The origin of solids in the early solar system Trieloff and Palme; 6. Experiments on planetesimal formation Wurm and Blum; 7. Dust coagulation in protoplanetary disks Henning, Dullemond, Wolf and Dominik; 8. The accretion of giant planet cores Thommes and Duncan; 9. Planetary transits: direct vision of extrasolar planets Lecavelier des Etangs and Vidal-Madjar; 10. The core accretion - gas capture model Hubickyj; 11. Properties of exoplanets Marcy, Fischer, Butler and Vogt; 12. Giant planet formation: theories meet observations Boss; 13. From hot Jupiters to hot Neptures … and below Lovis, Mayor and Udry; 14. Disk-planet interaction and migration Masset and Kley; 15. The Brown Dwarf - planet relation Bate; 16. From astronomy to astrobiology Brandner; 17. Overview and prospective Lin.

  14. Ten Warning Signs Your Older Family Member May Need Help

    MedlinePlus

    ... Friendly Online Chat 10 Warning Signs Your Older Family Member May Need Help Changes in physical and ... difficult to detect—for older adults and their family members, friends, and caregivers. To help in determining ...

  15. 7 CFR 1210.405 - Public member nominations and selection.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... WATERMELON RESEARCH AND PROMOTION PLAN Nominating Procedures Public Member § 1210.405 Public member... watermelons except as a consumer and shall not be a director, stockholder, officer or employee of any firm...

  16. 7 CFR 1210.405 - Public member nominations and selection.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... WATERMELON RESEARCH AND PROMOTION PLAN Nominating Procedures Public Member § 1210.405 Public member... watermelons except as a consumer and shall not be a director, stockholder, officer or employee of any firm...

  17. 7 CFR 1210.405 - Public member nominations and selection.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... WATERMELON RESEARCH AND PROMOTION PLAN Nominating Procedures Public Member § 1210.405 Public member... watermelons except as a consumer and shall not be a director, stockholder, officer or employee of any firm...

  18. 7 CFR 1210.405 - Public member nominations and selection.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... WATERMELON RESEARCH AND PROMOTION PLAN Nominating Procedures Public Member § 1210.405 Public member... watermelons except as a consumer and shall not be a director, stockholder, officer or employee of any firm...

  19. 7 CFR 1210.405 - Public member nominations and selection.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... WATERMELON RESEARCH AND PROMOTION PLAN Nominating Procedures Public Member § 1210.405 Public member... watermelons except as a consumer and shall not be a director, stockholder, officer or employee of any firm...

  20. A Comparative Analysis of White versus Black School Board Members.

    ERIC Educational Resources Information Center

    Daniel, Johnnie

    1983-01-01

    Assesses differences between Black and White school board members in their socioeconomic characteristics, in how they became board members, in their educational philosophies, and in their school board activities. (Author/ML)

  1. 22. Top Lateral Bracing & Top Chord, Vertical Tension Member ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    22. Top Lateral Bracing & Top Chord, Vertical Tension Member 6, end Vertical Compression Members 5 & 4; South Swing Span; looking N. - Pacific Shortline Bridge, U.S. Route 20,spanning Missouri River, Sioux City, Woodbury County, IA

  2. Detail showing lower chord tension members, concrete piers, vertical and ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    Detail showing lower chord tension members, concrete piers, vertical and diagonal members at the eastern end of the main truss - William B. Crumpton Bridge, Spanning Tombigbee River on Alabama State Highway 10, Nanafalia, Marengo County, AL

  3. 38 CFR 17.252 - Ex officio member of subcommittee.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... MEDICAL Grants for Exchange of Information § 17.252 Ex officio member of subcommittee. The Assistant Chief Medical Director for Academic Affairs shall be an ex officio member of the Subcommittee on...

  4. 38 CFR 17.252 - Ex officio member of subcommittee.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... MEDICAL Grants for Exchange of Information § 17.252 Ex officio member of subcommittee. The Assistant Chief Medical Director for Academic Affairs shall be an ex officio member of the Subcommittee on...

  5. NCME Members' Suggestions for Recruiting New Measurement Professionals.

    ERIC Educational Resources Information Center

    Sireci, Stephen G.; Khaliq, Shameem Nyla

    2002-01-01

    Surveyed members of the National Council on Measurement in Education (NCME) about ideas for recruiting new educational measurement professionals. Responses of 131 people, presumably NCME members, generated a number of ideas about making people more aware of the educational measurement profession, recruiting new members, and increasing the…

  6. 48 CFR 9.703 - Contracting with individual pool members.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... individual pool members. 9.703 Section 9.703 Federal Acquisition Regulations System FEDERAL ACQUISITION REGULATION ACQUISITION PLANNING CONTRACTOR QUALIFICATIONS Defense Production Pools and Research and Development Pools 9.703 Contracting with individual pool members. (a) Pool members may submit...

  7. 48 CFR 9.703 - Contracting with individual pool members.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... individual pool members. 9.703 Section 9.703 Federal Acquisition Regulations System FEDERAL ACQUISITION REGULATION ACQUISITION PLANNING CONTRACTOR QUALIFICATIONS Defense Production Pools and Research and Development Pools 9.703 Contracting with individual pool members. (a) Pool members may submit...

  8. 48 CFR 9.703 - Contracting with individual pool members.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... individual pool members. 9.703 Section 9.703 Federal Acquisition Regulations System FEDERAL ACQUISITION REGULATION ACQUISITION PLANNING CONTRACTOR QUALIFICATIONS Defense Production Pools and Research and Development Pools 9.703 Contracting with individual pool members. (a) Pool members may submit...

  9. 48 CFR 9.703 - Contracting with individual pool members.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... individual pool members. 9.703 Section 9.703 Federal Acquisition Regulations System FEDERAL ACQUISITION REGULATION ACQUISITION PLANNING CONTRACTOR QUALIFICATIONS Defense Production Pools and Research and Development Pools 9.703 Contracting with individual pool members. (a) Pool members may submit...

  10. 42 CFR 31.9 - Dependent members of families; treatment.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 42 Public Health 1 2014-10-01 2014-10-01 false Dependent members of families; treatment. 31.9... Public Health Service § 31.9 Dependent members of families; treatment. To the extent and under the... the dependent members of families of the following persons: (a) Coast Guard. Commissioned...

  11. 42 CFR 31.9 - Dependent members of families; treatment.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 42 Public Health 1 2013-10-01 2013-10-01 false Dependent members of families; treatment. 31.9... Public Health Service § 31.9 Dependent members of families; treatment. To the extent and under the... the dependent members of families of the following persons: (a) Coast Guard. Commissioned...

  12. 42 CFR 31.9 - Dependent members of families; treatment.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 42 Public Health 1 2012-10-01 2012-10-01 false Dependent members of families; treatment. 31.9... Public Health Service § 31.9 Dependent members of families; treatment. To the extent and under the... the dependent members of families of the following persons: (a) Coast Guard. Commissioned...

  13. Member Disclosure in Personal Growth Groups: Effects of Leader Disclosure

    ERIC Educational Resources Information Center

    Moss, Carolyn J.; Harren, Vincent A.

    1978-01-01

    This research explores the impact of leader behavior on individual group members in growth groups. Affect of message was found to be the only predictor of member-disclosure. Effects of leader-disclosure on member self-disclosure is difficult to interpret. (MFD)

  14. 10 CFR 7.19 - Advisory committee members with disabilities.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 10 Energy 1 2011-01-01 2011-01-01 false Advisory committee members with disabilities. 7.19 Section 7.19 Energy NUCLEAR REGULATORY COMMISSION ADVISORY COMMITTEES § 7.19 Advisory committee members with disabilities. An NRC advisory committee member who is disabled may be provided services by a personal...

  15. 10 CFR 7.19 - Advisory committee members with disabilities.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 10 Energy 1 2014-01-01 2014-01-01 false Advisory committee members with disabilities. 7.19 Section 7.19 Energy NUCLEAR REGULATORY COMMISSION ADVISORY COMMITTEES § 7.19 Advisory committee members with disabilities. An NRC advisory committee member who is disabled may be provided services by a personal...

  16. 10 CFR 7.19 - Advisory committee members with disabilities.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 10 Energy 1 2010-01-01 2010-01-01 false Advisory committee members with disabilities. 7.19 Section 7.19 Energy NUCLEAR REGULATORY COMMISSION ADVISORY COMMITTEES § 7.19 Advisory committee members with disabilities. An NRC advisory committee member who is disabled may be provided services by a personal...

  17. 10 CFR 7.19 - Advisory committee members with disabilities.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 10 Energy 1 2013-01-01 2013-01-01 false Advisory committee members with disabilities. 7.19 Section 7.19 Energy NUCLEAR REGULATORY COMMISSION ADVISORY COMMITTEES § 7.19 Advisory committee members with disabilities. An NRC advisory committee member who is disabled may be provided services by a personal...

  18. 10 CFR 7.19 - Advisory committee members with disabilities.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 10 Energy 1 2012-01-01 2012-01-01 false Advisory committee members with disabilities. 7.19 Section 7.19 Energy NUCLEAR REGULATORY COMMISSION ADVISORY COMMITTEES § 7.19 Advisory committee members with disabilities. An NRC advisory committee member who is disabled may be provided services by a personal...

  19. 29 CFR 511.4 - Compensation of committee members.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 29 Labor 3 2010-07-01 2010-07-01 false Compensation of committee members. 511.4 Section 511.4... WAGE ORDER PROCEDURE FOR AMERICAN SAMOA § 511.4 Compensation of committee members. Each member of an industry committee will be allowed per diem compensation at the rate specified in Chapter 304 of...

  20. 42 CFR 31.9 - Dependent members of families; treatment.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 42 Public Health 1 2011-10-01 2011-10-01 false Dependent members of families; treatment. 31.9... Public Health Service § 31.9 Dependent members of families; treatment. To the extent and under the... the dependent members of families of the following persons: (a) Coast Guard. Commissioned...

  1. Found Poems, Member Checking and Crises of Representation

    ERIC Educational Resources Information Center

    Reilly, Rosemary C.

    2013-01-01

    In order to establish veracity, qualitative researchers frequently rely on member checks to insure credibility by giving participants opportunities to correct errors, challenge interpretations and assess results; however, member checks are not without drawbacks. This paper describes an innovative approach to conducting member checks. Six members…

  2. 7 CFR 1230.33 - Appointment of importer members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 10 2010-01-01 2010-01-01 false Appointment of importer members. 1230.33 Section 1230... National Pork Producers Delegate Body § 1230.33 Appointment of importer members. The Secretary shall appoint the importer members of each Delegate Body after consultation with importers....

  3. 12 CFR 1278.6 - Ratification by Bank members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 12 Banks and Banking 9 2012-01-01 2012-01-01 false Ratification by Bank members. 1278.6 Section 1278.6 Banks and Banking FEDERAL HOUSING FINANCE AGENCY FEDERAL HOME LOAN BANKS VOLUNTARY MERGERS OF FEDERAL HOME LOAN BANKS § 1278.6 Ratification by Bank members. (a) Requirements for member vote. No...

  4. 12 CFR 1278.6 - Ratification by Bank Members.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 12 Banks and Banking 9 2013-01-01 2013-01-01 false Ratification by Bank Members. 1278.6 Section 1278.6 Banks and Banking FEDERAL HOUSING FINANCE AGENCY FEDERAL HOME LOAN BANKS VOLUNTARY MERGERS OF FEDERAL HOME LOAN BANKS § 1278.6 Ratification by Bank Members. (a) Requirements for member vote. No...

  5. 12 CFR 1278.6 - Ratification by Bank Members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 12 Banks and Banking 10 2014-01-01 2014-01-01 false Ratification by Bank Members. 1278.6 Section 1278.6 Banks and Banking FEDERAL HOUSING FINANCE AGENCY FEDERAL HOME LOAN BANKS VOLUNTARY MERGERS OF FEDERAL HOME LOAN BANKS § 1278.6 Ratification by Bank Members. (a) Requirements for member vote. No...

  6. 12 CFR 917.4 - Bank Member Products Policy.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ....4 Banks and Banking FEDERAL HOUSING FINANCE BOARD GOVERNANCE AND MANAGEMENT OF THE FEDERAL HOME LOAN BANKS POWERS AND RESPONSIBILITIES OF BANK BOARDS OF DIRECTORS AND SENIOR MANAGEMENT § 917.4 Bank Member...'s management of products offered by the Bank to members and housing associates, including but...

  7. 48 CFR 9.703 - Contracting with individual pool members.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... individual pool members. 9.703 Section 9.703 Federal Acquisition Regulations System FEDERAL ACQUISITION REGULATION ACQUISITION PLANNING CONTRACTOR QUALIFICATIONS Defense Production Pools and Research and Development Pools 9.703 Contracting with individual pool members. (a) Pool members may submit...

  8. 12 CFR 969.2 - Deposits from members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 12 Banks and Banking 7 2010-01-01 2010-01-01 false Deposits from members. 969.2 Section 969.2 Banks and Banking FEDERAL HOUSING FINANCE BOARD FEDERAL HOME LOAN BANK LIABILITIES DEPOSITS § 969.2 Deposits from members. Banks may accept demand and time deposits from members, reserving the right...

  9. 42 CFR 435.119 - Qualified family members.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... Family Members § 435.119 Qualified family members. (a) Definition. A qualified family member is any... that the State makes Medicaid available to any individual who meets the definition of “qualified family... Coverage for individuals age 19 or older and under age 65 at or below 133 percent FPL. (a) Basis....

  10. 42 CFR 31.9 - Dependent members of families; treatment.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 42 Public Health 1 2010-10-01 2010-10-01 false Dependent members of families; treatment. 31.9... Public Health Service § 31.9 Dependent members of families; treatment. To the extent and under the... the dependent members of families of the following persons: (a) Coast Guard. Commissioned...

  11. 22 CFR 906.6 - Powers of presiding member.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 22 Foreign Relations 2 2014-04-01 2014-04-01 false Powers of presiding member. 906.6 Section 906.6 Foreign Relations FOREIGN SERVICE GRIEVANCE BOARD HEARINGS § 906.6 Powers of presiding member. In connection with the hearing, the presiding member shall, as appropriate: (a) Fix the time and place of...

  12. 22 CFR 906.6 - Powers of presiding member.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 22 Foreign Relations 2 2013-04-01 2009-04-01 true Powers of presiding member. 906.6 Section 906.6 Foreign Relations FOREIGN SERVICE GRIEVANCE BOARD HEARINGS § 906.6 Powers of presiding member. In connection with the hearing, the presiding member shall, as appropriate: (a) Fix the time and place of...

  13. 12 CFR 745.13 - Notification to members/shareholders.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 12 Banks and Banking 6 2010-01-01 2010-01-01 false Notification to members/shareholders. 745.13 Section 745.13 Banks and Banking NATIONAL CREDIT UNION ADMINISTRATION REGULATIONS AFFECTING CREDIT UNIONS... Notification to members/shareholders. Each insured credit union shall provide notice to its members...

  14. LRP receptor family member associated bone disease.

    PubMed

    Lara-Castillo, N; Johnson, M L

    2015-06-01

    A dozen years ago the identification of causal mutations in the low-density lipoprotein receptor-related protein 5 (LRP5) gene involved in two rare bone disorders propelled research in the bone field in totally new directions. Since then, there have been an explosion in the number of reports that highlight the role of the Wnt/β-catenin pathway in the regulation of bone homeostasis. In this review we discuss some of the most recent reports (in the past 2 years) highlighting the involvement of the members of the LRP family (LRP5, LRP6, LRP4, and more recently LRP8) in the maintenance of bone and their implications in bone diseases. These reports include records of new single nucleotides polymorphisms (SNPs) and haplotypes that suggest variants in these genes can contribute to subtle variation in bone traits to mutations that give rise to extreme bone phenotypes. All of these serve to further support and reinforce the importance of this tightly regulated pathway in bone. Furthermore, we discuss provocative reports suggesting novel approaches through inhibitors of this pathway to treat rarer diseases such as Osteoporosis-Pseudoglioma Syndrome (OPPG), Osteogenesis Imperfecta (OI), and Sclerosteosis/Van Buchem disease. It is hoped that by understanding the role of each component of the pathway and their involvement in bone diseases that this knowledge will allow us to develop new, more effective therapeutic approaches for more common diseases such as post-menopausal osteoporosis, osteoarthritis, and rheumatoid arthritis as well as these rarer bone diseases.

  15. Galaxy formation.

    PubMed

    Peebles, P J

    1998-01-01

    It is argued that within the standard Big Bang cosmological model the bulk of the mass of the luminous parts of the large galaxies likely had been assembled by redshift z approximately 10. Galaxy assembly this early would be difficult to fit in the widely discussed adiabatic cold dark matter model for structure formation, but it could agree with an isocurvature version in which the cold dark matter is the remnant of a massive scalar field frozen (or squeezed) from quantum fluctuations during inflation. The squeezed field fluctuations would be Gaussian with zero mean, and the distribution of the field mass therefore would be the square of a random Gaussian process. This offers a possibly interesting new direction for the numerical exploration of models for cosmic structure formation.

  16. Galaxy formation

    PubMed Central

    Peebles, P. J. E.

    1998-01-01

    It is argued that within the standard Big Bang cosmological model the bulk of the mass of the luminous parts of the large galaxies likely had been assembled by redshift z ∼ 10. Galaxy assembly this early would be difficult to fit in the widely discussed adiabatic cold dark matter model for structure formation, but it could agree with an isocurvature version in which the cold dark matter is the remnant of a massive scalar field frozen (or squeezed) from quantum fluctuations during inflation. The squeezed field fluctuations would be Gaussian with zero mean, and the distribution of the field mass therefore would be the square of a random Gaussian process. This offers a possibly interesting new direction for the numerical exploration of models for cosmic structure formation. PMID:9419326

  17. 17 CFR 240.11a2-2(T) - Transactions effected by exchange members through other members.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Transactions effected by exchange members through other members. 240.11a2-2(T) Section 240.11a2-2(T) Commodity and Securities... Regulation (rule 11a-1) § 240.11a2-2(T) Transactions effected by exchange members through other members....

  18. Dual mode fuel injector with one piece needle valve member

    DOEpatents

    Lawrence, Keith E.; Hinrichsen, Michael H.; Buckman, Colby

    2005-01-18

    A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively by inner and outer needle value members. The homogenous charged nozzle outlet set is defined by an outer needle value member that is moveably positioned in an injector body, which defines the conventional nozzle outlet set. The inner needle valve member is positioned in the outer needle valve member. The outer needle valve member is a piece component that includes at least one external guide surface, an external value surface and an internal valve seat.

  19. Thermodynamic consistencies and anomalies among end-member silicate garnets.

    PubMed

    Glasser, Leslie

    2014-09-01

    Materials with the garnet crystal structure include silicate minerals of importance both in geology, on account of their use in geothermobarometry, and industrially as abrasives. As a consequence of the former, there is considerable published thermodynamic information concerning them. We here examine this thermodynamic information for end-member silicate garnets (some of which are synthetic since not all occur in nature) for consistencies and anomalies, using thermodynamic relations between thermodynamic properties that we have established over recent years. The principal properties of interest are formula volume, heat capacity, entropy, formation enthalpy (from which the Gibbs energy may be obtained), and isothermal compressibility. A significant observation is that the ambient-temperature heat capacities of the silicate garnets are rather similar, whereas their ambient-temperature entropies are roughly proportional to their formula volumes. Evaluation of their Debye temperatures implies that their vibrational contributions to heat capacity are fully excited at ambient temperatures. The relatively small isothermal compressibilities of these garnets is related to the rigidity of their constituent silicate tetrahedra. We here establish additive single-ion values for each of the thermodynamic properties, which may be applied in estimating corresponding values for related materials.

  20. 19 CFR 122.75b - Electronic manifest requirement for crew members and non-crew members onboard commercial aircraft...

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... issued by the TSA to an air carrier subject to the provisions of 49 CFR part 1544, 1546, or 1550. The... and non-crew members onboard commercial aircraft departing from the United States. 122.75b Section 122...; Electronic Manifest Requirements for Passengers, Crew Members, and Non-Crew Members Onboard...

  1. 19 CFR 122.75b - Electronic manifest requirement for crew members and non-crew members onboard commercial aircraft...

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... issued by the TSA to an air carrier subject to the provisions of 49 CFR part 1544, 1546, or 1550. The... and non-crew members onboard commercial aircraft departing from the United States. 122.75b Section 122...; Electronic Manifest Requirements for Passengers, Crew Members, and Non-Crew Members Onboard...

  2. 19 CFR 122.75b - Electronic manifest requirement for crew members and non-crew members onboard commercial aircraft...

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... issued by the TSA to an air carrier subject to the provisions of 49 CFR part 1544, 1546, or 1550. The... and non-crew members onboard commercial aircraft departing from the United States. 122.75b Section 122...; Electronic Manifest Requirements for Passengers, Crew Members, and Non-Crew Members Onboard...

  3. 19 CFR 122.75b - Electronic manifest requirement for crew members and non-crew members onboard commercial aircraft...

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... issued by the TSA to an air carrier subject to the provisions of 49 CFR part 1544, 1546, or 1550. The... and non-crew members onboard commercial aircraft departing from the United States. 122.75b Section 122...; Electronic Manifest Requirements for Passengers, Crew Members, and Non-Crew Members Onboard...

  4. 19 CFR 122.75b - Electronic manifest requirement for crew members and non-crew members onboard commercial aircraft...

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... issued by the TSA to an air carrier subject to the provisions of 49 CFR part 1544, 1546, or 1550. The... and non-crew members onboard commercial aircraft departing from the United States. 122.75b Section 122...; Electronic Manifest Requirements for Passengers, Crew Members, and Non-Crew Members Onboard...

  5. 12 CFR Appendix B to Part 748 - Guidance on Response Programs for Unauthorized Access to Member Information and Member Notice

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... appendix A, paragraph III.C. a. Access controls on member information systems, including controls to... place access controls on member information systems and conduct background checks for employees who are... policies, procedures, member information systems, and other arrangements in place to control risks. 30...

  6. EXFOR SYSTEMS MANUAL NUCLEAR REACTION DATA EXCHANGE FORMAT.

    SciTech Connect

    MCLANE,V.; NUCLEAR DATA CENTER NETWORK

    2000-05-19

    EXFOR is an exchange format designed to allow transmission of nuclear reaction data between the members of the Nuclear Data Centers Network. This document has been written for use by the members of the Network and includes matters of procedure and protocol, as well as detailed rules for the compilation of data. Users may prefer to consult EXFOR Basics' for a brief description of the format.

  7. Mixed mode fuel injector with individually moveable needle valve members

    DOEpatents

    Stewart, Chris; Chockley, Scott A.; Ibrahim, Daniel R.; Lawrence, Keith; Tomaseki, Jay; Azam, Junru H.; Tian, Steven Ye; Shafer, Scott F.

    2004-08-03

    A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively, by first and second needle valve members. One of the needle valve members moves to an open position while the other needle valve member remains stationary for a homogeneous charge injection event. The former needle valve member stays stationary while the other needle valve member moves to an open position for a conventional injection event. One of the needle valve members is at least partially positioned in the other needle valve member. Thus, the injector can perform homogeneous charge injection events, conventional injection events, or even a mixed mode having both types of injection events in a single engine cycle.

  8. Contrasting diagenetic histories of concretions vs. host rocks, Lion Mountain Member, Riley formation (upper Cambrian), Texas

    SciTech Connect

    McBride, E.F.

    1988-02-01

    White, elliptical, calcite-cemented concretion nuclei up to 1 m long contrast markedly in color, composition, and diagenetic history from more glauconite-rich concretion rinds and from dark-green glaucarenite host rocks. Concretion nuclei are loosely packed deposits of trilobite carapaces and minor quartz and glauconite that have intergranular volumes of 58%. The nuclei are shell-lag deposits that were cemented by calcite at the sea floor or after burial of a few meters. Concretion rinds, composed of subequal amounts of quartz and compactionally deformed glauconite, have an intergranular volume of only 32% and minor quartz overgrowths that preceded pore-occluding calcite cement. The rinds underwent burial for several million years to tens of millions of years to depths of several hundred meters before they were cemented. The host rock is predominately glauconite with very minor quartz and calcite cement. Strontium isotopic ratios of host-rock calcite cement are variable (0.7084 to 0.7093), but the lowest value suggests precipitation during the Middle Ordovician. In the absence of significant amounts of carbonate cement, the host rock underwent complete dissolution of trilobite carapaces and maximum compaction with total loss of porosity through squashing of glauconite grains. Maximum burial during this stage was completed by the end of Ordovician time.

  9. LRP Receptor Family Member Associated Bone Disease

    PubMed Central

    Lara-Castillo, N; Johnson, ML

    2015-01-01

    A dozen years ago the identification of causal mutations in the low-density lipoprotein receptor-related protein 5 (LRP5) gene involved in two rare bone disorders propelled research in the bone field in totally new directions. Since then, there have been an explosion in the number of reports that highlight the role of the Wnt/β-catenin pathway in the regulation of bone homeostasis. In this review we discuss some of the most recent reports (in the past 2 years) highlighting the involvement of the members of the LRP family (LRP5, LRP6, LRP4, and more recently LRP8) in the maintenance of bone and their implications in bone diseases. These reports include records of new single nucleotides polymorphisms (SNPs) and haplotypes that suggest variants in these genes can contribute to subtle variation in bone traits to mutations that give rise to extreme bone phenotypes. All of these serve to further support and reinforce the importance of this tightly regulated pathway in bone. Furthermore, we discuss provocative reports suggesting novel approaches through inhibitors of this pathway to treat rarer diseases such as Osteoporosis-Pseudoglioma Syndrome (OPPG), Osteogenesis Imperfecta (OI), and Sclerosteosis/Van Buchem disease. It is hoped that by understanding the role of each component of the pathway and their involvement in bone diseases that this knowledge will allow us to develop new, more effective therapeutic approaches for more common diseases such as post-menopausal osteoporosis, osteoarthritis, and rheumatoid arthritis as well as these rarer bone diseases. PMID:26048454

  10. Comparative integromics on Angiopoietin family members.

    PubMed

    Katoh, Yuriko; Katoh, Masaru

    2006-06-01

    Angiopoietin-1 (ANGPT1), Angiopoietin-4 (ANGPT4), VEGF, FGF2, FGF4, HGF, Ephrin, IL8 and CXCL12 (SFD1) are pro-angiogenic factors (angiogenic activators), while Angiopoietin-2 (ANGPT2), Angiostatin, Endostatin, Tumstatin, Canstatin, THBS1, THBS2, TNFSF15 (VEGI) and Vasohibin (VASH1) are anti-angiogenic factors (angiogenic inhibitors). ANGPT1 and ANGPT2 are ligands for TIE family receptor tyrosine kinases, TIE1 and TIE2 (TEK). Angiopoietin family consists of ANGPT1, ANGPT2, ANGPT4, ANGPTL1 (ANGPT3), ANGPTL2, ANGPTL3 (ANGPT5), ANGPTL4, ANGPTL5, ANGPTL6 and ANGPTL7. TCF/LEF binding sites within the promoter region of human Angiopoietin family members were searched for by using bioinformatics and human intelligence (Humint). Because four TCF/LEF-binding sites were identified within the human ANGPTL7 promoter, comparative genomics analyses on ANGPTL7 orthologs were further performed. ANGPTL7 gene at human chromosome 1p36.22 was located within intron 28 of FRAP1 gene encoding mTOR protein. Chimpanzee ANGPTL7 gene, consisting of five exons, was located within NW_101546.1 genome sequence. Chimpanzee ANGPTL7 showed 99.4% and 86.1% total-amino-acid identity with human ANGPTL7 and mouse Angptl7, respectively. Human ANGPTL7 mRNA was expressed in neural tissues, keratoconus cornea, trabecular meshwork, melanotic melanoma and uterus endometrial cancer, while mouse Angptl7 mRNA was expressed in four-cell embryo, synovial fibroblasts, thymus, uterus and testis. Four TCF/LEF-binding sites within human ANGPTL7 promoter were conserved in chimpanzee ANGPTL7 promoter; however, only an unrelated TCF/LEF-binding site occurred in mouse and rat Angptl7 promoters. Human ANGPTL7, characterized as potent target gene of WNT/ beta-catenin signaling pathway, is a pharmacogenomics target in the fields of oncology and regenerative medicine. PMID:16685428

  11. Lithofacies of Spencer Formation, western Tualatin Valley, Oregon

    SciTech Connect

    Van Atta, R.O.

    1986-04-01

    The Spencer Formation crops out in a narrow band that trends north-northwest on the western edge of the Willamette and Tualatin Valleys, Oregon. It apparently conformably overlies mud rocks of either the Yamhill or the Nestucca Formation and is conformably overlain by the Pittsburgh Bluff Formation. The Spencer Formation consists of two members (informal): a lower highly micaceous sandstone (800-1000 ft) and an upper member that is micaceous siltstone and mudstone (1000-1300 ft). The lower member includes an upper part that is light-gray to creamy-gray, silty to muddy, pebbly lithic arkose to feldspathic litharenite, with minor arkose. Sorting is poor and beds may be laminated to ripple cross-laminated or massive and bioturbated with abundant mollusk shells, carbonized wood, and burrows. The lower part of the lower member is medium-gray to greenish-gray, silty, pumiceous lithic arkose to feldspathic litharenite. The texture tends to be more uniform and better sorted than that of the upper part of the member. Bedding is commonly massive due to bioturbation. The upper member is medium to dark-gray mudstone with thin pebble-conglomerate lenses. It intertongues with the lower member. Bioturbation, burrows, and carbonized wood are common. The trend in depositional environments appears to be from outer to mid-neritic (lower part, lower member) to shallow neritic, nearshore, and lagoonal (upper part, lower member, and upper member). The provenance of the Spencer Formation includes both proximal volcanics and distant plutonic and high-grade metamorphics.

  12. Amphiplex Formation

    NASA Astrophysics Data System (ADS)

    Petersen, Shannon; Laaser, Jennifer; Lodge, Timothy

    2015-03-01

    Polymer-micelle complexes are currently under heavy investigation due to their potential applications in targeted drug delivery and gene therapy, yet the dynamics of the complex formation is still relatively unstudied. By varying the ratios of poly(styrene sulfonate) chains and cationic poly(dimethylaminoethyl methacrylate)-b-poly(styrene) micelles and the ionic strength of the system, we created a variety of complex configurations of different sizes and charges. The complexes were characterized dynamic light scattering and zeta potential measurements which provided information regarding the hydrodynamic radius, distribution of sizes, and effective charge.

  13. The Context of State Level Policy Formation.

    ERIC Educational Resources Information Center

    Marshall, Catherine; And Others

    Individual members of state legislatures wield the greatest influence in state level policy formation. This was one of the findings of a study that identified the power and influence context of state-level policymaking. Data were gathered from six states (Arizona, California, Pennsylvania, West Virginia, Wisconsin, Illinois) using an instrument…

  14. End member models for Andean Plateau uplift

    NASA Astrophysics Data System (ADS)

    Barnes, J. B.; Ehlers, T. A.

    2009-12-01

    Diverse techniques have been applied over the past decade to quantify the uplift history of the central Andean Plateau (AP). In this study, opposing models for surface uplift are evaluated including: a rapid rise of ˜ 2.5 km ˜ 10-6 Ma and a slow and steady rise since ˜ 40 Ma. These end member models are evaluated by synthesizing observations of the AP lithosphere and the history of deformation, sedimentation, exhumation, magmatism, uplift, and fluvial incision. Structural and geophysical studies estimate variable shortening magnitudes (˜ 530-150 km) involving cover-to-basement rocks, an isostatically-compensated thick crust (˜ 80-65 km), high heat flow, and zones of variable velocity and attenuation in the crust and mantle. These observations have invoked interpretations such as a hot/weak lithosphere, partial melt, crustal flow, and perhaps current, localized delamination, but do not provide strong support for massive delamination required by the rapid uplift model. Deformation and associated exhumation began ˜ 60-40 Ma and generally migrated eastward with consistent long-term average shortening rates (˜ 12-8 mm/yr) in Bolivia, favoring the slow uplift model. Volcanic and helium isotope evidence show an AP-wide zone of shallow mantle melting and thin lithosphere that has existed since ˜ 25 Ma, which is inconsistent with the rapid rise model that suggests lithospheric thinning occurred 10-6 Ma. Paleoaltimetry data suggest a rapid ˜ 2.5 km elevation gain 10 to 6 Ma, but are equally consistent within error with a linear rise since ≥ 25 Ma. Widespread fluvial incision (2.5-1 km) occurred along the western flank since ˜ 11-8 Ma and may be associated with surface uplift as proposed by the rapid rise model. However, the paleoaltimetry and incision data can also be explained by regional climate change associated with plateau uplift. Implications of these results for reconstructions of AP evolution are that: (1) substantial deformation of a weak lithosphere is

  15. Comparative integromics on VEGF family members.

    PubMed

    Katoh, Yuriko; Katoh, Masaru

    2006-06-01

    VEGF, Hedgehog, FGF, Notch, and WNT signaling pathways network together for vascular remodeling during embryogenesis, tissue regeneration, and carcinogenesis. VEGFA (VEGF), VEGFB, VEGFC, VEGFD (FIGF) and PGF (PlGF) are VEGF family ligands for receptor tyrosine kinases, including VEGFR1 (FLT1), VEGFR2 (KDR) and VEGFR3 (FLT4). Bevacizumab (Avastin), Sunitinib (Sutent) and Sorafenib (Nexavar) are anti-cancer drugs targeted to VEGF signaling pathway. TCF/LEF binding sites within the promoter region of human VEGF family members were searched for by using bioinformatics and human intelligence (Humint). Because four TCF/LEF-binding sites were identified within the 5'-promoter region of human VEGFD gene within AC095351.5 genome sequence, comparative genomics analyses on VEGFD orthologs were further performed. ASB9-ASB11-VEGFD locus at human chromosome Xp22.2 and ASB5-VEGFC locus at human chromosome 4q34 were paralogous regions within the human genome. Human VEGFD mRNA was expressed in lung, small intestine, uterus, breast, neural tissues, and neuroblastoma. Mouse Vegfd mRNA was expressed in kidney, pregnant oviduct, and neural tissues. Chimpanzee VEGFD promoter, cow Vegfd promoter, mouse Vegfd promoter and rat Vegfd promoter were identified within NW_121675.1, AC161065.2, AL732475.6 and AC130036.3 genome sequences, respectively. Three out of four TCF/LEF-binding sites within human VEGFD promoter were conserved in chimpanzee VEGFD promoter, and one in cow Vegfd promoter. TCF/LEF-binding site, not conserved in human VEGFD promoter, occurred in cow, mouse and rat Vegfd promoters. At least five out of six bHLH-binding sites within human VEGFD proximal promoter region were conserved in chimpanzee VEGFD proximal promoter region, while only one in cow Vegfd proximal promoter region. Together these facts indicate that relatively significant promoter evolution occurred among mammalian VEGFD orthologs. Human VEGFD was characterized as a potent target gene of WNT

  16. Mercury's Dynamic Magnetosphere: End member or simply unique? (Invited)

    NASA Astrophysics Data System (ADS)

    Slavin, J. A.

    2013-12-01

    Observations of Mercury's magnetosphere by Mariner 10 and MESSENGER have shown it to be remarkably dynamic. As the 'end member' planetary magnetosphere with respect to proximity to the Sun, slow rotation rate, weak internal plasma sources, and lack of an ionosphere, many aspects of its dynamic behavior had been or should have been anticipated. The intense magnetic fields in the inner Heliosphere result in high Alfven speeds (i.e., solar wind Alfven Mach numbers of only 3 - 5). At Mercury this produces well-developed plasma depletion layers to form at the magnetosheath - magnetosphere interface. In this environment magnetopause reconnection does not exhibit the 'half-wave rectifier' (i.e. reconnection with a strong dependence on magnetic shear angle) response found at Earth, and to a lesser extent at the outer planets. Instead magnetopause reconnection takes place for all magnetic shear angles with plasma beta as the primary parameter controlling the rate. Remarkably, it appears that unlike the Earth's magnetosphere, where flux transfer events (FTEs) do not contribute significantly to the Dungey circulation of plasma and magnetic flux, FTEs are major drivers of convection at Mercury due both to their large relative size and high frequency of occurrence. As might be expected, these extremely intense, frequent episodes of reconnection at the magnetopause results in intense, frequent reconnection in the magnetotail with dipolarization events, energetic electron acceleration, and plasmoid-type flux rope formation and ejection. However, the electrodynamic coupling of the magnetosphere to Mercury appears to be utterly unique, with the possible exception of Jupiter's satellite Ganymede. Mercury's highly resistive crust inhibits strong coupling by field aligned currents, but its large, highly conducting core supports strong 'inductive' coupling. These horizontal currents induced in the outermost layers of the core by changing magnetospheric magnetic fields are observed to

  17. Opportunities to Learn about Europe at School. A Comparative Analysis among European Adolescents in 21 European Member States

    ERIC Educational Resources Information Center

    Verhaegen, Soetkin; Hooghe, Marc; Meeusen, Cecil

    2013-01-01

    In this article, we investigate the relationship between different learning methods and the formation of European identity among adolescents. The analysis is based on the European module of the International Civic and Citizenship Education Study (2009), with 70,502 respondents in 21 European member states. The results show that offering…

  18. Spin-trapping of the p-benzyne intermediates from ten-membered enediyne calicheamicin gamma1I.

    PubMed

    Usuki, Toyonobu; Nakanishi, Koji; Ellestad, George A

    2006-11-23

    In the presence of thiols, the ten-membered-ring enediyne calicheamicin gamma1I generates a p-benzyne biradical that initiates oxidative cleavage of double-stranded DNA. Application of spin-trapping has successfully provided ESR and mass spectroscopic evidence for the formation of the monoadducts with phenyl tert-butyl nitrone (PBN). [reaction: see text].

  19. The Vitality of Senior Faculty Members. Snow on the Roof-Fire in the Furnace. ERIC Digest.

    ERIC Educational Resources Information Center

    Bland, Carole J.; Bergquist, William H.

    This digest of a larger report with the same title uses a question-and-answer format to examine the productivity of senior faculty members at institutions of higher education. It reviews issues related to the aging of full-time faculty at a time when many institutions are undergoing major changes and restructuring. It reports data suggesting that…

  20. Revised stratigraphic nomenclature for the Wasatch and Green River formations of Eocene age, Wyoming, Utah, and Colorado

    SciTech Connect

    Roehler, H.W.

    1991-01-01

    In this book the nomenclature of the Eocene Wasatch and Green River formations is revised to establish a stratigraphic framework that can be used for the accurate basinwide correlations of lithologic and chronologic units. To implement these revisions, the names Alkali Creek Tongue of the Wasatch Formation, and Farson Sandstone Member of the Green River Formation, Scheggs and Rife beds of the Tipton Shale Member of the Green River Formation are introduced. The continued use of the names New Fork Tongue, Desertion Point Tongue, and upper tongue of the Wasatch Formation, and the Fontenelle Tongue, upper Tipton Shale Member, middle tongue, and upper tongue of the Green River Formation is discouraged.

  1. Pride and prejudice in high school gang members.

    PubMed

    Wang, A Y

    1994-01-01

    This study compared gang versus nongang high school students along measures of self-esteem, racial attitudes, and their self-professed role models. A total of 78 Caucasian (65 nongang and 13 gang members) and 77 African-American students (41 nongang and 36 gang members) participated. Results indicated that gang members had significantly lower levels of self-esteem compared to their nongang peers. All students, regardless of ethnicity, manifested negative racial stereotyping toward racial outgroups; gang members were not more racially prejudiced compared to other students. The role model data revealed that overall, gang members could name fewer role models than did their nongang peers. African-American students who were not gang members were much more likely to mention a parent or teacher as a role model. A regression analysis indicated that the absence of parental or teacher roles models was the best predictor of gang membership. These results are conceptualized within the framework provided by social identity theory.

  2. Habit formation

    PubMed Central

    Smith, Kyle S.; Graybiel, Ann M.

    2016-01-01

    Habits, both good ones and bad ones, are pervasive in animal behavior. Important frameworks have been developed to understand habits through psychological and neurobiological studies. This work has given us a rich understanding of brain networks that promote habits, and has also helped us to understand what constitutes a habitual behavior as opposed to a behavior that is more flexible and prospective. Mounting evidence from studies using neural recording methods suggests that habit formation is not a simple process. We review this evidence and take the position that habits could be sculpted from multiple dissociable changes in neural activity. These changes occur across multiple brain regions and even within single brain regions. This strategy of classifying components of a habit based on different brain signals provides a potentially useful new way to conceive of disorders that involve overly fixed behaviors as arising from different potential dysfunctions within the brain's habit network. PMID:27069378

  3. Habit formation.

    PubMed

    Smith, Kyle S; Graybiel, Ann M

    2016-03-01

    Habits, both good ones and bad ones, are pervasive in animal behavior. Important frameworks have been developed to understand habits through psychological and neurobiological studies. This work has given us a rich understanding of brain networks that promote habits, and has also helped us to understand what constitutes a habitual behavior as opposed to a behavior that is more flexible and prospective. Mounting evidence from studies using neural recording methods suggests that habit formation is not a simple process. We review this evidence and take the position that habits could be sculpted from multiple dissociable changes in neural activity. These changes occur across multiple brain regions and even within single brain regions. This strategy of classifying components of a habit based on different brain signals provides a potentially useful new way to conceive of disorders that involve overly fixed behaviors as arising from different potential dysfunctions within the brain's habit network.

  4. Transient response of lattice structures based on exact member theory

    NASA Technical Reports Server (NTRS)

    Anderson, Melvin S.

    1989-01-01

    The computer program BUNVIS-RG, which treats vibration and buckling of lattice structures using exact member stiffness matrices, has been extended to calculate the exact modal mass and stiffness quantities that can be used in a conventional transient response analysis based on modes. The exact nature of the development allows inclusion of local member response without introduction of any interior member nodes. Results are given for several problems in which significant interaction between local and global response occurs.

  5. [Occupational neurosensory deafness in civil aircraft crew members].

    PubMed

    Kharitonova, O I; Poteriaeva, E L; Kruglikova, N V

    2015-01-01

    The article covers data on prevalence of neurosensory deafness among civil aircraft crew members. The study revealed high level of neurosensory deafness in civil aircraft crew members, averaging to 50.8% in neurosensory deafness structure among noise-related occupations. Arterial hypertension appeared to be the most prevalent concurrent disease in civil aircraft crew members with neurosensory deafness, found in 47.5% of the patients examined - that considers arterial hypertension as a factor of neurosensory deafness progression.

  6. 44 CFR 208.11 - Federal status of System Members.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ..., DEPARTMENT OF HOMELAND SECURITY DISASTER ASSISTANCE NATIONAL URBAN SEARCH AND RESCUE RESPONSE SYSTEM General... appoint each System Member who participates in DHS-sanctioned preparedness activities as a...

  7. 44 CFR 208.11 - Federal status of System Members.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ..., DEPARTMENT OF HOMELAND SECURITY DISASTER ASSISTANCE NATIONAL URBAN SEARCH AND RESCUE RESPONSE SYSTEM General... appoint each System Member who participates in DHS-sanctioned preparedness activities as a...

  8. 44 CFR 208.11 - Federal status of System Members.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ..., DEPARTMENT OF HOMELAND SECURITY DISASTER ASSISTANCE NATIONAL URBAN SEARCH AND RESCUE RESPONSE SYSTEM General... appoint each System Member who participates in DHS-sanctioned preparedness activities as a...

  9. 44 CFR 208.11 - Federal status of System Members.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ..., DEPARTMENT OF HOMELAND SECURITY DISASTER ASSISTANCE NATIONAL URBAN SEARCH AND RESCUE RESPONSE SYSTEM General... appoint each System Member who participates in DHS-sanctioned preparedness activities as a...

  10. Six-member stimulus classes generated by conditional-discrimination procedures.

    PubMed Central

    Sidman, M; Kirk, B; Willson-Morris, M

    1985-01-01

    In conditional-discrimination procedures with three sets of stimuli, A, B, and C, three stimuli per set (A1A2A3, B1B2B3, and C1C2C3), subjects (children and adults) learned to select Set-B and Set-C comparisons conditionally upon Set-A samples (A1B1, A1C1, A2B2, A2C2, A3B3, A3C3). If the conditional-discrimination procedures also generated equivalence relations, three 3-member stimulus classes would be demonstrable, A1B1C1, A2B2C2, and A3B3C3. In addition to these three sets, the present experiments used three other sets of stimuli--D, E, and F. The subjects learned to select Set-E and Set-F comparisons conditionally upon Set-D samples (D1E1, D1F1, D2E2, D2F2, D3E3, D3F3). This established a second group of three 3-member stimulus classes, D1E1F1, D2E2F2, and D3E3F3. In all, two groups of three 3-member classes were established by teaching subjects 12 conditional discriminations. The two groups of 3-member classes were then combined (successfully for 5 of 8 subjects) into a single group of three 6-member classes by teaching the subjects three more conditional relations (E1C1, E2C2, and E3C3). With three other children, enlarging the classes one member at a time also produced 6-member classes. As a consequence of class formation, 60 untrained conditional relations emerged from 15 that had been explicitly taught. Six of the subjects also proved capable of naming the stimuli consistently in accord with their class membership, but two subjects demonstrated class formation even in the absence of consistent naming. PMID:3156941

  11. Conserved cellular function and stress-mediated regulation among members of the proteolipid protein family.

    PubMed

    Fernández, María E; Alfonso, Julieta; Brocco, Marcela A; Frasch, Alberto C

    2010-05-01

    Chronic stress causes morphological alterations in the hippocampus of rodents and tree shrews, including atrophy of CA3 dendrites and loss of synapses. The molecular mechanisms underlying these structural changes remain largely unknown. We have previously identified M6a as a stress responsive gene and shown that M6a is involved in filopodium/spine outgrowth and, likely, synapse formation. M6a belongs to the proteolipid protein (PLP) family, all of their members having four transmembrane domains that allow their localization at the plasma membrane. In the present work, we analyzed other members of this family, the closely related M6b as well as PLP and its splice variant DM20. We found that chronic restraint stress in mice reduces M6b and DM20, but not PLP, mRNA levels in the hippocampus. In addition, M6b and DM20, but again not PLP, induce filopodium formation in primary cultures of hippocampal neurons. Several M6b protein isoforms were studied, all of them having similar effects except for the one lacking the transmembrane domains. Our results reveal a conserved cellular function and a stress-mediated regulation among members of the proteolipid protein family, suggesting an involvement of proteolipid proteins in the stress response. PMID:19937804

  12. Pattern Formation

    NASA Astrophysics Data System (ADS)

    Hoyle, Rebecca

    2006-03-01

    From the stripes of a zebra and the spots on a leopard's back to the ripples on a sandy beach or desert dune, regular patterns arise everywhere in nature. The appearance and evolution of these phenomena has been a focus of recent research activity across several disciplines. This book provides an introduction to the range of mathematical theory and methods used to analyse and explain these often intricate and beautiful patterns. Bringing together several different approaches, from group theoretic methods to envelope equations and theory of patterns in large-aspect ratio-systems, the book also provides insight behind the selection of one pattern over another. Suitable as an upper-undergraduate textbook for mathematics students or as a fascinating, engaging, and fully illustrated resource for readers in physics and biology, Rebecca Hoyle's book, using a non-partisan approach, unifies a range of techniques used by active researchers in this growing field. Accessible description of the mathematical theory behind fascinating pattern formation in areas such as biology, physics and materials science Collects recent research for the first time in an upper level textbook Features a number of exercises - with solutions online - and worked examples

  13. Barrier Formation

    PubMed Central

    Lyaruu, D.M.; Medina, J.F.; Sarvide, S.; Bervoets, T.J.M.; Everts, V.; DenBesten, P.; Smith, C.E.; Bronckers, A.L.J.J.

    2014-01-01

    Enamel fluorosis is an irreversible structural enamel defect following exposure to supraoptimal levels of fluoride during amelogenesis. We hypothesized that fluorosis is associated with excess release of protons during formation of hypermineralized lines in the mineralizing enamel matrix. We tested this concept by analyzing fluorotic enamel defects in wild-type mice and mice deficient in anion exchanger-2a,b (Ae2a,b), a transmembrane protein in maturation ameloblasts that exchanges extracellular Cl− for bicarbonate. Defects were more pronounced in fluorotic Ae2a,b−/− mice than in fluorotic heterozygous or wild-type mice. Phenotypes included a hypermineralized surface, extensive subsurface hypomineralization, and multiple hypermineralized lines in deeper enamel. Mineral content decreased in all fluoride-exposed and Ae2a,b−/− mice and was strongly correlated with Cl−. Exposure of enamel surfaces underlying maturation-stage ameloblasts to pH indicator dyes suggested the presence of diffusion barriers in fluorotic enamel. These results support the concept that fluoride stimulates hypermineralization at the mineralization front. This causes increased release of protons, which ameloblasts respond to by secreting more bicarbonates at the expense of Cl− levels in enamel. The fluoride-induced hypermineralized lines may form barriers that impede diffusion of proteins and mineral ions into the subsurface layers, thereby delaying biomineralization and causing retention of enamel matrix proteins. PMID:24170372

  14. 7 CFR 7.4 - Selection of committee members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 1 2010-01-01 2010-01-01 false Selection of committee members. 7.4 Section 7.4 Agriculture Office of the Secretary of Agriculture SELECTION AND FUNCTIONS OF AGRICULTURAL STABILIZATION AND CONSERVATION STATE, COUNTY AND COMMUNITY COMMITTEES § 7.4 Selection of committee members. State...

  15. 12 CFR 745.13 - Notification to members/shareholders.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... available to members upon request. For purposes of this section, an automated teller machine or point of... SHARE INSURANCE AND APPENDIX Clarification and Definition of Account Insurance Coverage § 745.13... NCUA insurance coverage of member accounts. This may be accomplished by placing either a copy of...

  16. 12 CFR 745.13 - Notification to members/shareholders.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... available to members upon request. For purposes of this section, an automated teller machine or point of... SHARE INSURANCE AND APPENDIX Clarification and Definition of Account Insurance Coverage § 745.13... NCUA insurance coverage of member accounts. This may be accomplished by placing either a copy of...

  17. 12 CFR 745.13 - Notification to members/shareholders.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... available to members upon request. For purposes of this section, an automated teller machine or point of... SHARE INSURANCE AND APPENDIX Clarification and Definition of Account Insurance Coverage § 745.13... NCUA insurance coverage of member accounts. This may be accomplished by placing either a copy of...

  18. 12 CFR 745.13 - Notification to members/shareholders.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... available to members upon request. For purposes of this section, an automated teller machine or point of... SHARE INSURANCE AND APPENDIX Clarification and Definition of Account Insurance Coverage § 745.13... NCUA insurance coverage of member accounts. This may be accomplished by placing either a copy of...

  19. Welcoming New Board Members: 15 Tips for Better Orientations

    ERIC Educational Resources Information Center

    Pelletier, Stephen G.

    2013-01-01

    Board orientation provides a unique forum for an institution to help new board members understand the roles and responsibilities expected of them. It is a chance, too, to share essential information that the college or university thinks new trustees need to know. Moreover, it is an opportunity for the institution to bring new members up to date…

  20. Leading Teams of Leaders: What Helps Team Member Learning?

    ERIC Educational Resources Information Center

    Higgins, Monica; Young, Lissa; Weiner, Jennie; Wlodarczyk, Steven

    2010-01-01

    School districts are moving toward a new form of management in which superintendents need to form and nurture leadership teams. A study of 25 such teams in Connecticut suggests that a team's effectiveness is maximized when the team members are coached by other team members, not the superintendent, and when they are coached on task-related…

  1. When Leaders Are Challenged: Dealing with Involuntary Members in Groups

    ERIC Educational Resources Information Center

    Schimmel, Christine J.; Jacobs, E.

    2011-01-01

    Leading groups can be challenging and difficult. Leading groups in which members are involuntary and negative increases the level of difficulty and creates new dynamics in the group leading process. This article proposes specific skills and strategies for dealing with three specific issues related to involuntary members in groups: groups where all…

  2. Understanding the Everyday Practice of Individualized Education Program Team Members

    ERIC Educational Resources Information Center

    Hartmann, Elizabeth S.

    2016-01-01

    The Individuals with Disabilities Education Improvement Act of 2004 states that individualized education program (IEP) teams are composed of members with distinct identities, roles, expertise, and histories. Although team members must work together to implement educational and related services for learners with special needs, little is known about…

  3. STS-86 crew members Bloomfield and Chretien in white room

    NASA Technical Reports Server (NTRS)

    1997-01-01

    While a white room closeout crew member looks on, STS-86 Pilot Michael J. Bloomfield, at right, gets some assistance from fellow crew member, Mission Specialist Jean-Loup J.M. Chretien of the French Space Agency, CNES, before entering the Space Shuttle Atlantis at Launch Pad 39A.

  4. 5 CFR 890.302 - Coverage of family members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... members. (a)(1) An enrollment for self and family includes all family members who are eligible to be... if he or she is covered under another person's self and family enrollment in the FEHB Program. (2... enroll in his or her own right in a self and family enrollment even though his or her spouse also has...

  5. 12 CFR 215.8 - Records of member banks.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 12 Banks and Banking 2 2010-01-01 2010-01-01 false Records of member banks. 215.8 Section 215.8 Banks and Banking FEDERAL RESERVE SYSTEM BOARD OF GOVERNORS OF THE FEDERAL RESERVE SYSTEM LOANS TO EXECUTIVE OFFICERS, DIRECTORS, AND PRINCIPAL SHAREHOLDERS OF MEMBER BANKS (REGULATION O) § 215.8 Records...

  6. 26 CFR 56.4911-5 - Communications with members.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... lobbying expenditures even though those expenditures would be grass roots expenditures if the communication... communication does not directly encourage the member to engage in grass roots lobbying (whether individually or... lobbying. (d) Communications (directed only to members) that are grass roots lobbying...

  7. 26 CFR 56.4911-5 - Communications with members.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... lobbying expenditures even though those expenditures would be grass roots expenditures if the communication... communication does not directly encourage the member to engage in grass roots lobbying (whether individually or... lobbying. (d) Communications (directed only to members) that are grass roots lobbying...

  8. 26 CFR 56.4911-5 - Communications with members.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... lobbying expenditures even though those expenditures would be grass roots expenditures if the communication... communication does not directly encourage the member to engage in grass roots lobbying (whether individually or... lobbying. (d) Communications (directed only to members) that are grass roots lobbying...

  9. 26 CFR 56.4911-5 - Communications with members.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... lobbying expenditures even though those expenditures would be grass roots expenditures if the communication... communication does not directly encourage the member to engage in grass roots lobbying (whether individually or... lobbying. (d) Communications (directed only to members) that are grass roots lobbying...

  10. 26 CFR 56.4911-5 - Communications with members.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... lobbying expenditures even though those expenditures would be grass roots expenditures if the communication... communication does not directly encourage the member to engage in grass roots lobbying (whether individually or... lobbying. (d) Communications (directed only to members) that are grass roots lobbying...

  11. The Rent Event. Leader's Guide [and] Member's Manual.

    ERIC Educational Resources Information Center

    Pennsylvania State Univ., University Park. Cooperative Extension Service.

    The leader's guide and member's manual are presented for a 4-H project designed primarily for older teens, ages 16-19, the group most likely to need information on how to rent their first "home away from home." The member's manual is divided into 10 sections, with each section covering a particular aspect of the rental process. It guides the…

  12. 76 FR 18737 - Reserve Forces Policy Board (RFPB) Member Solicitation

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-04-05

    ... of the Secretary Reserve Forces Policy Board (RFPB) Member Solicitation AGENCY: Office of the... following Federal advisory committee member solicitation: Name of Committee: Reserve Forces Policy Board... Board in June, 1951 and created the Reserve Forces Policy Board. The Congress and President Harry...

  13. Scholarship and the Professional Identity of Community College Faculty Members

    ERIC Educational Resources Information Center

    Palmer, James C.

    2015-01-01

    The institutional culture of community colleges often fosters a professional identity among faculty members that sees research, publication, and other forms of out-of-class scholarship as detrimental to teaching and student learning. But the professional associations established by and for community college faculty members in specific academic…

  14. Preparing New Faculty Members for Their Teaching Role

    ERIC Educational Resources Information Center

    Jones, Andrew

    2008-01-01

    Summarizing past research, Smith (1995) indicates that the majority of faculty members "'view teaching as their primary role,' want to do a good job, and work hard at improving their effectiveness." Yet most faculty members are not educated to be teachers. At best, they have received a course in pedagogy specific to their discipline as a…

  15. Perceived Family Resources Based on Number of Members with ADHD

    ERIC Educational Resources Information Center

    Corwin, Melinda; Mulsow, Miriam; Feng, Du

    2012-01-01

    Objective: This study examines how the number of family members with ADHD affects other family members' perceived resources. Method: A total of 40 adolescents diagnosed with ADHD and their mothers, fathers, and adolescent siblings living in the household participated. Hierarchical linear modeling was used to analyze family-level data from a total…

  16. 24 CFR 235.325 - Qualified cooperative members.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... meets one of the following qualifications: (i) The member's family is displaced from an urban renewal... 24 Housing and Urban Development 2 2011-04-01 2011-04-01 false Qualified cooperative members. 235.325 Section 235.325 Housing and Urban Development Regulations Relating to Housing and...

  17. 24 CFR 235.325 - Qualified cooperative members.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... meets one of the following qualifications: (i) The member's family is displaced from an urban renewal... 24 Housing and Urban Development 2 2014-04-01 2014-04-01 false Qualified cooperative members. 235.325 Section 235.325 Housing and Urban Development Regulations Relating to Housing and...

  18. 24 CFR 235.325 - Qualified cooperative members.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... meets one of the following qualifications: (i) The member's family is displaced from an urban renewal... 24 Housing and Urban Development 2 2010-04-01 2010-04-01 false Qualified cooperative members. 235.325 Section 235.325 Housing and Urban Development Regulations Relating to Housing and...

  19. 24 CFR 235.325 - Qualified cooperative members.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... meets one of the following qualifications: (i) The member's family is displaced from an urban renewal... 24 Housing and Urban Development 2 2013-04-01 2013-04-01 false Qualified cooperative members. 235.325 Section 235.325 Housing and Urban Development Regulations Relating to Housing and...

  20. 24 CFR 235.325 - Qualified cooperative members.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... meets one of the following qualifications: (i) The member's family is displaced from an urban renewal... 24 Housing and Urban Development 2 2012-04-01 2012-04-01 false Qualified cooperative members. 235.325 Section 235.325 Housing and Urban Development Regulations Relating to Housing and...

  1. Factors affecting members' evaluation of agri-business ventures' effectiveness.

    PubMed

    Hashemi, Seyyed Mahmoud; Hedjazi, Yousef

    2011-02-01

    This paper presents work to identify factors affecting effectiveness of agri-business ventures (A-BVs) on the side of providers as perceived by their members. A survey was conducted among 95 members of A-BVs in Zanjan province, Iran. To collect data, a questionnaire was designed. Two distinct groups of A-BVs with low (group 1) and high (group 2) perceived (evaluated) levels of effectiveness were revealed. The study showed that there were significant differences between the two groups on important characteristics of A-BVs and their members. The study also found that there were statistically significant relationships between A-BVs' governance structure and capacity, management and organization characteristics and the perceived effectiveness, whereas there were no statistically significant relationships between A-BVs' advisory methods characteristic applied by members and the perceived effectiveness. Logistic regression results also showed that level of application of rules encouraging members' active participation in important decision makings, clear terms of reference to guide contracting procedures, roles, and responsibilities of parties involved, type of people served and geographical area of program coverage, and members' ability to use Information and Communication Technologies (ICTs) were predictors of the perceived (evaluated) effectiveness of A-BVs. The study showed that evaluation of members of effectiveness of A-BVs would not be the same. It is suggested that Iranian public agricultural extension organization, as responsible organization for monitoring and evaluating services conducted by A-BVs, considered these differences between members with different levels of some important variables.

  2. 7 CFR 1210.404 - Importer member nomination and selection.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... WATERMELON RESEARCH AND PROMOTION PLAN Nominating Procedures Importer Members § 1210.404 Importer member... appointed by the Secretary from nominations submitted by watermelon importers. Importers' representation on... of watermelons is considered a person and as such is entitled to only one vote, except that...

  3. 7 CFR 1210.404 - Importer member nomination and selection.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... WATERMELON RESEARCH AND PROMOTION PLAN Nominating Procedures Importer Members § 1210.404 Importer member... appointed by the Secretary from nominations submitted by watermelon importers. Importers' representation on... of watermelons is considered a person and as such is entitled to only one vote, except that...

  4. 7 CFR 1210.404 - Importer member nomination and selection.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... WATERMELON RESEARCH AND PROMOTION PLAN Nominating Procedures Importer Members § 1210.404 Importer member... appointed by the Secretary from nominations submitted by watermelon importers. Importers' representation on... of watermelons is considered a person and as such is entitled to only one vote, except that...

  5. 7 CFR 1210.404 - Importer member nomination and selection.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... WATERMELON RESEARCH AND PROMOTION PLAN Nominating Procedures Importer Members § 1210.404 Importer member... appointed by the Secretary from nominations submitted by watermelon importers. Importers' representation on... of watermelons is considered a person and as such is entitled to only one vote, except that...

  6. 7 CFR 1210.404 - Importer member nomination and selection.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... WATERMELON RESEARCH AND PROMOTION PLAN Nominating Procedures Importer Members § 1210.404 Importer member... appointed by the Secretary from nominations submitted by watermelon importers. Importers' representation on... of watermelons is considered a person and as such is entitled to only one vote, except that...

  7. Vertical load capacities of roof truss cross members

    PubMed Central

    Gearhart, David F.; Morsy, Mohamed Khaled

    2016-01-01

    Trusses used for roof support in coal mines are constructed of two grouted bolts installed at opposing forty-five degree angles into the roof and a cross member that ties the angled bolts together. The load on the cross member is vertical, which is transverse to the longitudinal axis, and therefore the cross member is loaded in the weakest direction. Laboratory tests were conducted to determine the vertical load capacity and deflection of three different types of cross members. Single-point load tests, with the load applied in the center of the specimen and double-point load tests, with a span of 2.4 m, were conducted. For the single-point load configuration, the yield of the 25 mm solid bar cross member was nominally 98 kN of vertical load, achieved at 42 cm of deflection. For cable cross members, yield was not achieved even after 45 cm of deflection. Peak vertical loads were about 89 kN for 17 mm cables and 67 kN for the 15 mm cables. For the double-point load configurations, the 25 mm solid bar cross members yielded at 150 kN of vertical load and 25 cm of deflection. At 25 cm of deflection individual cable strands started breaking at 133 and 111 kN of vertical load for the 17 and 15 mm cable cross members respectively. PMID:27547484

  8. 5 CFR 890.302 - Coverage of family members.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... continues to live with the enrollee in a regular parent-child relationship. (3) Meaning of domestic partner... employee, annuitant, child, or former spouse may enroll or be covered as a family member if he or she is... she qualifies as a family member under a spouse's or parent's enrollment. To ensure that no...

  9. 12 CFR 215.8 - Records of member banks.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 12 Banks and Banking 2 2014-01-01 2014-01-01 false Records of member banks. 215.8 Section 215.8 Banks and Banking FEDERAL RESERVE SYSTEM BOARD OF GOVERNORS OF THE FEDERAL RESERVE SYSTEM LOANS TO EXECUTIVE OFFICERS, DIRECTORS, AND PRINCIPAL SHAREHOLDERS OF MEMBER BANKS (REGULATION O) § 215.8 Records...

  10. 12 CFR 215.8 - Records of member banks.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 12 Banks and Banking 2 2013-01-01 2013-01-01 false Records of member banks. 215.8 Section 215.8 Banks and Banking FEDERAL RESERVE SYSTEM BOARD OF GOVERNORS OF THE FEDERAL RESERVE SYSTEM LOANS TO EXECUTIVE OFFICERS, DIRECTORS, AND PRINCIPAL SHAREHOLDERS OF MEMBER BANKS (REGULATION O) § 215.8 Records...

  11. 12 CFR 215.8 - Records of member banks.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 12 Banks and Banking 2 2012-01-01 2012-01-01 false Records of member banks. 215.8 Section 215.8 Banks and Banking FEDERAL RESERVE SYSTEM BOARD OF GOVERNORS OF THE FEDERAL RESERVE SYSTEM LOANS TO EXECUTIVE OFFICERS, DIRECTORS, AND PRINCIPAL SHAREHOLDERS OF MEMBER BANKS (REGULATION O) § 215.8 Records...

  12. 12 CFR 611.400 - Compensation of bank board members.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... Section 611.400 Banks and Banking FARM CREDIT ADMINISTRATION FARM CREDIT SYSTEM ORGANIZATION Rules for Compensation of Board Members § 611.400 Compensation of bank board members. (a) Farm Credit System banks are... capacity at a rate not to exceed the level established in section 4.21 of the Farm Credit Act of 1971,...

  13. 12 CFR 611.400 - Compensation of bank board members.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Section 611.400 Banks and Banking FARM CREDIT ADMINISTRATION FARM CREDIT SYSTEM ORGANIZATION Rules for Compensation of Board Members § 611.400 Compensation of bank board members. (a) Farm Credit System banks are... capacity at a rate not to exceed the level established in section 4.21 of the Farm Credit Act of 1971,...

  14. 12 CFR 611.400 - Compensation of bank board members.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... Section 611.400 Banks and Banking FARM CREDIT ADMINISTRATION FARM CREDIT SYSTEM ORGANIZATION Rules for Compensation of Board Members § 611.400 Compensation of bank board members. (a) Farm Credit System banks are... capacity at a rate not to exceed the level established in section 4.21 of the Farm Credit Act of 1971,...

  15. Marketing Strategies for Recruiting 4-H Members in West Virginia.

    ERIC Educational Resources Information Center

    Wingenbach, Gary J.; Nestor, Cheryl; Lawrence, Layle D.; Gartin, Stacy A.; Woloshuk, Jean; Mulkeen, Patricia

    2000-01-01

    According to a survey of 174 West Virginia 4-H members aged 13-18, the Internet and word of mouth were most effective in recruiting new members. Active messages stressing camps, fun, and friendship had the most influence on retention. A statewide marketing plan was recommended. (SK)

  16. 21 CFR 14.95 - Compensation of advisory committee members.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... area to perform the assignment. A committee member will not be paid for time spent on normal... additional day beyond the day or days spent in performing those services, and as a consequence the committee member loses some regular compensation. This applies on weekends and holidays if the special...

  17. 21 CFR 14.95 - Compensation of advisory committee members.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... area to perform the assignment. A committee member will not be paid for time spent on normal... additional day beyond the day or days spent in performing those services, and as a consequence the committee member loses some regular compensation. This applies on weekends and holidays if the special...

  18. 21 CFR 14.95 - Compensation of advisory committee members.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... area to perform the assignment. A committee member will not be paid for time spent on normal... additional day beyond the day or days spent in performing those services, and as a consequence the committee member loses some regular compensation. This applies on weekends and holidays if the special...

  19. Faculty Member Perceptions of Academic Leadership Styles at Private Colleges

    ERIC Educational Resources Information Center

    Gidman, Lori Kathleen

    2013-01-01

    The leadership style of academic leaders was studied through the eyes of faculty members. This empirical study looked at faculty perceptions of academic leadership with the use of a numerical survey as the basis for observation. Faculty members at six private liberal arts institutions completed the Multifactor Leadership Questionnaire (MLQ) in…

  20. 17 CFR 23.609 - Clearing member risk management.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... Clearing member risk management. (a) With respect to clearing activities in futures, security futures... 17 Commodity and Securities Exchanges 1 2013-04-01 2013-04-01 false Clearing member risk management. 23.609 Section 23.609 Commodity and Securities Exchanges COMMODITY FUTURES TRADING...