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Title: Carbon in the Core

Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
Resource Type:
Resource Relation:
Related Information: Deep Earth: Physics and Chemistry of the Lower Mantle and Core
Country of Publication:
United States

Citation Formats

Chen, B., and Li, J. Carbon in the Core. United States: N. p., 2016. Web. doi:10.1002/9781118992487.ch22.
Chen, B., & Li, J. Carbon in the Core. United States. doi:10.1002/9781118992487.ch22.
Chen, B., and Li, J. 2016. "Carbon in the Core". United States. doi:10.1002/9781118992487.ch22.
title = {Carbon in the Core},
author = {Chen, B. and Li, J.},
abstractNote = {},
doi = {10.1002/9781118992487.ch22},
journal = {},
number = ,
volume = ,
place = {United States},
year = 2016,
month = 9

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  • A total of 2,454.9 ft of 1.75- to 2-in. dia cores were recovered from five core holes. The analyses carried out, whose results are tabulated in this report, were for chemical composition, heat of combustion, sulfur form, ash fusion temperature, major and minor oxides, and trace elements. Lithologic descriptions, geophysical logs, and megascopic descriptions are included as appendices. 22 figures, 15 tables. (DLC)
  • The Geological Survey of Wyoming conducted a drilling project in the Carbon Basin of southcentral Wyoming. In all, 2454.9 feet of 1-3/4-inch to 2-inch diameter cores were recovered from a total of five core holes. Another two holes were rotary-air drilled for later use as monitor water wells. Lithologic descriptions of the cores and air-drilled cuttings were made in the laboratory during the winter of 1977 and spring of 1978. Eighteen core samples of coal were described in the field, and then sent to the US Geological Survey's laboratory in Denver for analysis. In turn, the US Geological Survey sentmore » a split of the samples to the US Bureau of Mines. While the US Bureau of Mines performed routine analyses and physical tests on the samples, the US Geological Survey determined concentrations of major, minor, and trace elements. To complement each of the analyses, a detailed megascopic description of each coal sample is provided.« less
  • The Society for Sedimentary Geology Core Workshop No. 17 is the first of its kind to focus on trace fossils and their utility in stratigraphic and paleoenvironmental analysis. This volume represents a compilation of previously unpublished ichnological case studies. Emphasis is on the ichnology of shallow marine and marginal marine siliciclastic facies as exemplified by petroliferous Cretaceous strata of the North American western interior, primarily Lower Cretaceous rocks of western Canada. All but one of the fourteen papers that follow the introduction focus on four principal themes which involve the use of ichnological criteria for: the differentiation of facies representingmore » offshore-shelf through foreshore settings; the identification of marginal marine facies; the recognition of storm-related deposits; and the delineation of stratigraphic discontinuity surfaces. Regardless of the primary theme of their papers, most authors have place their studies into a sequence stratigraphy context. The topic of sequence stratigraphy is highlighted by the final paper which addresses the ichno-sedimentologic complexity of transgressive systems tracts. The papers in this volume are accompanied by a total of 22 tables and 218 figures. This collection of quality photographs should be particularly instructive to new students of ichnology as well as the introductory summary of ichnological terminology and classification schemes, the ichnofacies concept, quantification of bioturbation, and the paleoenvironmental significance of trace fossils.« less
  • The failure mechanisms of laminated 2-D carbon/carbon (C/C) and carbon/polyimide (C/P) composites have been determined under inplane biaxial compression loads, and the associated failure envelopes that account for the effect of matrix-type and loading directions, are also obtained. For the C/C laminates, the failure was in the form of micro-kinking of fiber-bundles, interspersed by localized interply delaminations to form the overall shear-fault. The shear fault was aligned with the major use of loading, except at above 75% of balanced biaxial stress, where failure occurred alone both axes. For the C/P laminates, however, the overall failure was primarily in the formmore » of axial interply delaminations aligned with the principal axis of loading, with only secondary events of kinking in few bundles. Although the biaxial strength for both C/C and C/P samples varied significantly with the ratio of in-plane principal stresses, R, there was no variation in the local failure mechanisms. Accordingly, it was found that both materials fail upon achieving a maximum strain along the primary axis of loading.« less