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    The Study of Lipid Biomarkers and Contemporary Microbial Communities in Early-Eocene Sedimentary Records at Chicxulub Impact Crater

    Wang D 2021.pdf (8.320Mb)
    Access Status
    Open access
    Authors
    Wang, Danlei
    Date
    2021
    Supervisor
    Kliti Grice
    Type
    Thesis
    Award
    PhD
    
    Metadata
    Show full item record
    Faculty
    Science and Engineering
    School
    School of Molecular and Life Sciences
    URI
    http://hdl.handle.net/20.500.11937/88434
    Collection
    • Curtin Theses
    Abstract

    This thesis employed comprehensive analytical techniques, including organic geochemistry and molecular microbial ecology, to investigate sedimentary lipid biomarker records and contemporary microbial communities recovered from an early Eocene interval in the Chicxulub impact crater, Gulf of Mexico. This study provided 1) indirect evidence for the possibility of lipid biomarker biodegradation during refrigerated storage of sediment cores from the deep subsurface biosphere and 2) highly-resolved lipid biomarker evidence revealing orbital controls on paleoenvironmental and microbial communities during the end of the EECO.

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