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    Fluid Flow, Thermal History, and Diagenesis of the Cambrian-Ordovician Arbuckle Group and Overlying Units in South-Central Kansas

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    King_ku_0099M_13070_DATA_1.pdf (13.14Mb)
    Issue Date
    2013-12-31
    Author
    King, Bradley Donald
    Publisher
    University of Kansas
    Format
    288 pages
    Type
    Thesis
    Degree Level
    M.S.
    Discipline
    Geology
    Rights
    This item is protected by copyright and unless otherwise specified the copyright of this thesis/dissertation is held by the author.
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    Abstract
    A diagenetic study of the Cambrian-Ordovician Arbuckle Group to the Middle Pennsylvanian Cherokee Group in south-central Kansas produced evidence of regional advective fluid flow and more localized fracture-controlled fluid flow affecting porosity. Late-stage megaquartz, baroque dolomite, and calcite produced high homogenization temperatures (86-144C), greater than can be explained by burial, necessitating hydrothermal fluids. Fluid inclusion salinities evolved from connate to those influenced by evaporites. Homogenization temperatures and 18O in baroque dolomite suggest warmer fluids stratigraphically shallower. The 87Sr/86Sr values indicate a regional advective aquifer during baroque dolomite precipitation, which may have been more locally controlled during calcite precipitation. Ouachita tectonism caused tectonically valved and gravity-driven fluid flow sourced from the Anadarko basin and possibly involved sandstone aquifers or basement. Mechanisms of ancient fluid flow appear to contrast with the modern system, which is separated internally by seal facies. The ancient aquifer system was vertically connected during migration of hydrothermal fluids.
    URI
    http://hdl.handle.net/1808/12952
    Collections
    • Geology Dissertations and Theses [232]
    • Theses [3827]

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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