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    • University of Missouri-Columbia
    • Graduate School - MU Theses and Dissertations (MU)
    • Theses and Dissertations (MU)
    • Dissertations (MU)
    • 2006 Dissertations (MU)
    • 2006 MU dissertations - Freely available online
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    Applications of elemental analysis for archaeometric studies : analytical and statistical methods for understanding geochemical trends in ceramics, ochre and obsidian

    Popelka-Filcoff, Rachel S., 1977-
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    Date
    2006
    Format
    Thesis
    Metadata
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    Abstract
    Three areas are covered in this dissertation: elemental analysis of Caborn-Welborn ceramics, elemental analysis and geochemical characterization of ochres, and construction and implementation of a portable XRF instrument for artifact analysis.The first study is analysis of ceramics from Caborn-Welborn (Ohio Valley) archaeological sites, using both instrumental neutron activation analysis (INAA) and particle-induced X-ray emission (PIXE). By using principal components analysis and posterior discriminant analysis, it was possible to compositionally distinguish lower Ohio Valley ceramics in both extra-regional and local analyses. The second study analyzes iron oxides (ochre) from several sources using instrumental trace analysis techniques, including INAA, and X-ray fluorescence spectrometry (XRF). Multivariate statistics of the data point to trends in the inter- and intra-source variability of ochre. Elemental results from Missouri, California, Oregon, Texas, Arizona, and Peru have been investigated. These trends in geochemistry lead to a better understanding of ancient ochre procurement. The third study covers the set-up, design and system geometry calculations, testing, and calibration of a portable XRF system. The system was transported to and used successfully in southern Peru in August 2005 to characterize obsidian artifacts.
    URI
    https://doi.org/10.32469/10355/4495
    https://hdl.handle.net/10355/4495
    Degree
    Ph. D.
    Thesis Department
    Chemistry (MU)
    Rights
    OpenAccess.
    Collections
    • 2006 MU dissertations - Freely available online
    • Chemistry electronic theses and dissertations (MU)

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