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    A Protocol for Radiocarbon Dating Tropical Subfossil Cave Guano

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    Author
    Wurster, Christopher M.
    Bird, Michael I.
    Bull, Ian
    Bryant, Charlotte
    Ascough, Philippa
    Issue Date
    2009-01-01
    
    Metadata
    Show full item record
    Citation
    Wurster, C. M., Bird, M. I., Bull, I., Bryant, C., & Ascough, P. (2009). A protocol for radiocarbon dating tropical subfossil cave guano. Radiocarbon, 51(3), 977-986.
    Publisher
    Department of Geosciences, The University of Arizona
    Journal
    Radiocarbon
    URI
    http://hdl.handle.net/10150/654120
    DOI
    10.1017/S0033822200034056
    Additional Links
    http://radiocarbon.webhost.uits.arizona.edu/
    Abstract
    We present accelerator mass spectrometry (AMS) radiocarbon dates on several organic fractions isolated from tropical guano deposits recovered from insular Southeast Asia. Differences were observed between 14C measurements made on bulk guano as well as bulk lipids, the saturated hydrocarbon fraction, solvent-extracted guano, and insect cuticles extracted from the same bulk sample. We infer that 14C dates from the bulk lipid fraction and saturated hydrocarbon fractions can be variably contaminated by exogenous carbon. In contrast, 14C measurements on solvent-extracted guano and isolated insect cuticles appear to yield the most robust age determinations.
    Type
    Article
    text
    Language
    en
    ISSN
    0033-8222
    ae974a485f413a2113503eed53cd6c53
    10.1017/S0033822200034056
    Scopus Count
    Collections
    Radiocarbon, Volume 51, Number 3 (2009)

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