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    • Radiocarbon, Volume 31 (1989)
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    Ultra-Small Carbon Samples and the Dating of Sediments

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    Author
    Vogel, J. S.
    Briskin, Madeleine
    Nelson, D. E.
    Southon, J. R.
    Issue Date
    1989-01-01
    Keywords
    sediments
    methods
    C 14
    carbon
    dates
    isotopes
    radioactive isotopes
    absolute age
    
    Metadata
    Show full item record
    Citation
    Vogel, J. S., Briskin, M., Nelson, D. E., & Southon, J. R. (1989). Ultra-small carbon samples and the dating of sediments. Radiocarbon, 31(3), 601-609.
    Publisher
    Department of Geosciences, The University of Arizona
    Journal
    Radiocarbon
    Description
    From the 13th International Radiocarbon Conference held in Dubrovnik, Yugoslavia, June 20-25, 1988.
    URI
    http://hdl.handle.net/10150/653163
    DOI
    10.1017/S0033822200012194
    Additional Links
    http://radiocarbon.webhost.uits.arizona.edu/
    Abstract
    Radiocarbon dates from sediment core samples are usually obtained on the whole organic carbon portion in order to use as little of the valuable sediment as possible. Such measurements may not result in an accurate chronology of the sediment because the material may include carbon from different reservoirs at the time of deposition. The development of AMS techniques for dating ultra-small (20-500 micrograms) carbon samples permits dating various components of cored sediments. We give examples of physical and chemical fractions of sediments which illustrate the large differences in ages obtainable from materials at the same sediment depth. The dating of all or several of these fractions demands more complex interpretations than just the derivation of a sedimentation rate from whole organic carbon dates.
    Type
    Proceedings
    text
    Language
    en
    ISSN
    0033-8222
    ae974a485f413a2113503eed53cd6c53
    10.1017/S0033822200012194
    Scopus Count
    Collections
    Radiocarbon, Volume 31, Number 3 (1989)

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