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    Differences in 14C Age Between Stratigraphically Associated Charcoal and Marine Shell from the Archaic Period Site of Kilometer 4, Southern Peru: Old Wood or Old Water?

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    Author
    Kennett, Douglas J.
    Ingram, B. Lynn
    Southon, John R.
    Wise, Karen
    Issue Date
    2002-01-01
    Keywords
    archaic
    southern Peru
    lithostratigraphy
    Peru
    marine environment
    accuracy
    South America
    archaeological sites
    Holocene
    middle Holocene
    Cenozoic
    charcoal
    Quaternary
    wood
    C 14
    carbon
    dates
    isotopes
    radioactive isotopes
    shells
    absolute age
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    Citation
    Kennett, D. J., Ingram, B. L., Southon, J. R., & Wise, K. (2002). Differences in 14C age between stratigraphically associated charcoal and marine shell from the Archaic Period site of Kilometer 4, Southern Peru: old wood or old water?. Radiocarbon, 44(1), 53-58.
    Publisher
    Department of Geosciences, The University of Arizona
    Journal
    Radiocarbon
    URI
    http://hdl.handle.net/10150/654492
    DOI
    10.1017/S0033822200064663
    Additional Links
    http://radiocarbon.webhost.uits.arizona.edu/
    Abstract
    Consistently large differences occur in the calibrated 14C ages of stratigraphically associated shell and charcoal samples from Kilometer 4, an Archaic Period archaeological site located on the extreme south coast of Peru. A series of nine shell and charcoal samples were collected from a Late Archaic Period (approximately 6000-4000 BP) sector of the site. After calibration, the intercepts of the charcoal dates were approximately 100-750 years older than the paired shell samples. Due to the hyper-arid conditions in this region that promote long-term preservation of organic material, we argue that the older charcoal dates are best explained by people using old wood for fuel during the Middle Holocene. Given this "old wood" problem, marine shell may actually be preferable to wood charcoal for dating archaeological sites in coastal desert environments as in southern Peru and Northern Chile.
    Type
    Article
    text
    Language
    en
    ISSN
    0033-8222
    ae974a485f413a2113503eed53cd6c53
    10.1017/S0033822200064663
    Scopus Count
    Collections
    Radiocarbon, Volume 44, Number 1 (2002)

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