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    Marine Carbon Reservoir Age estimates for the Far Southern Coast of Peru

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    Author
    Owen, Bruce D.
    Issue Date
    2002-01-01
    Keywords
    Ilo Peru
    Loreto Viejo
    Southeast Pacific
    South Pacific
    lithostratigraphy
    Peru
    East Pacific
    sea water
    Pacific Ocean
    South America
    archaeological sites
    Holocene
    upper Holocene
    Cenozoic
    Quaternary
    wood
    C 14
    carbon
    isotopes
    radioactive isotopes
    shells
    Invertebrata
    Mollusca
    absolute age
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    Citation
    Owen, B. D. (2002). Marine carbon reservoir age estimates for the far south coast of Peru. Radiocarbon, 44(3), 701-708.
    Publisher
    Department of Geosciences, The University of Arizona
    Journal
    Radiocarbon
    URI
    http://hdl.handle.net/10150/654529
    DOI
    10.1017/S003382220003215X
    Additional Links
    http://radiocarbon.webhost.uits.arizona.edu/
    Abstract
    In order to estimate the apparent age of seawater (R) and the corresponding local offset from the global marine radiocarbon calibration curve (Delta-R) on the far south coast of Peru for 2 periods in the past, 6 pairs of associated marine shell and unburned wood samples from archaeological excavations at Loreto Viejo were 14C dated. Three pairs from about cal AD 1280-1380 indicated larger and more variable Delta-R estimates than have been obtained for other periods in nearby regions, suggesting that Delta-R may vary considerably over space and/or time. Three pairs from about 1870-1680 cal BC yielded consistent shell dates, but only one reasonable terrestrial date and Delta-R estimate, probably due to stratigraphic mixing in antiquity. The one early Delta-R estimate falls slightly outside the range of the later ones, suggesting either still greater spatial variability in Delta-R, or some temporal variability.
    Type
    Article
    text
    Language
    en
    ISSN
    0033-8222
    ae974a485f413a2113503eed53cd6c53
    10.1017/S003382220003215X
    Scopus Count
    Collections
    Radiocarbon, Volume 44, Number 3 (2002)

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