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Radiocarbon Analyses of Modern Organics at Monte Verde, Chile: No Evidence for a Local Reservoir Effect

Published online by Cambridge University Press:  20 January 2017

R. E. Taylor ,
C. Vance Haynes Jr. ,
Donna L. Kirner  and
John R. Southon
R. E. Taylor
Affiliation:
Radiocarbon Laboratory, Department of Anthropology, Institute of Geophysics and Planetary Physics, University of California-Riverside, Riverside, CA 92521
C. Vance Haynes Jr.
Affiliation:
Department of Anthropology, University of Arizona, Tucson, AZ 85721
Donna L. Kirner
Affiliation:
Radiocarbon Laboratory, Department of Anthropology, Institute of Geophysics and Planetary Physics, University of California-Riverside, Riverside, CA 92521
John R. Southon
Affiliation:
Laboratory for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, CA 94550
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Abstract

Radiocarbon measurements have been obtained on contemporary plant samples collected at the site of Monte Verde, Chile, to examine the possibility that a local l4C reservoir effect impinges on the accuracy of the l4C values obtained on previously recovered archaeological samples. The l4C activity of the modern plants do not reveal any offset from expected contemporary l4C values and thus provide no support for a major postulated reservoir effect at least for the recent past. Although there is, at present, no direct means of measuring potential l4C reservoir offsets in the late Pleistocene for this region, we are not aware of any current data that would indicate that there have been major changes during geologically recent times.

Résumé

Résumé

Se han obtenido medidas radiocarbónicas de una serie de muestras vegetales contemporáneas recogidas en el sítio de Monte Verde, Chile, con el propósito de examinar la posibilidad de que un efecto local de un repositorio de l4C podría afectar la exactitud de los valores de l4C obtenidos de muestras previamente recobradas en excavaciones arqueológicas en este sitio. La actividad radiocarbónica de lasplantas modernas no demuestra desviación de valores contemporáneos de l4C, por lo cual noproporciona ningún apoyo para un efecto de repositorio mayor, al menos para elpasado reciente. Aunque alpresente no hay ninguna manera directa de medirposibles desviaciones resultandes de repositories de 14C en el Pleistoceno tardio en esta región, coniemos ningurla de cualquier informatión corriente que podria indicar que cambios mayores hayan ocurrieron durante tiempos geológicos recientes.

Type
Reports
Information
American Antiquity , Volume 64 , Issue 3 , July 1999 , pp. 455 - 460
Copyright
Copyright © The Society for American Archaeology 1999

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