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Radiocarbon Dating and Intercomparison of Some Early Historical Radiocarbon Samples

Published online by Cambridge University Press:  25 April 2018

A J T Jull ,
C L Pearson ,
R E Taylor ,
J R Southon ,
G M Santos Open the ORCID record for G M Santos [Opens in a new window] ,
C P Kohl ,
I Hajdas ,
M Molnar ,
C Baisan  and
T E Lange
...Show all authors
A J T Jull*
Affiliation:
Department of Geosciences, University of Arizona, Tucson, AZ 85721USA AMS Laboratory, University of Arizona, Tucson, AZ 85721USA Isotope Climatology and Environmental Research Centre, Institute for Nuclear Research, 4026 Debrecen, Hungary
C L Pearson
Affiliation:
Laboratory for Tree Ring Research, University of Arizona, Tucson, AZ 85721USA
R E Taylor
Affiliation:
Keck Carbon Cycle AMS Laboratory, University of California Irvine, Irvine, CA 92697USA Department of Anthropology, University of California Riverside, Riverside, CA 92521 USA and Cotsen Institute of Archaeology, University of California, Los Angeles, Los Angeles, CA 90095USA
J R Southon
Affiliation:
Keck Carbon Cycle AMS Laboratory, University of California Irvine, Irvine, CA 92697USA
G M Santos
Affiliation:
Keck Carbon Cycle AMS Laboratory, University of California Irvine, Irvine, CA 92697USA
C P Kohl
Affiliation:
University of California San Diego, La Jolla CA 92093USA
I Hajdas
Affiliation:
Laboratory for Ion Beam Physics, ETH-Zürich, 8092 Zürich, Switzerland
M Molnar
Affiliation:
Isotope Climatology and Environmental Research Centre, Institute for Nuclear Research, 4026 Debrecen, Hungary
C Baisan
Affiliation:
Laboratory for Tree Ring Research, University of Arizona, Tucson, AZ 85721USA
T E Lange
Affiliation:
AMS Laboratory, University of Arizona, Tucson, AZ 85721USA
R Cruz
Affiliation:
AMS Laboratory, University of Arizona, Tucson, AZ 85721USA
R Janovics
Affiliation:
Isotope Climatology and Environmental Research Centre, Institute for Nuclear Research, 4026 Debrecen, Hungary
I Major
Affiliation:
Isotope Climatology and Environmental Research Centre, Institute for Nuclear Research, 4026 Debrecen, Hungary
*
*Corresponding author. Email: jull@email.arizona.edu.
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Abstract

We performed a new series of measurements on samples that were part of early measurements on radiocarbon (14C) dating made in 1948–1949. Our results show generally good agreement to the data published in 1949–1951, despite vast changes in technology, with only two exceptions where there was a discrepancy in the original studies. Our new measurements give calibrated ages that overlap with the known ages. We dated several samples at four different laboratories, and so we were also able to make a small intercomparison at the same time. In addition, new measurements on samples from other Egyptian materials used by Libby and co-workers were made at UC Irvine. Samples of tree rings used in the original studies (from Broken Flute Cave and Centennial Stump) were obtained from the University of Arizona Laboratory of Tree-Ring Research archive and remeasured. New data were compared to the original studies and other records.

Keywords

calibrationhistory of radiocarbonintercomparison
Type
Research Article
Information
Radiocarbon , Volume 60 , Issue 2 , April 2018 , pp. 535 - 548
Copyright
© 2018 by the Arizona Board of Regents on behalf of the University of Arizona 

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