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Reservoir Corrections for Marine Samples from the South Atlantic Coast, Santa Catarina State, Brazil

Published online by Cambridge University Press:  18 July 2016

C J Eastoe ,
S Fish ,
P Fish ,
M Dulce Gaspar  and
A Long
C J Eastoe*
Affiliation:
Department of Geosciences, University of Arizona, Tucson, Arizona 85721 USA
S Fish
Affiliation:
Arizona State Museum, University of Arizona, Tucson, Arizona 85721 USA
P Fish
Affiliation:
Arizona State Museum, University of Arizona, Tucson, Arizona 85721 USA
M Dulce Gaspar
Affiliation:
Museu Nacional do Brasil, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, Sao Cristovao, Rio de Janeiro CEP 20 240 260, Brazil
A Long
Affiliation:
Department of Geosciences, University of Arizona, Tucson, Arizona 85721 USA
*
Corresponding author. Email: eastoe@geo.arizona.edu.
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Abstract

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Coeval shell and charcoal from Santa Catarina State, Brazil, differ systematically in 14C content, indicating a reservoir effect in marine samples. For modern samples (AD 1939–2000) and archeological samples (2500–1595 BP), the mean 14C age difference between marine and atmospheric carbon is 220 ± 20 years, the marine carbon being older. For three samples dated AD 1939–1944, a distinct reservoir correction of 510 ± 10 years is also observed. The ages of archeological shell samples from Jabuticabeira may be corrected by subtracting 220 years from the apparent 14C ages.

Information

Type
Articles
Information
Radiocarbon , Volume 44 , Issue 1 , 2002 , pp. 145 - 148
Copyright
Copyright © 2002 by the Arizona Board of Regents on behalf of the University of Arizona 

References

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