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Pre-Bomb Marine Reservoir Variability in the Kimberley Region, Western Australia

Published online by Cambridge University Press:  18 July 2016

Sue O'Connor ,
Sean Ulm ,
Stewart J Fallon ,
Anthony Barham  and
Ian Loch
Sue O'Connor*
Affiliation:
Department of Archaeology and Natural History, Research School of Pacific and Asian Studies, Australian National University, Canberra, ACT 2601, Australia
Sean Ulm
Affiliation:
Aboriginal and Torres Strait Islander Studies Unit, The University of Queensland, Brisbane, QLD 4072, Australia
Stewart J Fallon
Affiliation:
Research School of Earth Sciences, Australian National University, Canberra, ACT 2601, Australia
Anthony Barham
Affiliation:
Department of Archaeology and Natural History, Research School of Pacific and Asian Studies, Australian National University, Canberra, ACT 2601, Australia
Ian Loch
Affiliation:
Australian Museum, 6 College Street, Sydney, NSW 2010, Australia
*
Corresponding author. Email: sue.oconnor@anu.edu.au.
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Abstract

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New ΔR values are presented for 10 known-age shells from the Kimberley region of northwest Australia. Previous estimates of ΔR for the Kimberley region are based on only 6 individual shell specimens with dates of live collection known only to within 50 yr (Bowman 1985a). Here, we describe the results of our recent attempts to constrain ΔR variability for this region by dating a suite of known-age pre-AD 1950 shell samples from the Australian Museum and Museum Victoria. A regional ΔR of 58 ± 17 14C yr for open waters between Broome and Cape Leveque is recommended based on 7 of these specimens. The criteria used to select shells for dating and inclusion in the regional mean are discussed.

Type
Marine
Information
Radiocarbon , Volume 52 , Issue 3: 20th Int. Radiocarbon Conference Proceedings , 2010 , pp. 1158 - 1165
Copyright
Copyright © 2010 by the Arizona Board of Regents on behalf of the University of Arizona 

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