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AMS 14C Dating of Varved Sediments from Lake Suigetsu, Central Japan and Atmospheric 14C Change During the Late Pleistocene

Published online by Cambridge University Press:  18 July 2016

Hiroyuki Kitagawa ,
Hitoshi Fukuzawa ,
Toshio Nakamura ,
Makoto Okamura ,
Keiji Takemura ,
Akira Hayashida  and
Yoshinori Yasuda
Hiroyuki Kitagawa
Affiliation:
International Research Center for Japanese Studies, 3-2 Oeyama-cho, Nishikyo-ku, Kyoto 610-11 Japan
Hitoshi Fukuzawa
Affiliation:
Department of Geography, Faculty of Science, Tokyo Metropolitan University, Tokyo 192-03 Japan
Toshio Nakamura
Affiliation:
Dating and Material Research Center, Nagoya University, Nagoya 464-01 Japan
Makoto Okamura
Affiliation:
Department of Geology, Faculty of Science, Kochi University, Kochi 780 Japan
Keiji Takemura
Affiliation:
Department of Geophysics, Faculty of Science, Kyoto University, Kyoto 606 Japan
Akira Hayashida
Affiliation:
Science and Engineering Research Institute, Doshisha University, Kyoto 610-03 Japan
Yoshinori Yasuda
Affiliation:
International Research Center for Japanese Studies, 3-2 Oeyama-cho, Nishikyo-ku, Kyoto 610-11 Japan
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Abstract

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We made accelerator mass spectrometry (AMS) 14C measurements on terrestrial macrofossils from the Late Pleistocene/Holocene of the annually laminated sediments of Lake Suigetsu (central Japan). The AMS 14C dates of terrestrial macrofossils showed agreement between varve counting years and calibrated ages (tree rings and U/Th on coral) in the interval of 10.5 and ca. 11.5 ka cal bp. Beyond 11.5 ka cal bp, the age difference between 14C and varve counting years gradually diminish, contradicting published data on corals dated by U/Th and 14C.

Type
III. Calibration of the 14C Time Scale
Information
Radiocarbon , Volume 37 , Issue 2 , 1995 , pp. 371 - 378
Copyright
Copyright © the Department of Geosciences, The University of Arizona 

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