Japan Geoscience Union Meeting 2014

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Oral

Symbol H (Human Geosciences) » H-TT Technology & Techniques

[H-TT35_1PM1] Developments and applications of AMS techniques for earth and human environmental research

Thu. May 1, 2014 2:15 PM - 4:00 PM 311 (3F)

Convener:*Toshio Nakamura(Center for Chronological Research, Nagoya University), Hiroyuki Matsuzaki(School of Engineering, The University of Tokyo), Kimikazu Sasa(Research Facility Center for Science and Technology, University of Tsukuba), Hisao Nagai(Faculty of humanities and Sciences, Nihon University), Masayo Minami(Center for Chronological Resarch, Nagoya University), Chair:Masayo Minami(Center for Chronological Research, Nagoya University)

2:15 PM - 2:30 PM

[HTT35-P05_PG] AMS radiocarbon dating of peaty layers in Kimotsuki lowland, southern Kyushu

3-min talk in an oral session

Toshiyuki FUJIKI1, *Mitsuru OKUNO1, Toshio NAKAMURA2, Hiroshi MORIWAKI3 (1.ACRIFIS-EHAI, Fukuoka Univ., 2.CCR, Nagoya Univ., 3.Fac. Law, Econ. Human., Kagoshima Univ.)

Keywords:Kimotsuki lowland, peaty layer, tephra, radiocarbon date

Since the middle Holocene, peaty layers have accumulated on the Kimotsuki lowland in south Kyushu, Japan. They can be applied radiocarbon (^ {14} C) wiggle-matching for establishing high-resolution chronology. Moreover, several tephra intercalated with the peat bed which originated from Kaimondake, Sakurajima, and the Kirishima volcanoes, and they can certify the reproducibility of 14 C dates. On the other hand, the age of the tephra by them can be determined correctly. We present here the results of AMS 14 C dating on the core sample, and report the age of each tephra determined from these dates.