*Masahiko Sato¹, Yuki Kimura², Satoshi Tanaka³, Tadahiro Hatakeyama⁴, Seiji Sugita¹, Tomoki Nakamura⁵, Shogo Tachibana¹, Satoshi Okuzumi⁶, Sei-ichiro WATANABE⁷, Hisayoshi Yurimoto², Takaaki Noguchi⁸, Ryuji Okazaki⁹, Hikaru Yabuta¹⁰, Hiroshi Naraoka⁹, Sakamoto Kanako³, Toru Yada³, Masahiro Nishimura³, Aiko Nakato³, Akiko Miyazaki³, Kasumi Yogata³, Masanao Abe³, Tatsuaki Okada³, Tomohiro Usui³, Makoto Yoshikawa³, Takanao Saiki³, Fuyuto Terui¹¹, Satoru Nakazawa³, Yuichi Tsuda³ (1.The University of Tokyo, 2.Hokkaido University, 3.Japan Aerospace Exploration Agency, 4.Okayama University of Science, 5.Tohoku University, 6.Tokyo Institute of Technology, 7.Nagoya University, 8.Kyoto University, 9.Kyushu University, 10.Hiroshima University, 11.Kanagawa Institute of Technology)

*Tadahiro Hatakeyama¹, Hirotaka Yokota², Yu Kitahara¹, Naoko Nakamura³ (1.Institute of Frontier Science and Technology, Okayama University of Science, 2.Department of Biosphere-Geosphere Science, Okayama University of Science, 3.Research Center for Archaeology, Kagoshima University)

*Yutaka Yoshimura¹, Hyeon-Seon Ahn^2,3, Yuhji Yamamoto², Chisato Anai², Yoshinori Tajiri¹, Tadahiro Hatakeyama⁴, Masao Ohno¹ (1.Faculty of Social and Cultural Studies, Kyushu University, 2.Center for Advanced Marine Core Research, Kochi University, 3.Korea Institute of Geoscience and Mineral Resources, 4.Institute of Frontier Science and Technology, Okayama University of Science)