*Ryuji Tada¹, Arisa Seki¹, Masafumi MURAYAMA², Ken Ikehara³, Masayuki Ikeda⁴ (1.Department of Earth and Planetary Science, Graduate School of Science, The Univeristy of Tokyo, 2.Department of Marine Resource Science, Faculty of Agruculture and Marine Science, Kochi University, 3.Geological Survey of Japan, AIST, 4.Department of Earth Sciences, Faculty of Science, Shizuoka University)

*Masafumi MURAYAMA¹, Shinsuke Yagyu², Satoshi Tonai³, Uramoto Go-Ichiro², Yasuhiro Yamada⁴, Fumio Inagaki⁴ (1.Faculty of Agriculture and Marine Science, Kochi University, 2.Center for Advanced Marine Core Research, Kochi University,, 3.Department of applied science, Faculty of Science, Kochi University, 4.Research and Development Center for Ocean Drilling Science, JAMSTEC)

*Masafumi MURAYAMA¹, Shinsuke Yagyu², Satoshi Tonai³, Uramoto Go-Ichiro², Yasuhiro Yamada⁴, Fumio Inagaki⁴ (1.Faculty of Agriculture and Marine Science, Kochi University, 2.Center for Advanced Marine Core Research, Kochi University,, 3.Department of applied science, Faculty of Science, Kochi University, 4.Research and Development Center for Ocean Drilling Science, JAMSTEC)

*Hitoshi Hasegawa¹, Hisao Ando², Nagayoshi Katsuta³, Yasushi Muraki⁴, Niiden Ichinnorov⁵, Masafumi Murayama⁶, Koshi Yamamoto⁷, Tohru Ohta⁸, Takashi Hasegawa⁹, Masanobu Yamamoto¹⁰, Noriko Hasebe¹¹, Ulrich Heimhofer¹², Masayuki Ikeda¹³, Shoji Nishimoto¹⁴, Koichi Yamaguchi¹⁵, Fumio Abe⁴, Ryuji Tada¹⁶ (1.Faculty of Science and Technology, Kochi University, 2.Department of Earth Sciences, Faculty of Science, Ibaraki University, 3.Faculty of Education, Gifu University, 4.Institute for Space-Earth Environmental Research, Nagoya University, 5.Institute of Paleontology and Geology, Mongolian Academy of Sciences, 6.Faculty of Agriculture and Marine Sciences, Kochi University, 7.Department of Earth and Environmental Studies, Nagoya University, 8.Faculty of Education and Integrated Arts and Sciences, Waseda University, 9.Faculty of Science, Kanazawa University, 10.Faculty of Environmental Earth Science, Hokkaido University, 11.Institute of Nature and Environmental Technology, Kanazawa University, 12.Institut für Geologie, Leibniz Universität Hannover, 13.Institute of Geoscience, Shizuoka University, 14.Nagoya City Science Museum, 15.Nagoya Municipal Industrial Research Institute, 16.Department of Earth and Planetary Science, the University of Tokyo)

*Kaz Mitake¹, Ryuji Tada¹, Arisa Seki¹, Shunsuke Kurokawa¹, Masafumi MURAYAMA² (1.Graduate School of Science, The University of Tokyo, 2.Faculty of Agriculture and Marine Science, Kochi University)

*Keiji Horikawa¹, Takehiro Motou², Masafumi MURAYAMA³, Osamu Seki⁴ (1.Graduate School of Engineer and Science, University of Toyama, 2.Faculty of Science, University of Toyama, 3.Kochi University, 4.Institute of Low Temperature Science, Hokkaido University)

*Yoshiaki Suzuki¹, Michinobu Kuwae², Ken Ikehara³, Masafumi MURAYAMA⁴, Kazuno Arai⁴ (1.Waseda University, 2.Ehime University, 3.AIST, 4.Kochi University)

*Kaz Mitake¹, Ryuji Tada¹, Arisa Seki¹, Shunsuke Kurokawa¹, Masafumi MURAYAMA² (1.Graduate School of Science, The University of Tokyo, 2.Faculty of Agriculture and Marine Science, Kochi University)

*Keiji Horikawa¹, Takehiro Motou², Masafumi MURAYAMA³, Osamu Seki⁴ (1.Graduate School of Engineer and Science, University of Toyama, 2.Faculty of Science, University of Toyama, 3.Kochi University, 4.Institute of Low Temperature Science, Hokkaido University)

*Yoshiaki Suzuki¹, Michinobu Kuwae², Ken Ikehara³, Masafumi MURAYAMA⁴, Kazuno Arai⁴ (1.Waseda University, 2.Ehime University, 3.AIST, 4.Kochi University)

*Masafumi MURAYAMA¹, Shinsuke Yagyu², Kosei Kawata³, Keiji Horikawa⁴ (1.Faculty of Agriculture and Marine Science, Kochi University, 2.Center for Advanced Marine Core Research, Kochi University, 3.Faculty of Science, Kochi University, 4.Graduate School of Science and Engineering for Research, University of Toyama)

*Masafumi MURAYAMA¹, Shinsuke Yagyu², Kosei Kawata³, Keiji Horikawa⁴ (1.Faculty of Agriculture and Marine Science, Kochi University, 2.Center for Advanced Marine Core Research, Kochi University, 3.Faculty of Science, Kochi University, 4.Graduate School of Science and Engineering for Research, University of Toyama)