*Katsuhito Soda¹, Yuki Tomimatsu², Tetsuji Onoue², Minoru Ikehara¹ (1.Center for Advanced Marine Core Research, Department of Earth and Environmental Sciences, Faculty of Science, Kochi University, 2.Department of Earth and Planetary Sciences, Kyushu University)

*Hiroki Matsui¹, Isabelle Billy², Olivier Ther², Xavier Crosta², Minoru Ikehara³ (1.Graduate School of International Resource Sciences, Akita University, 2.University of Bordeaux, France, 3.Center for Advanced Marine Core Research, Kochi University)

*Watanabe Hayao¹, Hitoshi Hasegawa¹, Minoru Ikehara³, Saki Asai², Ryusei Kuma², Hidekazu Yoshida² (1.Faculty of Science and Technology, Kochi University, 2.Nagoya University, 3.Center for Advanced Marine Core Research, Kochi University )

*Hirofumi Asahi¹, Sev Kender⁶, Minoru Ikehara¹, Yusuke Okazaki², Alan Mix⁵, Christina Ravelo⁴, Carloz Alvarez-Zarikian³, Mea Cook⁷, Kozo Takahashi², Karla Knudson (1.Kochi University, 2.Kyushu University, 3.IODP Taxas A &M, 4.Univesity of California, Santa Cruze, 5.Oregon State Univesity, 6.University of Exeter, 7.Williams College)

*Yuji Kato¹, Yuki Morono², Akira Ijiri³, Takeshi Terada⁴, Minoru Ikehara⁵ (1.Faculty of Life and Environmental Sciences, University of Tsukuba, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.Kobe University, 4.Marine Work Japan, 5.Center for Advanced Marine Core Research, Kochi University)

*Keiko Takehara¹, Naohisa Nishida², Go-Ichiro Uramoto³, Minoru Ikehara³ (1.Kochi university Graduate School of Integrated Arts and Sciences, 2.Natural Sciences Division, Tokyo Gakugei University, 3.Center for Advanced Marine Core Research, Kochi University)

*Hirofumi Asahi¹, Minoru Ikehara¹, Kato Koudai¹, Masafumi MURAYAMA¹, Keiji Horikawa², Katsuya Nejigaki³ (1.Kochi University, 2.Toyama Universitt, 3.Fukada Salvage and Marine Works CO., LTD)