*Sueyoshi Kazumasa¹, Manami Kitamura², Xinglin Lei², Ikuo Katayama¹ (1.Department of Earth and Planetary Systems Science, Hiroshima University, 2.National Institute of Advanced Industrial Science and Technology)

*Michiyo Sawai¹, Yuuki Yokoyama¹, Manami Kitamura², Kyuichi Kanagawa¹ (1.Chiba University, 2.Geological Survey of Japan, AIST)

*Manami Kitamura¹, Takehiro Hirose² (1.National Institute of Advanced Industrial Science and Technology , 2.Japan Agency for Marine-Earth Science and Technology, Kochi Instutute for Core Sample Research)

Kouku Inoue², *Wataru Tanikawa¹, Yoshitaka Hashimoto², Osamu Tadai⁴, Manami Kitamura⁵, Yohei Hamada¹, Takehiro Hirose¹, Weiren Lin³ (1.Japan Agency for Marine-Earth Science and Technology, Kochi Instutute for Core Sample Research, 2.Kochi University, 3.Kyoto University, 4.Marine Works Japan LTD., 5.AIST)

*Riho Fujioka¹, Ikuo Katayama¹, Takehiro Hirose², Manami Kitamura³ (1.Hiroshima Univercity, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.National Institute of Advanced Industrial Science and Technology)

Kanami Iwazaki¹, *Shinichi Uehara¹, Miki Takahashi², Manami Kitamura² (1.Faculty of Science, Toho University, 2.National Institute of Advanced Industrial Science and Technology)