*Tsuyoshi Ishikawa¹, Kohtaro Ujiie² (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.Faculty of Life and Environmental Sciences, University of Tsukuba)

*Takeaki Ogawa¹, Tsuyoshi Ishikawa², Shunya Kaneki¹, Tetsuro Hirono¹ (1.Department of Earth and Space Science, Graduate School of Science, Osaka University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology)

*Hasegawa Ryota¹, Asuka Yamaguchi¹, Yujin Kitamura², Tsuyoshi Ishikawa³, Rina Fukuchi¹, Juichiro Ashi¹ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Graduate School of Science and Engineering KAGOSHIMA UNIVERSITY, 3.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology)

*Takeaki Ogawa¹, Tsuyoshi Ishikawa², Shunya Kaneki¹, Tetsuro Hirono¹ (1.Department of Earth and Space Science, Graduate School of Science, Osaka University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology)

*Hasegawa Ryota¹, Asuka Yamaguchi¹, Yujin Kitamura², Tsuyoshi Ishikawa³, Rina Fukuchi¹, Juichiro Ashi¹ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Graduate School of Science and Engineering KAGOSHIMA UNIVERSITY, 3.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology)

*Shumpei Murakami¹, Koichiro Fujinaga^2,1, Kazutaka Yasukawa^1,2, Kentaro Nakamura¹, Kyohei Kurokawa³, Hikaru Iwamori^4,5, Kazuya Nagaishi⁶, Tsuyoshi Ishikawa⁴, Yasuhiro Kato^1,2,4,7 (1.Department of Systems innovation, School of Engineering the University of Tokyo, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3.Mitsui Kushikino Mining Co.,Ltd., 4.JAMSTEC, 5.TITECH, 6.Marin Works Japan Ltd., 7.FRCER, Univ. of Tokyo )

*Takahiro Ozawa¹, Takeshi Hanyu², Hikaru Iwamori^2,1, Morihisa Hamada², Takayuki Ushikubo², Kenji Shimizu², Motoo Ito², Jun-Ichi Kimura², Qing Chang², Tsuyoshi Ishikawa² (1.Tokyo Institute of Technology, 2.Japan Agency for Marine-Earth Science and Technology)

*Takeshi Hanyu¹, Kenji Shimizu¹, Takayuki Ushikubo¹, Junji Yamamoto², Katsunori Kimoto¹, Yuriko Nakamura¹, Jun-Ichi Kimura¹, Qing Chang¹, Morihisa Hamada¹, Motoo Ito¹, Hikaru Iwamori¹, Tsuyoshi Ishikawa¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Hokkaido University)

*Takahiro Ozawa¹, Takeshi Hanyu², Hikaru Iwamori^2,1, Morihisa Hamada², Takayuki Ushikubo², Kenji Shimizu², Motoo Ito², Jun-Ichi Kimura², Qing Chang², Tsuyoshi Ishikawa² (1.Tokyo Institute of Technology, 2.Japan Agency for Marine-Earth Science and Technology)

*Takeshi Hanyu¹, Kenji Shimizu¹, Takayuki Ushikubo¹, Junji Yamamoto², Katsunori Kimoto¹, Yuriko Nakamura¹, Jun-Ichi Kimura¹, Qing Chang¹, Morihisa Hamada¹, Motoo Ito¹, Hikaru Iwamori¹, Tsuyoshi Ishikawa¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Hokkaido University)

*Qing Chang¹, J.-I. Kimura¹, T. Ishikawa², T. Tsujimori³ (1.Dept. Solid Earth Geochem., JAMSTEC, 2.Kochi Institute of Core Sample Research, JAMSTEC, 3.Center for Northeast Asian Studies, Tohoku Univ.)

*Qing Chang¹, J.-I. Kimura¹, T. Ishikawa², T. Tsujimori³ (1.Dept. Solid Earth Geochem., JAMSTEC, 2.Kochi Institute of Core Sample Research, JAMSTEC, 3.Center for Northeast Asian Studies, Tohoku Univ.)

*Lallan Prasad Gupta¹, Toshio Hisamitsu¹, Toshikuni Yabuki¹, Ryo Yamaoka¹, Nan Xiao¹, Naokazu Ahagon¹, Tsuyoshi Ishikawa¹ (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology )

*Lallan Prasad Gupta¹, Toshio Hisamitsu¹, Toshikuni Yabuki¹, Ryo Yamaoka¹, Nan Xiao¹, Naokazu Ahagon¹, Tsuyoshi Ishikawa¹ (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology )