*Masafumi Saitoh¹, Takazo Shibuya¹, Tatsuo Nozaki¹, Hisahiro Ueda², Junji Torimoto¹, Katsuhiko Suzuki¹ (1.JAMSTEC, 2.Tokyo Tech)

*Akira Ishikawa^1,2, Atsushi Utsunomiya³, Keiko Koshida¹, Maria Luisa Tejada², Tsuyoshi Komiya¹, Katsuhiko Suzuki², Takashi Sano⁴ (1.The University of Tokyo, 2.JAMSTEC, 3.Japan Geocommunications Co. Ltd., 4.National Museum of Nature and Science)

*Ryoko Senda¹, Akira Ishikawa², Takeshi Hanyu¹, Hiroshi Kawabata³, Toshiro Takahashi⁴, Katsuhiko Suzuki⁵ (1.Department of solid earth geochemistry, Japan Agency for Marine-Earth Science and Technology, 2.Department of Earth Science and Astronomy, The University of Tokyo, 3.Faculty of Science, Kochi Univeristy, 4.Department of Geology, Niigata University, 5.Research and Development Center for Submarine Resources, Japan Agency for Marine-Earth Science and Technology)

*Keiko Sato¹, Hidenori Kumagai¹, Naoyoshi Iwata², Kei Okamura³, Katsuhiko Suzuki¹ (1.Research and Development Center for Submarine Resources, Japan Agency for Marine-Earth Science and Technology, 2.Department of Earth and Environmental Sciences, Faculty of Science, Yamagata University, 3.Research and Education Faculty, Multidisciplinary Science Cluster, Interdisciplinary Science Unit, Kochi University)

*Ruri Kawamura¹, Keiko Sato², Hidenori Kumagai², Takeshi Hanyu², Katsuhiko Suzuki², Takahiro Tagami¹ (1.Department of Geology and Mineralogy, Division of Earth and Planetary Sciences, Graduated School of Science, Kyoto University, 2.Japan Agency for Marine-Earth Science and Technology)

*Asako Takamasa¹, Katsuhiko Suzuki², Yusuke Fukami², Ryoko Senda² (1.National Institute of Radiological Sciences, 2.JAMSTEC)

*Saneatsu Saito¹, Ron Hackney², Yasuhiro Yamada¹, Kliti Grice³, Junichiro Kuroda¹, Jessica Whiteside⁴, Marco Coolen³, Fumio Inagaki¹, Richard Arculus⁵, Dietmar Müller⁶ (1.Japan Agency for Marine-Earth Science and Technology, 2.Geoscience Australia, 3.Curtin University, 4.University of Southampton, 5.Australian National University, 6.University of Sydney)

*Yasuhiro Kato^1,2,3, Koichiro Fujinaga^3,1, Kentaro Nakamura^1,2, Kazutaka Yasukawa^1,3, Junichiro Ohta¹, Yutaro Takaya^4,1, Koichi Iijima², Shiki Machida^2,1, Tatsuo Nozaki^2,1, Jun-Ichi Kimura², Katsuhiko Suzuki², Hikaru Iwamori^2,5 (1.Department of Systems Innovation, Graduate School of Engineering, University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology, 3.Chiba Institute of Technology, 4.Department of Resources and Environmental Engineering School of Creative Science and Enginerring, Waseda University, 5.Tokyo Institute of Technology)

*Koichiro Fujinaga^1,2, Kazutaka Yasukawa^2,1, Shiki Machida^3,2, Tatsuo Nozaki^3,2, Yutaro Takaya^4,2, Junichiro Ohta², Kazutaka Oya², Daiki Niikuma⁴, Yoshiro Nishio⁵, Yuka Masaki³, Yoichi Usui³, Satoru Haraguchi³, Koichi Iijima³, Hiroshi Amakawa³, Katsuhiko Suzuki³, Kentaro Nakamura^2,3, Yasuhiro Kato^2,3,1, MR15-E02 Leg.2 cruise members (1.Chiba Institute of Technology, 2.Department of Systems Innovation, School of Engineering, University of Tokyo, 3.Japan Agency for Marine-Earth Science and Technology, 4.Department of Resources and Environmental Engineering School of Creative Science and Enginerring, Waseda University, 5.Research and Education Faculty, Kochi University)

*Honami Sato¹, Tatsuo Nozaki¹, Tetsuji Onoue², Jun-Ichi Kimura¹, Qing Chang¹, Yutaro Takaya³, Yasuhiro Kato⁴, Katsuhiko Suzuki¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Kumamoto University, 3.Waseda University, 4.The University of Tokyo)

*Yohei Hamada¹, Saneatsu Saito², Yoshinori Sanada², Yuka Masaki², KYAW MOE², Yukari Kido², Hidenori Kumagai², Tatsuo Nozaki², Katsuhiko Suzuki², Maeda Lena², CK14-04 Cruise member², CK16-01 Cruise member² (1.Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research, 2.Japan Agency for Marine-Earth Science and Technology)

Ron Hackney¹, Yasuhiro Yamada², Kliti Grice³, *Junichiro Kuroda², Jessica H. Whiteside⁴, Marco J.L. Coolen³, Fumio Inagaki², Richard Arculus⁵, Dietmar R. Müller⁶, Saneatsu Saito², Hiroshi Nishi⁷ (1.Geoscience Australia, 2.Japan Agency for Marine-Earth Science and Technology, 3.Curtin University, 4.University of Southampton, 5.Australian National University, 6.University of Sydney, 7.Tohoku University)

*Koichi Iijima^1,2, Yuka Masaki^1,2, Blair Thornton³, Akira Usui⁴, Keisuke Nishi⁵, Katsuhiko Suzuki^1,2, Kazuya Kitada^1,2, Junji Kaneko^1,2, Cruise members of YK15-15, Cruise members of NT13-13, Cruise members of KR15-E01, Cruise members of KR16-01 (1.Research and Development Center for Submarine Resources, Japan Agency for Marine-Earth Science and Technology, 2.Project Team for Development of New-generation Research Protocol for Submarine Resources, Japan Agency for Marine-Earth Science and Technology, 3.Institute of Industrial Science, The University of Tokyo, 4.Science Research Center, Kochi University, 5.Graduate school of Integrated Arts and Sciences, Kochi University)

*Yusuke Fukami¹, Jun-Ichi Kimura¹, Katsuhiko Suzuki¹ (1.Japan Agency for Marine-Earth Science and Technology)