*Tomomi Hara¹, Tatsuki Tsujimori¹, Jun-Ichi Kimura² (1.Tohoku University, 2.Japan Agency for Marine-Earth Science and Technology)

*Chinatsu Yamada¹, Tatsuki Tsujimori¹, King Chang², Jun-Ichi Kimura² (1.Tohoku University, 2.Japan Aegency for Marine-Earth Science and Technology)

*Tomomi Hara¹, Tatsuki Tsujimori¹, Jun-Ichi Kimura² (1.Tohoku University, 2.Japan Agency for Marine-Earth Science and Technology)

*Chinatsu Yamada¹, Tatsuki Tsujimori¹, King Chang², Jun-Ichi Kimura² (1.Tohoku University, 2.Japan Aegency for Marine-Earth Science and Technology)

*Naoko Takahashi¹, Tatsuki Tsujimori², Qing Chang³, Jun-Ichi Kimura³ (1.Graduate School of Science, Tohoku Univ., 2.CNEAS, Tohoku Univ., 3.Department of Solid Earth Geochemistry, JAMSTEC)

*Yasuhiro Hirai¹, Yoshihiko Tamura², Kaj Hoernle³, Christian Timm⁴, Folkmar Hauff³, Reinhard Werner³, Takeshi Hanyu², Bogdan Vaglarov², Qing Chang², Takashi Miyazaki², Jun-Ichi Kimura² (1.Graduate School of Natural Science and Technology, Kanazawa University, Japan, 2.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Kanagawa, Japan, 3.GEOMAR Helmholtz Centre for Ocean Research, Kiel, Germany, 4.GNS Science, Lower Hutt, New Zealand)

*Yasuhiro Hirai¹, Yoshihiko Tamura², Kaj Hoernle³, Christian Timm⁴, Folkmar Hauff³, Reinhard Werner³, Takeshi Hanyu², Bogdan Vaglarov², Qing Chang², Takashi Miyazaki², Jun-Ichi Kimura² (1.Graduate School of Natural Science and Technology, Kanazawa University, Japan, 2.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Kanagawa, Japan, 3.GEOMAR Helmholtz Centre for Ocean Research, Kiel, Germany, 4.GNS Science, Lower Hutt, New Zealand)

*Yasuhiro Hirai^1,2, Yoshihiko Tamura², Kaj Hoernle³, Christian Timm⁴, Folkmar Hauff³, Reinhard Werner³, Bogdan Vaglarov², Qing Chang², Takashi Miyazaki², Jun-Ichi Kimura² (1.Graduate School of Natural Science and Technology, Kanazawa University, Japan, 2.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Kanagawa, Japan, 3.GEOMAR Helmholtz Centre for Ocean Research, Kiel, Germany, 4.GNS Science, Lower Hutt, New Zealand)

*Georg F Zellmer¹, Jun-Ichi Kimura², Claudine Stirling³, Gert Lube¹, Phil A Shane⁴ (1.Volcanic Risk Solutions, Massey University, Tennent Drive, Palmerston North 4410, New Zealand, 2.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology [JAMSTEC], Natsushima-cho 2-15, Yokosuka 237-0061, Japan, 3.Department of Chemistry, University of Otago, Dunedin 9054, New Zealand, 4.School of Environment, University of Auckland, Auckland 1142, New Zealand)

*Tatsuki Tsujimori¹, Tomomi Hara¹, Yuzuki Shinji¹, Tomohiro Ishizaka¹, Hiroshi Miyajima², Jun-Ichi Kimura³, Shogo Aoki⁴, Kazumasa Aoki⁴ (1.Tohoku University, 2.Fossa Magna Museum, 3.JAMSTEC, 4.Okayama University of Science)

*Takahiro Ozawa¹, Hikaru Iwamori^1,2,3, Takeshi Hanyu², Morihisa Hamada², Kenji Shimizu⁴, Ushikubo Takayuki⁴, Jun-Ichi Kimura², Q. Chang², Hitomi Nakamura⁵, Motoo Ito⁴ (1.Tokyo Institute of Tokyo, 2.Geochemical Evolution Research Program, Japan Agency for Marine-Earth Science and Technology, 3.Earthquake Research Institute, The University Tokyo, 4.Kochi Core Center, Japan Agency for Marine-Earth Science and Technology, 5.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)

*Q. Chang¹, T. Sato², J.-I. Kimura¹ (1.Dept. Solid Earth Geochem., JAMSTEC, 2.R&D Center for Ocean Drilling Sci., JAMSTEC)

*Q. Chang¹, T. Sato², J.-I. Kimura¹ (1.Dept. Solid Earth Geochem., JAMSTEC, 2.R&D Center for Ocean Drilling Sci., JAMSTEC)

*Iona McIntosh¹, Kenichiro Tani², Alexander Nichols³, Qing Chang¹, Jun-Ichi Kimura¹ (1.Japan Agency for Marine-Earth Science and Technology, Yokosuka, 2.National Museum of Nature and Science, Tsukuba, 3.University of Canterbury, Christchurch, New Zealand)

*Ayumu Nishihara¹, Yoshiyuki Tatsumi^2,1, Keiko Suzuki-Kamata^2,1, Katsuya Kaneko^1,2, Jun-Ichi Kimura³, Qing Chang³, Hironobu Hinata⁴, Takashi Miyazaki³, Bogdan Stefanov Vaglarov³ (1.Department of Planetology, Graduate School of Science , Kobe University, 2.Kobe Ocean-Bottom Exploration Center, 3.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology, 4.Kobe Municipal Tarumi Junior High School)

*Yasuhiro Kato^1,2, Kentaro Nakamura¹, Koichiro Fujinaga^2,1, Kazutaka Yasukawa^1,2, Yutaro Takaya^3,1,2, Junichiro Ohta^2,1, Erika Tanaka¹, Kazuhide Mimura¹, Koichi Iijima^4,1, Shiki Machida^2,1, Tatsuo Nozaki^4,1,2,5, Jun-Ichi Kimura⁴, Hikaru Iwamori^1,4,6 (1.The University of Tokyo, 2.ORCeNG, Chiba Institute of Technology, 3.Waseda University, 4.JAMSTEC, 5.Kobe University, 6.Tokyo Institute of Technology)

*Tatsuo Nozaki^1,2,3,4, Takashi Nikaido⁵, Tetsuji Onoue⁶, Yutaro Takaya^7,1,2,4, Keiko Sato¹, Jun-Ichi Kimura⁸, Qing Chang⁸, Daisuke Yamashita⁶, Honami Sato^4,1, Katsuhiko Suzuki¹, Yasuhiro Kato^2,4, Atsushi Matsuoka⁵ (1.JAMSTEC/R&D CSR, 2.Univ. of Tokyo, 3.Kobe Univ., 4.ChibaTech, 5.Niigata Univ., 6.Kumamoto Univ., 7.Waseda Univ., 8.JAMSTEC/D-SEG)

*Yusuke Kuwahara¹, Kazutaka Yasukawa^1,2, Koichiro Fujinaga^2,3, Tatsuo Nozaki^4,3,5,2, Junichiro Ohta^2,6,3, Honami Sato^2,4, Jun-Ichi Kimura⁶, Kentaro Nakamura¹, Yasuhiro Kato^3,1,2 (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.Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo, 4.Research and Development Center for Submarine Resources, Japan Agency for Marine-Earth Science and Technology , 5.Department of Planetology, Graduate School of Science, Kobe University, 6.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology)