Chinatsu Yamada¹, *Tatsuki Tsujimori¹, Kazumasa Aoki², Qing Chang³, Jun-Ichi Kimura³ (1.Tohoku University, 2.Okayama University of Science, 3.JAMSTEC)

*Kento Shinjo¹, Katsuya Kaneko¹, Jun-Ichi Kimura², Qing Chang² (1.Department of Planetology, Graduate School of Science, Kobe University, 2.Japan Agency for Marine-Earth Science and Technology)

*Tetsuya Sakuyama¹, Yuma Hayashi¹, Kenji Shimizu², Takayuki Ushikubo², Takeshi Hanyu³, Jun-Ichi Kimura³, Wei Tian⁴ (1.Faculty of Science, Osaka City University, 2.Kochi Institute for Core Sample Research, JAMSTEC, 3.JAMSTEC, Yokosuka, 4.Peking University)

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

*Naoto Kimura^1,2, Yuji Ichiyama³, Takashi Miyazaki², Bogdan S. Vaglarov², Qing Chang², Takeshi Hanyu², Jun-Ichi Kimura² (1.Graduate School of Science and Engineering, Chiba University, 2.Japan Agency for Marine–Earth Science and Technology, 3.Graduate School of Science, Chiba University)

*Yasuhiro Hirai^1,2, Yoshihiko Tamura², Kaj Hoernle³, Reinhard Werner³, Folkmar Hauff³, Christian Timm⁴, Bogdan Vaglarov², Qing Chang², Takashi Miyazaki², Jun-Ichi Kimura², Takeshi Hanyu² (1.Graduate School of Natural Science and Technology, Kanazawa University, Japan, 2.Research Institute for Marine Geodynamics (IMG), 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)

*Takashi Miyazaki¹, J B Gill², C Hamelin³, S M DeBari⁴, Tomoki Sato¹, Yoshihiko Tamura¹, Jun-Ichi Kimura¹, Bogdan Stefanov Vaglarov¹, Qing Chang¹, Ryoko Senda⁵, Satoru Haraguchi⁶ (1.Research Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology, 2.University of California, Santa Cruz, 3.University of Bergen, 4.Western Washington University, 5.Kyushu University, 6.University of Tokyo)

Tomoki Sato¹, Takashi Miyazaki¹, *Yoshihiko Tamura¹, James B Gill², Martin Jutzeler³, Ryoko Senda⁴, Jun-Ichi Kimura¹ (1.Research Institute for Marine Geodynamics, Japan Agency for Maine-Earth Science and Technology, 2.Department of Earth and Planetary Science, University of California Santa Cruz, Santa Cruz, California, USA, 3.School of Natural Sciences and Centre for Ore Deposit and Earth Sciences, University of Tasmania, Tasmania, Australia, 4.Faculty of Social and Cultural Studies, Kyushu University, Fukuoka, Japan)

*Keishiro Azami¹, Qing Chang², Jun-Ichi Kimura², Kazutaka Yasukawa^1,3, Kentaro Nakamura¹, Yasuhiro Kato^1,3 (1.Department of System Innovation, Graduate School of Engineering, The University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology, 3.Chiba Institute of Technology)

*Junichiro Ohta^1,2,3, Kazutaka Yasukawa^1,3,2, Tatsuo Nozaki^3,1,4,2, Yutaro Takaya^5,2,3, Kazuhide Mimura¹, Koichiro Fujinaga^2,1, Kentaro Nakamura¹, Yoichi Usui³, Jun-Ichi Kimura³, Qing Chang³, Yasuhiro Kato^1,2,3 (1.The University of Tokyo, 2.Chiba Institute of Technology, 3.Japan Agency for Marine-Earth Science and Technology, 4.Kobe University, 5.Waseda University)

*Yusuke Kuwahara¹, Kazutaka Yasukawa^2,1,3, Koichiro Fujinaga^3,2, Tatsuo Nozaki^4,2,5,3, Junichiro Ohta^2,3,6, Honami Sato^3,4, Jun-Ichi Kimura⁶, Kentaro Nakamura¹, Yasuhiro Kato^2,1,3,4 (1.Department of Systems Innovation, School of Engineering, The University of Tokyo, 2.Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo, 3.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 4.Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology, 5.Department of Planetology, Graduate School of Science, Kobe University, 6.Volcanos and Earth’s Interior Research Center, Research Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology)

*Yuki Tomimatsu¹, Tatsuo Nozaki^2,3,4,5, Honami Sato⁵, Yutaro Takaya⁶, Jun-Ichi Kimura⁷, Chang Qing⁷, Hiroshi Naraoka⁸, Manuel Rigo⁹, Tetsuji Onoue⁸ (1.Graduate school of Science and Technology, Kumamoto University, 2.Submarine Resources Research Center, Research Institute for Marine Resources Utilization, Japan Agency for Marine-Earth Science and Technology, 3.Frontier Research Center for Energy and Resources (FRC- ER), Graduate School of Engineering, Tokyo University, 4.Department of Planetology, Graduate School of Science, Kobe University, 5.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 6.Department of Resources and Environmental Engineering School of Creative Science and Enginerring, Waseda University, 7.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Scienc and Technology, 8.Department of Earth and Planetary Sciences, Faculty of Sciences, Kyushu University, 9.Department of Geosciences, University of Padova)

*Susumu Umino^1,2, Tomoaki Morishita^1,2, Jun-Ichi Kimura², Mikiya Yamashita^3,2, Nobukazu Seama⁴, Shigeaki Ono², Natsue Abe^2,1, Katsuyoshi Michibayashi^5,2 (1.Kanazawa University, 2.JAMSTEC, 3.Geological Survey of Japan, 4.Kobe University, 5.Nagoya University)

*Maria Luisa Tejada¹, Eun Young Lee², Hans-Jurgen Brumsack³, Bernhard Schnetger³, Dennis Harry⁴, Seong Soo Chun², Jun-Ichi Kimura¹ (1.Volcano and Earth Interior Research Center, Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology, 2.Faculty of Earth System and Environmental Sciences, Chonnam National University, Gwangju, Republic of Korea, 3.Institut für Chemie und Biologie des Meeres (ICBM), Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany, 4.Department of Geosciences, Colorado State University, Fort Collins, CO, USA)