*Yoichi Usui¹, Koichi Iijima¹, Hideaki Machiyama¹, Yuji Ichiyama^2,1, Erika Tanaka³, Koichiro Fujinaga^4,3, Kazutaka Yasukawa^3,4 (1.Japan Agency for Marine-Earth Science and Technology, 2.Chiba University, 3.The University of Tokyo, 4.Chiba Institute of Technology)

*Koichiro Fujinaga^1,2, Kazutaka Yasukawa^3,1, Tatsuo Nozaki^4,2,1,5, Shiki Machida^1,2, Yutaro Takaya^6,2,1, Junichiro Ohta^1,2, Moei Yano³, Ryo Shimomura³, Erika Tanaka³, Kazuhide Mimura³, Koichi Horinouchi³, Kenji Matsumoto³, Yoichi Usui⁴, Hirofumi Yamamoto⁴, Kentaro Nakamura³, Yasuhiro Kato^2,3,1, KM17-14C cruise members (1.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 2.Frontier Research Centerfor Energy and Resources, School of Engineering, The University of Tokyo, 3.Department of Systems Innovation, School of Engineering, The University of Tokyo, 4.Japan Agencyfor Marine-Earth Science and Technology, 5.Department of Planetology, Graduate Schoolof Science, Kobe University, 6.Department of Resources and Environmental Engineering School of Creative Science and Engineering, Waseda University)

*Erika Tanaka¹, Kentaro Nakamura¹, Kazutaka Yasukawa^1,2, Koichiro Fujinaga², Koichi Iijima³, Shiki Machida², Yasuhiro Kato^1,2 (1.School of Engineering, The University of Tokyo, 2.ORCeNG, Chiba Institute of Technology, 3.JAMSTEC)

*Sakai Takumi¹, Erika Tanaka¹, Kazutaka Yasukawa^1,2, Junichiro Ohta^2,1, Koichiro Fujinaga^2,1, Kentaro Nakamura¹, Yasuhiro Kato^3,1,2 (1.Department of Systems Innovation, School of Engineering, 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 )

*Satoshi Kino¹, Kazutaka Yasukawa^1,2, Keishiro Azami¹, Erika Tanaka¹, Koichiro Fujinaga^2,1, Kentaro Nakamura¹, Yasuhiro Kato^1,2 (1.Department of Systems Innovation, School of Engineering, University of Tokyo, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology)

*Sakai Takumi¹, Erika Tanaka¹, Kazutaka Yasukawa^1,2, Junichiro Ohta^2,1, Koichiro Fujinaga^2,1, Kentaro Nakamura¹, Yasuhiro Kato^3,1,2 (1.Department of Systems Innovation, School of Engineering, 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 )

*Satoshi Kino¹, Kazutaka Yasukawa^1,2, Keishiro Azami¹, Erika Tanaka¹, Koichiro Fujinaga^2,1, Kentaro Nakamura¹, Yasuhiro Kato^1,2 (1.Department of Systems Innovation, School of Engineering, University of Tokyo, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology)

*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)