*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)

*Kazuhide Mimura¹, Katsushi Yamamoto¹, Kentaro Nakamura¹, Kazutaka Yasukawa^1,2, Junichiro Ohta², Koichiro Fujinaga^2,1, Shiki Machida², Yoichi Usui³, Yasuhiro Kato^1,2 (1.Department of Systems Innovation, School of Engineering, the University of Tokyo, 2.ORCeNG, Chiba Institute of Technology, 3.JAMSTEC)