Otaro Kobayashi¹, Shiki Machida², Takayoshi Nagaya¹, Ichiro Kaneoka¹, *Tsuyoshi Iizuka¹ (1.University of Tokyo, 2.Chiba Institute of Technology)

*Shogo Numata¹, Hirochika Sumino², Yuji Orihashi¹, Shiki Machida³, Ryo Anma⁴, Satoru Haraguchi⁵, Natsue Abe⁶ (1.department of Earth and Environmental Sciences, Graduate School of Hirosaki University, 2.Department of General Systems Studies, Graduate School of Arts and Sciences, The University of Tokyo, 3.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 4.Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 5.Earthquake Research Institute, The University of Tokyo, 6.Mantle Drilling Promotion Office, MarE3, Japan Agency for Marine-Earth Science and Technology)

*Tatsuo Nozaki^1,2,3,4, Kosuke T. Goto⁵, Yutaro Takaya^2,6,1, Kazuhiko Shimada⁷, Akira Owada⁸, Gen Shimoda⁵, Jun-Ichi Kimura¹, Qing Chang¹, Tetsuji Onoue⁷, Shiki Machida⁴, Teruaki Ishii⁹, Kenji Shimizu¹, Naoto Hirano¹⁰ (1.JAMSTEC, 2.Univ. of Tokyo, 3.Kobe Univ., 4.Chiba Tech, 5.AIST, 6.Waseda Univ., 7.Kyushu Univ., 8.Nippon Petrographic Thin Section Co., Ltd., 9.Shizuoka Univ., 10.Tohoku Univ.)

*Hiroshi Sato¹, Shiki Machida², Ryoko Senda³, Osamu Ishizuka⁴, Christine Meyzen⁵, Michael Bizimis⁶, Taichi Sato⁴, Masakazu Fujii^7,8, Yoshifumi Nogi^7,8 (1.School of Business Administration, Senshu University, 2. Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3. Faculty of Social and Cultural Studies, Kyushu University, 4.Geological Survey of Japan, AIST, 5.University of Padova, 6.University of South Carolina, 7.National Institute of Polar Research, 8.SOKENDAI)

*Takaaki Moriguchi¹, Kyoko Okino¹, Norikatsu Akizawa¹, Shiki Machida² (1.Atomosphere and Ocean Research Institute, University of Tokyo, 2.Chiba Institute of Technology)

*Yuya Jindo¹, Naoto Hirano¹, Shiki Machida², Taisei Morishita³, Hirochika Sumino⁴ (1.Tohoku University, 2.Chiba Institute of Technology, 3.Japan Coast Guird, 4.The university of Tokyo)

*Naoto Hirano^1,2, Kazuto Mikuni², Yosuke Shimbo², Norikatsu Akizawa³, Shiki Machida⁴ (1.Center for Northeast Asian Studies, Tohoku University, 2.Graduate School of Science, Tohoku University, 3. Atmosphere and Ocean Research Institute, the University of Tokyo, 4.Ocean Resources Resurech Center for Next Generation, Chiba Institution of Technology)

*Makoto Yazaki¹, Kentaro Nakamura^1,2, Shiki Machida², Kazutaka Yasukawa^3,1, Koichiro Fujinaga^2,3, Yasuhiro Kato^3,1,2 (1.Department of Systems Innovation, the University of Tokyo, 2.ORCeNG, Chiba institute of technology, 3.FRCER, the University of Tokyo)