*Morihisa Hamada¹, Hikaru Iwamori^1,2, Philipp A. Brandl³, Takayuki Ushikubo⁴, Kenji Shimizu⁴, Motoo Ito⁴, He Li⁵, Ivan P. Savov⁶ (1.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology, 2.Earthquake Research Institute, University of Tokyo, 3.GEOMAR Helmholtz Centre for Ocean Research Kiel, 4.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 5.Institute of Oceanology, Chinese Academy of Sciences, 6.School of Earth and Environment, University of Leeds)

*Hikaru Sawada¹, Yukio Isozaki¹, Shogo Aoki³, Shuhei Sakata², Ryo Hasegawa¹, Yasuo Nakamura¹ (1.Department of General Systems Studies, the University of Tokyo, 2.Department of Chemistry, Gakushuin Universtiy, 3.Department of Applied Science, Okayama University of Science)

*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)

*Yoshihiko Tamura¹, Tomoki Sato¹, Osamu Ishizuka^1,2, Takashi Miyazaki¹, Yasuhiro Hirai^1,3, Mami Takehara⁴, Eri Sakamoto⁵ (1.JAMSTEC, 2.AIST, 3.Kanazawa Univ., 4.NIPR, 5.NME)

*Yoshihiko Tamura¹, Kentaro Kaneda², Gou Fujie¹, Akane Ohira¹, Eiichi TAKAZAWA³, Georges Ceuleneer⁴, Katsuyoshi Michibayashi⁵, Tomoki Sato¹, Shuichi Kodaira¹, Seiichi Miura¹ (1.Japan Agency for Maine-Earth Science and Technology, 2.Japan Coast Guard, 3.Niigata University, 4.Universite de Toulouse, 5.Nagoya University)

*FLORENCE ANNETTE CRUSPERO LABIS¹, BETCHAIDA D PAYOT¹, GABRIEL THEOPHILUS V VALERA¹, JULIUS A PASCO¹, JESLEY MEI A DYCOCO¹ (1.UNIVERSITY OF THE PHILIPPINES)

*Chris Conway¹, Kenichiro Tani² (1.Geological Survey of Japan, 2.National Museum of Nature and Science)