*Chiyo Harada¹, Tsuyoshi Iizuka¹, Morihisa Hamada², Mitsuhiro Yoshimoto³, ATSUSHI YASUDA⁴ (1.Department of earth and planetary science, University of Tokyo, 2.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology, 3.Mount Fuji Research Institute, Yamanashi Prefectural Government, 4.Earthquake Research Institute, University of Tokyo)

*Chiyo Harada¹, Tsuyoshi Iizuka¹, Morihisa Hamada², Mitsuhiro Yoshimoto³, ATSUSHI YASUDA⁴ (1.Department of earth and planetary science, University of Tokyo, 2.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology, 3.Mount Fuji Research Institute, Yamanashi Prefectural Government, 4.Earthquake Research Institute, University of Tokyo)

*Morihisa Hamada¹ (1.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology)

*Morihisa Hamada¹ (1.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology)

*Morihisa Hamada¹, Philipp A. Brandl², Takayuki Ushikubo³, Kenji Shimizu³, Motoo Ito³, He Li⁴, Ivan P. Savov⁵ (1.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology, 2.GEOMAR Helmholtz Centre for Ocean Research, Kiel, Germany, 3.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 4.Guangzhou Institute of Geochemistry, Chinise Academy of Science, China, 5.School of Earth and Environment, The University of Leeds, UK)

*Takahiro Ozawa¹, Takeshi Hanyu², Hikaru Iwamori^2,1, Morihisa Hamada², Takayuki Ushikubo², Kenji Shimizu², Motoo Ito², Jun-Ichi Kimura², Qing Chang², Tsuyoshi Ishikawa² (1.Tokyo Institute of Technology, 2.Japan Agency for Marine-Earth Science and Technology)

*Takeshi Hanyu¹, Kenji Shimizu¹, Takayuki Ushikubo¹, Junji Yamamoto², Katsunori Kimoto¹, Yuriko Nakamura¹, Jun-Ichi Kimura¹, Qing Chang¹, Morihisa Hamada¹, Motoo Ito¹, Hikaru Iwamori¹, Tsuyoshi Ishikawa¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Hokkaido University)

*Morihisa Hamada¹, Philipp A. Brandl², Takayuki Ushikubo³, Kenji Shimizu³, Motoo Ito³, He Li⁴, Ivan P. Savov⁵ (1.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology, 2.GEOMAR Helmholtz Centre for Ocean Research, Kiel, Germany, 3.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 4.Guangzhou Institute of Geochemistry, Chinise Academy of Science, China, 5.School of Earth and Environment, The University of Leeds, UK)

*Takahiro Ozawa¹, Takeshi Hanyu², Hikaru Iwamori^2,1, Morihisa Hamada², Takayuki Ushikubo², Kenji Shimizu², Motoo Ito², Jun-Ichi Kimura², Qing Chang², Tsuyoshi Ishikawa² (1.Tokyo Institute of Technology, 2.Japan Agency for Marine-Earth Science and Technology)

*Takeshi Hanyu¹, Kenji Shimizu¹, Takayuki Ushikubo¹, Junji Yamamoto², Katsunori Kimoto¹, Yuriko Nakamura¹, Jun-Ichi Kimura¹, Qing Chang¹, Morihisa Hamada¹, Motoo Ito¹, Hikaru Iwamori¹, Tsuyoshi Ishikawa¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Hokkaido University)

*Hikaru Iwamori¹, Kenta Yoshida¹, Hitomi Nakamura^1,2,3, Tatsu Kuwatani¹, Morihisa Hamada¹, Satoru Haraguchi¹, Kenta Ueki⁴ (1.Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology, 2.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 3.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 4.Earthquake Research Institute, The University of Tokyo)

*Morihisa Hamada¹, Hikaru Iwamori¹, Philipp A. Brandl², He Li³, Ivan P. Savov⁴ (1.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology, 2.GEOMAR Helmholtz Centre for Ocean Research Kiel, 3.Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, 4.The University of Leeds)