*Hiroki Mukai¹, Yoshiaki Kon¹, Kenzo Sanematsu¹, Yoshio Takahashi², Motoo Ito³ (1.National Institute of Advanced Industrial Science and Technology, 2.Graduate School of Science, the University of Tokyo, 3.Kochi Institute for Core Sample Research JAMSTEC)

*Masanari Hikosaka¹, Yoshio Takahashi², Chong Chen³, Robert Jenkins¹ (1.Kanazawa University, 2.Tokyo University, 3.Japan Agency for Marine-Earth Science and Technology)

*Fumito Shiraishi¹, Takeru Omori¹, Naotaka Tomioka², Satoko Motai², Hiroki Suga³, Yoshio Takahashi³ (1.Hiroshima University, 2.JAMSTEC, 3.The University of Tokyo)

*Baasansuren Gankhurel¹, Keisuke Fukushi², Akitoshi Akehi¹, Yoshio Takahashi³, Kazuo Kawasaki⁴ (1.Graduate School of Natural Science and Technology, Kanazawa University, 2.Instutute of Nature and Environmental Technology, Kanazawa University, 3.Department of Earth and Planetary Science, The University of Tokyo, 4.Graduate School of Science and Engineering for Research, Toyama University)

*Go-Ichiro Uramoto^1,2, Yuki Morono², Naotaka Tomioka², Shigeyuki Wakaki², Ryoichi Nakada², Rota Wagai³, Kentaro Uesugi⁴, Akihisa Takeuchi⁴, Masato Hoshino⁴, Yoshio Suzuki^4,5, Satoshi Mitsunobu⁶, Fumito Shiraishi⁷, Hiroki Suga⁵, Yasuo Takeichi⁸, Yoshio Takahashi⁵, Fumio Inagaki² (1.Kochi University, 2.Japan Agency for Marine-Earth Science and Technology, 3.National Agriculture and Food Research Organization, 4.Japan Synchrotron Radiation Research Institute, 5.University of Tokyo, 6.Ehime University, 7.Hiroshima University, 8.High Energy Accelerator Research Organization)

*Keika Suzuki¹, Hiroki Suga¹, Akira Yamaguchi², Tomohiro Usui³, Oki Sekizawa⁴, Kiyofumi Nitta⁴, Yoshio Takahashi¹ (1.University of Tokyo, 2.National Institute of Polar Research, 3.JAXA, ISAS, 4.JASRI/SPring-8)

*Maya Nakamura^1,2, Yasuhito Sekine¹, Keisuke Fukushi³, Noriko Hasebe³, Davaadorj Davaasuren⁴, Yoshio Takahashi², Hitoshi Hasegawa⁵, Takuro Ogura⁶, Koki Morida³, Tuvshin Gerelmaa⁴ (1.Earth-Life Science Institute, Tokyo Institute of Technology, 2.Department of Earth and Planetary Science, The University of Tokyo, 3.Institute of Nature & Environmental Technology, Kanazawa University, 4.Department of Geography, National University of Mongolia, 5.Department of Global Environment and Disaster Prevention, Kochi University, 6.Department of Socio-Cultural Environmental Science, The University of Tokyo)

*Haibo Qin^1,2, Shitong Yang¹, Qing Chang³, Chihiro Miyamoto¹, Yoshio Takahashi¹ (1.Department of Earth and Planetary Science, Graduate School of Science, 2.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, 3.Japan Agency for Marine-Earth Science and Technology)

*Hiroki Suga¹, Motoo Ito², Yoko Kebukawa³, Matthew A Marcus⁴, Takuji Ohigashi⁵, Yoshio Takahashi¹ (1.Graduate School of Science, The University of Tokyo, 2.Kochi Institute for Core Sample Research JAMSTEC, 3.Faculty of Engineering, Yokohama National University, 4.Advanced Light Source, Lawrence Berkeley National Laboratory, 5.UVSOR Synchrotron Facility, Institute for Molecular Science)

*Hiroki Suga¹, Motoo Ito², Yoko Kebukawa³, Matthew A Marcus⁴, Takuji Ohigashi⁵, Yoshio Takahashi¹ (1.Graduate School of Science, The University of Tokyo, 2.Kochi Institute for Core Sample Research JAMSTEC, 3.Faculty of Engineering, Yokohama National University, 4.Advanced Light Source, Lawrence Berkeley National Laboratory, 5.UVSOR Synchrotron Facility, Institute for Molecular Science)

*Go-Ichiro Uramoto^1,2, Yuki Morono², Naotaka Tomioka², Shigeyuki Wakaki², Ryoichi Nakada², Rota Wagai³, Kentaro Uesugi⁴, Akihisa Takeuchi⁴, Masato Hoshino⁴, Yoshio Suzuki^4,5, Satoshi Mitsunobu⁶, Fumito Shiraishi⁷, Hiroki Suga⁵, Yasuo Takeichi⁸, Yoshio Takahashi⁵, Fumio Inagaki² (1.Kochi University, 2.Japan Agency for Marine-Earth Science and Technology, 3.National Agriculture and Food Research Organization, 4.Japan Synchrotron Radiation Research Institute, 5.University of Tokyo, 6.Ehime University, 7.Hiroshima University, 8.High Energy Accelerator Research Organization)

*Aya Sakaguchi¹, Junpei Inagaki¹, Minami Inoue², Akira Usui³, Hiromitsu Haba⁴, Masashi Kaneko⁵, Shinya Yamasaki¹, Keisuke Sueki¹, Yoshio Takahashi⁶ (1.Faculty of Pure and Applied Science, 2.Graduate School of Science, Hiroshima University, 3.Center for Advanced Marine Core Research , Kochi University, 4.Nishina Center, Riken, 5.Nuclear Science and Engineering Center, Japan Atomic Energy Agency, 6.Graduate School of Science, The University of Tokyo)

*Masato Tanaka¹, Yoshio Takahashi¹ (1.Graduate School of Science, The University of Tokyo)

*Shitong Yang¹, Soichiro Uesugi¹, Haibo Qin¹, Akira Usui², Yoshio Takahashi¹ (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 2.Geology Department, Kochi University)

*Hikaru Miura¹, Yuichi Kurihara², Masayoshi Yamamoto³, Aya Sakaguchi⁴, Kazuya Tanaka², Shogo Higaki⁵, Yoshio Takahashi⁵ (1.Central Research Institute of Electric Power Industry, 2.JAEA, 3.University of Kanazawa, 4.University of Tsukuba, 5.The University of Tokyo)

*Makoto Nagasawa¹, Masato Tanaka¹, Asami Miyaji², Yoshio Takahashi¹ (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 2.Hiroshima University)

Haibo Qin¹, Kenzo Sanematsu², Arcilla Carlo³, *Yoshio Takahashi¹ (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 2.Institute for Geo-Resources and Environment, National Institute of Advanced Industrial Science and Technology (AIST), 3.National Institute of Geological Sciences, College of Science, University of the Philippines)