*Katsuhiko Suzuki^1,2, Yoshihiro Furukawa², Yoshio Takahashi³, Atsuyuki Ohta⁴, Teruyuki Maruoka⁵, Timothy J Fagan⁶, Qiang Wang⁷, Riko Iizuka-Oku⁸ (1.Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology, 2.Graduate Schoool of Science, Tohoku University, 3.Department of Earth and Planetary Sciences, Graduate Schoool of Science, The University of Tokyo, 4.Geological Survey of Japan, National Institute of Advanced Industrial Science, 5.Faculty of Life and Environmental Sciences, University of Tsukuba, 6.School of Education, Waseda University, 7.Guangzhou Insititute of Geochemistry, Chinese Academy of Science, 8.Geochemical Research Center, Graduate Schoool of Science, The University of Tokyo)

*Ryota Fukai¹, Tomohiro Usui^1,2, Wataru Fujiya³, Yoshinori Takano⁴, Ken-ichi Bajo⁵, Andrew Beck⁶, Enrica Bonato⁷, Nancy L. Chabot¹⁸, Yoshihiro Furukawa⁸, Hidenori Genda⁹, Fred Jourdan¹⁰, Thorsten Kleine¹¹, Mizuho Koike¹², Moe Matsuoka¹³, Yayoi N Miura², Frederic Moynier¹⁴, Ryuji Okazaki¹⁵, Sara S. Russell¹⁶, Michael E. Zolensky¹⁷, Haruna Sugahara¹, Shogo Tachibana^1,2, Sakamoto Kanako¹, Masanao Abe¹ (1.Japan Aerospace Exploration Agency, 2.The University of Tokyo, 3.Ibaraki University, 4.Japan Agency for Marine-Earth and Technology, 5.Hokkaido University, 6.Marietta College, 7.German Aerospace Center, 8.Tohoku University, 9.Tokyo Institute of Technology, 10.Curtin University, 11.Max Planck Institute, 12.Hiroshima University, 13.National Institute of Advanced Industrial Science and Technology, 14.Institut de physique du globe de Paris, 15.Kyushu University, 16.National History Museum, 17.National Aeronautics and Space Administration, 18.Johns Hopkins University Applied Physics Lab)

*Yuuya Nagaashi¹, Yoshihiro Furukawa¹ (1.Tohoku University)

*Yuta Hirakawa¹, Yoshihiro Furukawa¹ (1.Tohoku University)

*Yoshihiro Furukawa¹, Daisuke Saigusa², Kuniyuki Kano³, Akira Uruno¹, Ritsumi Saito¹, Motoo Ito⁴, Megumi Matsumoto¹, Junken Aoki³, Masayuki Yamamoto¹, Tomoki Nakamura¹ (1.Tohoku University, 2.Teikyo University, 3.The University of Tokyo, 4.Japan Agency for Marine-Earth Science and Technology)