*Shintaro Azuma¹, Ryo Matsumoto², Kenji Ohta¹, Yoshihiko Takano² (1.Tokyo Institute of Technology, 2.NIMS)

*Bunrin Natsui¹, Shintaro Azuma¹, Keishi Okazaki^2,3, Kentaro Uesugi⁴, Masahiro Yasutake⁴, Saori Kawaguchi⁴, Steeve Gréaux⁵, Ryuichi Nomura⁶, Kenji Ohta¹ (1.Institute of Science Tokyo, 2.Hiroshima University, 3.Japan Marine Science and Technology Center, 4.Japan Synchrotron Radiation Research Institute, 5.Ehime University, 6.Kyoto University)

*Bunrin Natsui¹, Shintaro Azuma¹, Masahiro Yasutake², Yukinojo Koyama³, Keishi Okazaki^4,5, Kentaro Uesugi², Saori Kawaguchi², Ryuichi Nomura⁶, Kenji Ohta¹ (1.Institute of Science Tokyo, 2.Japan Synchrotron Radiation Research Institute, 3.The University of Tokyo, 4.Hiroshima University, 5.Japan Marine Science and Technology Center, 6.Kyoto University)

*Keiya Ishimori¹, Shintaro Azuma¹, Kentaro Uesugi², Masahiro Yasutake², Keishi Okazaki³, Bunrin Natsui¹, Kenji Ohta¹ (1.Institute of Science Tokyo, 2.JASRI/SPring-8, 3.Hiroshima University)

*Keishi Okazaki^1,3, Shintaro Azuma², Masahiro Yasutake⁵, Bunrin Natsui², Kentaro Uesugi⁵, Naotaka Tomioka^3,1, Ryuichi Nomura⁴ (1.Earth and Planetary Systems Science Program, Hiroshima University, 2.Department of Earth & Planetary Sciences, Institute of Science Tokyo, 3.Kochi Institute for Core Sample Research, JAMSTEC, 4.Kyoto University, 5.JASRI/SPring-8)