*Naoki Shiraishi¹, Hiroki Suga¹, Masaaki Miyahara¹, Takuji Ohigashi², Yuichi Inagaki², Akira Yamaguchi³, Naotaka Tomioka⁴, Yu Kodama⁵, Eiji Ohtani⁶ (1.Hiroshima University, 2.UVSOR Synchrotron facility, Institute for Molecular Science, 3.National Institute of Polar Research, 4.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 5.Marine Works Japan, 6.Department of Earth Sciences, Graduate School of Science, Tohoku University)

*Megumi Matsumoto¹, Akira Tsuchiyama¹, Junya Matsuno¹, Aiko Nakato¹, Akira Miyake¹, Motoo Ito², Naotaka Tomioka², Yu Kodama⁴, Kentaro Uesugi³, Akihisa Takeuchi³, Tsukasa Nakano⁵, Epifanio Vaccaro⁶ (1.Graduate School of Science, Kyoto Univ., 2.Japan Agency for Marine-Earth Science and Technology, 3.Japan synchrotron radiation research institute, 4.Marine Works Japan LTD., 5.AIST, Geological Survey of Japan, 6.National History Museum, London)

*Naoki Shiraishi¹, Hiroki Suga¹, Masaaki Miyahara¹, Takuji Ohigashi², Yuichi Inagaki², Akira Yamaguchi³, Naotaka Tomioka⁴, Yu Kodama⁵, Eiji Ohtani⁶ (1.Hiroshima University, 2.UVSOR Synchrotron facility, Institute for Molecular Science, 3.National Institute of Polar Research, 4.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 5.Marine Works Japan, 6.Department of Earth Sciences, Graduate School of Science, Tohoku University)

*Motoo Ito¹, Takuji Ohigashi², Ryoichi Nakada¹, Hiroki Suga³, Yu Kodama⁴, Hiroshi Naraoka⁵ (1.Kochi Institute for Core Sample Research JAMSTEC, 2.UVSOR, Institute for Molecular Science, 3.Graduate School of Science, Hiroshima University, 4.Marine Works Japan, 5.Department of Earth and Planetary Sciences, Kyushu University)