*Morihisa Hamada¹, Estelle F. Rose-Koga², Kenneth T. Koga², Kenji Shimizu¹, Takayuki Ushikubo¹, Hideo Harada³, Andreas Auer⁴, Yoshiaki Yamaguchi³ (1.Japan Agency for Marine-Earth Science and Technology, 2.Institut des Sciences de la Terre d’Orléans, CNRS – UO-OSUC, 3.Shinshu University, 4.Shimane University)

*Aoi Asada¹, Katsuya Kaneko¹, Takeshi Hanyu², Morihisa Hamada², Kenji Shimizu³, Takayuki Ushikubo³, Qing Chang² (1.Department of Planetology, Graduate School of Science, Kobe University, 2.Resarch Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology, 3.Kochi Institute of Core Sample Research, Japan Agency for Marine-Earth Science and Technology)

*Kenta K. Yoshida¹, Reona Hiramine², Daisuke Ishimura³, Tomoki Sato¹, Yu Maruya⁴, Morihisa Hamada¹, Noriko Tada¹, Takeshi Hanyu¹, Yoshihiko Tamura¹, Shigeaki Ono¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.National Museum of Japanese History, 3.Tokyo Metropolitan University, 4.Necono-Wakuwaku Nature School)