*Bidisha Dey¹, Tsuyoshi Ishikawa², Tomoyuki Shibata¹, Masako Yoshikawa¹, Kazuya Nagaishi³ (1.Earth and Planetary Systems Science Program, Hiroshima University, 2.Kochi Core Center, JAMSTEC, 3.Marine Works Japan LTD)

*Tsuyoshi Ishikawa¹, Akira Ijiri², Cameron Brown³, Yuki Morono¹, Troy Rasbury⁴, Rebecca Robertson⁵, Chijun Sun⁶, Junli Zhang⁷, Marianne Conin⁸, Patrick Fulton⁹, Jamie Kirkpatrick¹⁰, Christine Regalla¹¹, Kohtaro Ujiie¹², Shuichi Kodaira¹, Lena Maeda¹, Natsumi Okutsu¹, the Expedition 405 Scientists (1.JAMSTEC, 2.Kobe University, 3.University of California Los Angeles, 4.Stony Brook University, 5.Durham University, 6.University of California Davis, 7.University of Bremen, 8.University of Lorraine, 9.Cornell University, 10.University of Nevada, Reno, 11.Northern Arizona University, 12.University of Tsukuba)

*Akito Nakamura¹, Hitoshi Hasegawa¹, Tomoyo Okumura¹, Minoru Ikehara¹, Aki Sakuma², Chuan-Chou Shen³, Ichinnorov Niiden⁴, Davassuren Davadori⁵, Tsuyoshi Ishikawa⁶, Asuka Yamaguchi², Goro Komatsu⁷ (1.Kochi univ., 2.Univ.Tokyo, 3.National Taiwan Univ., 4.Paleontological Institute, Mongolia, 5.Mongolian National Univ., 6.JAMSTEC, 7.Università d’Annunzio)

Kantaro Yamada¹, Tomohiro Toki², Tsuyoshi Ishikawa³, Jun-ichiro Ishibashi¹, Hironori Otsuka⁴, Takuya Itaki⁵, Masafumi MURAYAMA⁶, *Akira Ijiri¹ (1.Kobe University, 2.University of the Ryukyus, 3.JAMSTEC, 4.The University of Tokyo, 5.AIST, 6.Kochi University)