*Hana Kawashima¹, Hideko Takayanagi¹, Azumi Kuroyanagi¹, Shigeyuki Wakaki², Yuna Kimoto¹, Ryota Wako¹, Tsuyoshi Ishikawa³, Yasufumi Iryu¹ (1.Tohoku University, 2.National Museum of Japanese History, 3.JAMSTEC)

*Risa Kotoku¹, Masafumi MURAYAMA^2,3, Kazuno Arai³, Naomi Harada^4,5, Kazuya Nagaishi⁶, Tatsuya Kawai⁶, Tsuyoshi Ishikawa⁵ (1.Graduate School of Integrated Arts and Sciences, Kochi University, 2.Faculty of Agruculture and Marine Science, Kochi University, 3.Marine Core Research Institute, Kochi University, 4.Atmosphere and Ocean Research Institute, The University of Tokyo , 5.Japan Agency for Marine-Earth Science and Technology, 6.MARINE WORKS JAPAN LTD.)

*Tsuyoshi Ishikawa¹, Kohtaro Ujiie² (1.Kochi Institute for Core Sample Research, JAMSTEC, 2.Faculty of Life and Environmental Sciences, University of Tsukuba)

*Yoshiki Kinoshita¹, Tetsuro Hirono¹, Tsuyoshi Ishikawa², Tetsuya Sakuyama¹ (1.Osaka Metropolitan University, 2.JAMSTEC)

*Masako Hori¹, Tatsuya Baba¹, Yuki Shinohara¹, Tatsuya Kawai², Tsuyoshi Ishikawa³ (1.Osaka Kyoiku University, 2.Marine Works Japan, 3.Kochi Institute for Core Sample Research, Japan Agency of Marine-Earth Science and Technology)

*Kaoru Kubota¹, Tsuyoshi Ishikawa¹, Toshihiro Yoshimura¹, Katsunori Kimoto¹, Qing Chang¹, Minoru Ikehara², Yusuke Yokoyama^1,3, Francisco Jimenes-Espejo^4,1, Sidney Hemming⁵, Stephen Barker⁶, Ian Hall⁶ (1.Japan Agency for Marine-Earth Science and Technology, 2.Kochi University, 3.The University of Tokyo, 4.University of Granada, 5.Columbia University, 6.Cardiff University)

*Akito Nakamura¹, Hitoshi Hasegawa¹, Aki Sakuma², Minoru Ikehara¹, Tomoyo Okumura¹, Chuan-Chou Shen³, Niiden Ichinnorov⁴, Dawadorj Davaasuren⁵, Tsuyoshi Ishikawa⁶, Yoshiro Nishio¹, Asuka Yamaguchi², Trishit Ruj⁷, Goro Komatsu⁸ (1.Kochi University, 2.University of Tokyo, 3.National Taiwan University, 4.Paleontological Institute, Mongolia, 5.Mongolian National University, 6.JAMSTEC, 7.Okayama University, 8.Università d’Annunzio)

*Adam David Sproson¹, Toshihiro Yoshimura¹, Shigeyuki Wakaki², Tsuyoshi Ishikawa³, Naohiko Ohkouchi¹ (1.Biogeochemistry Research Center, Japan Agency for Marine-Earth Science and Technology, 2-15 Natsushima, Yokosuka, Kanagawa 237-0061, Japan, 2.National Museum of Japanese History, 117 Jonai-cho, Sakura City, Chiba Prefecture 285-8502, Japan, 3.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology 200 Monobe Otsu, Nankoku City, Kochi 783-8502, Japan)