*Minoru Sakamoto^1,2, Masataka Hakozaki¹, Takumi Mitsutani³, Takeshi Nakatsuka⁴, Nanae Nakao⁵, Misao Yokoyama⁶, Fuyuki Tokanai⁵ (1.National Museum of Japanese History, 2.The Graduate University for Advanced Studies, 3.Nara National Research Institute for Cultural Properties, 4.Nagoya University, 5.Yamagata University, 6.Kyoto University)

Ku Nishikawa¹, *Mitsuru Okuno¹, Mao Oshita¹, Toshiyuki Fujiki², Akira Hayashida³, Toshimichi Nakanishi⁴, Masayuki Torii⁵, Wan Hong⁶ (1.Osaka Metropolitan University, 2.Okayama University of Science, 3.Doshisha University, 4.Museum of Natural and Environmental History, Shizuoka, 5.Kumamoto University, 6.Korea Institute of Geoscience and Mineral Resources)

Mao Oshita¹, *Mitsuru Okuno¹, Ku Nishikawa¹, Toshiyuki Fujiki², Toshimichi Nakanishi³, Akira Hayashida⁴, Masayuki Torii⁵, Wan Hong⁶ (1.Osaka Metropolitan University, 2.Okayama University of Science, 3.Museum of Natural and Environmental History, Shizuoka, 4.Doshisha University, 5.Kumamoto University, 6.Korea Institute of Geoscience and Mineral Resources)

*Seiko Yamasaki¹, Teruki Oikawa¹, Daniel P. Miggins², Anthony A.P. Koppers² (1.Geological Survey of Japan, Advanced Industrial Science and Technology, 2.Oregon State University)

*Keiko Sato^1,2, Hidenori Kumagai², Naoyoshi Iwata³, Takahiro Tagami⁴ (1.Sakura no Seibo Junior College, 2.JAMSTEC, 3.Yamagata Universitiy, 4.Kyoto University)

*Horst Zwingmann¹, Masakazu Niwa², Andrew Todd³ (1.Kyoto University, KUEPS, Japan, 2.Tono Geoscience Center, JAEA, Japan, 3.CSIRO Energy, Kensington, WA, Australia)

*Shin Toyoda¹, Marin Yamamoto², Jun-ichiro Ishibashi³ (1.Institute of Paleontology and Geochronology, Okayama University of Science, 2.Department of Applied Physics, Okayama University of Science, 3.Kobe Ocean-Bottom Exploration Center, Kobe University)

*Shusuke Isogai¹, Nobuyuki Tamai², Yuka Yokoyama¹, Atsushi Tani¹ (1.Department of Human Environmental Science, Graduate School of Human Development and Environment, Kobe University, 2.Department of Environment and Sustainability, Facility of Global Human Sciences, Kobe University)

*Tomomi Kani¹, Keiji Misawa², Noritoshi Morikawa³, Kohei Kazahaya³, Fumitake Kusuhara⁴, Shigekazu Yoneda⁵, Yasutaka Terakado⁶ (1.Department of Earth and Environmental Sciences, Kumamoto University, 2.National Institute of Polar Research , 3.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST) , 4.Central Research Institute of Electric Power Industry , 5.National Museum of Nature and Science, Tsukuba, Japan., 6.Graduate School of Human Development and Environment, Kobe University)

*Takashi Sambuichi¹, Urumu Tsunogai¹, Fumiko Nakagawa¹ (1.Graduate School of Environmental Studies, Nagoya university)