*Koyo Kumazawa¹, Masayuki Hyodo^1,2, Kotaro Hirose^1,2, Kosuke Tsumura¹, Shigehiro Katoh³, Osamu Kazaoka⁴, Itaru Ogitsu⁴, Hisashi Yabusaki⁴, Hiroki Hayashi⁵ (1.Department of Planetology, Kobe University, 2.Research Center for Inland Seas, Kobe University, 3.Hyogo Museum of Nature and Human Activities, 4.Research Institute of Environmental Geology, Chiba, 5.Shimane University)

*Masato Yoshizumi¹, Kotaro Hirose^1,2, Masayuki Hyodo^1,2, Hiroshi Sato³ (1.Dept. of planetology, Kobe Univ., 2.Research Center for Inland Seas, Kobe Univ., 3.Institute of Natural and Environmental Sciences, Univ. of Hyogo)

*Hideto Nakamura¹, Takuto Ando¹, Kotaro Hirose², Satoshi Asaoka², Ken Sawada¹ (1.Faculty of Science, Hokkaido University, 2.Research Center for Inland Seas, Kobe Univ.)

*Kotaro Hirose¹, Hideto Nakamura², Takuto Ando², Satoshi Asaoka¹, Ken Sawada² (1.Research Center for Inland Seas & Department of Planetology, Kobe University, 2.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido Univ.)