*Miki Tasaka1, Shunsuke Inagawa1 (1.Shimane University)
convener:Miki Tasaka(Shimane University), Osamu Kuwano(Japan Agency for Marine-Earth Science and Technology), Ichiko Shimizu(Division of Earth and Planetary Sciences, Graduate School of Science, Kyoto University), Hidemi Ishibashi(Faculty of Science, Shizuoka University), Chairperson:Osamu Kuwano(Japan Agency for Marine-Earth Science and Technology (JAMSTEC)), Ichiko Shimizu