*Toshiyuki Kurihara1, Kaori Tsuchiya2 (1.Graduate School of Science and Technology, Niigata University, 2.Faculty of Science, Niigata University)
convener:Atsushi Matsuoka(Department of Geology, Faculty of Science, Niigata University), Katsunori Kimoto(Japan Agency for Marine-Earth Science and Technology), Toshiyuki Kurihara(Graduate School of Science and Technology, Niigata University), Tetsuji Onoue(Earth and Environmental Sciences, Graduate School of Science and Technology, Kumamoto University)