3:30 PM - 4:45 PM
*Akira Ijiri1,2, Naotaka Tomioka1, Harue Masuda3, Shigeyuki Wakaki1, Masafumi MURAYAMA4, Fumio Inagaki1,2 (1.Kochi Institute for Core Sample Research, Japan Agency for Marine Science and Technology (JAMSTEC), 2.Research and Development Center for Submarine Resources, JAMSTEC, 3.Graduate School of Science, Osaka City University, 4.Kochi university, Center for Advanced Marine Core Research)