11:00 AM - 1:00 PM
*Akira Usui1, Kyoko Yamaoka2, Teruhiko Kashiwabara3, Hikari Hino4 (1.Marine Core Research Center, Kochi University, 2.Geological Survey of Japan, AIST, 3.Japan Agency for Earth-Marine Science and Technol, 4.Graduate School of Integrated Arts & Sciences, Kochi University)