2:22 PM - 2:37 PM
*Ai Genda1, Atsushi Suzuki2, Toyoho Ishimura3, Minoru Ikehara4, Mayuri Inoue1 (1.Graduate School of National Science and Technology, Okayama University, 2.Geological Survey of Japan Natinal Institute of Advanced Industrial Science and Technology, 3.National Institute of Technology, Ibaraki College, 4.Center for Advanced Marine Core Research, Kochi University)