10:30 AM - 10:45 AM
*Yoshiaki SUZUKI1, Ryuji TADA1, Kana NAGASHIMA2, Tomohisa IRINO3, Kazuyoshi YAMADA4, Takeshi NAKAGAWA5, Hideaki KOJIMA6, Project members SG12/067 (1.Univ. Tokyo, 2.JAMSTEC, 3.Hokkaido University, 4.Museum of Natural and Environmental history, Shizuoka, 5.Ritsumeikan University, 6.Wakasa-Mikata Jomon Museum, 7.none)