11:00 AM - 11:15 AM
Katsunori KIMOTO1, *Shiro HASEGAWA2, Hiroshi NAMIKAWA3, Minoru KITAMURA2, Hajime KAWAKAMI2, Makio HONDA2 (1.Kumamoto University, 2.Japan Agency for Marine-Earth Science and Technology, 3.National Museum of Nature and Science, Tokyo)