12:00 PM - 12:15 PM
*Katsunori KIMOTO1, Tatsuyuki KIHARA2, Shinya IWASAKI3, Osamu SASAKI4, Harumasa KANO4, Masahide WAKITA1, Tomohisa IRINO5 (1.JAMSTEC, 2.Tohoku University, 3.AORI, Univ. of Tokyo, 4.The Tohoku University Museum, 5.Hokkaido Univeristy)