5:15 PM - 6:45 PM
*Miyabi Ueda1, Tomoki Nakamura1, Takayuki Ushikubo2, Megumi Matsumoto1, Daisuke Nakashima1, Hideto Yoshida3, Takashi Mikouchi3 (1.Tohoku University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.Tokyo University)