5:15 PM - 6:30 PM
*Yutaka Yoshimura1, Naoto Ishikawa1, Yuhji Yamamoto2, Hyeon-seon Ahn3, Tesfaye Kidane4, Yo-ichiro Otofuji5 (1.Kyoto University, 2.Center for Advanced Marine Core Research , Kochi Univ., 3.Research Institute of Natural Science, Gyeongsang National University, 4.2Department of Earth Science, Faculty of Science, Addis Ababa University, 5.Kobe University)