4:45 PM - 5:00 PM
*Ryuji Tada1, Ke WANG1, Keita Saito1, Hongbo Zheng6, Yoshiaki Suzuki1, Saiko Sugisaki2, Kana Nagashima5, Masao Uchida7, Tomohisa Irino4, Takeshi Nakagawa8, Yoshimi Kubota3, Katsunori Kimoto5, Takuya Itaki2 (1.Department of Earth and Planetary Science, Graduate School of Science, The Univeristy of Tokyo, 2.Geological Survey of Japan, AIST, 3.National Museum of Nature and Science, 4.Hokkaido University, 5.JAMSTEC, 6.Yunnan University, 7.National Institute for Environmental Studies, 8.Ritsumeikan University)