5:15 PM - 6:45 PM
*Cheolwoo Kim1, Tetsuo Kawakami1, Fumiko Higashino1, Shumpei Kudo1, Miku Nakano1, Sota Niki2, Takafumi Hirata2 (1.Graduate School of Science, Kyoto University, 2.Geochemical Research Center, Graduate School of Science, The University of Tokyo)