9:30 AM - 9:45 AM
*Ryosuke Nagao1, Yuki ISHIHARA1, Satoshi Yoshida2, Sota Niki3, Yuta Ijichi3, Yusuke Sawaki2, NATSUKO ADACHI6, Takeshi Ohno5, Yuichiro Ueno4, Takafumi Hirata3, Tsuyoshi Komiya1,2 (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo , 2.Graduate School of Arts and Sciences, The University of Tokyo, 3.Geochemical Research Center, The University of Tokyo, 4.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 5.Department of Chemistry, Faculty of Science, Gakushuin University, 6.Department of Geosciences, Osaka Metropolitan University)