3:45 PM - 4:00 PM
*Chikako Fujimoto1, Ayako Shinozaki2, Koichi Mimura2, Tamihito Nishida2, Hirotada Gotou3, Kazuki Komatsu1, Hiroyuki Kagi1 (1.Geochemical Laboratory, Graduate School of Science, University of Tokyo, 2.Graduate School of Environmental Studies, Nagoya University, 3.Institute for Solid State Physics, University of Tokyo)