11:30 AM - 11:45 AM
*Isao Motoyama1, Toshiaki Maruyama1, Nanami Akiyama1, Shota Ishizawa1, Akane Kasukawa1, Kenji M. Matsuzaki2 (1.Department of Earth and Environmental Sciences, Yamagata University, 2.Department of Earth and Planetary Science, Graduate School of Science, the University of Tokyo)