4:05 PM - 4:20 PM
*KUWAYAMA Shinya1, George HASHIMOTO1, Hiroki Kashimura2, Toshiki Matsushima2, Norihiko Sugimoto3, Masahiro Takagi4, Yoshi-Yuki Hayashi2 (1.Department of Earth Sciences, Okayama University, 2.Department of Planetology, Kobe University, 3.Department of Physics, Keio University, 4.Department of Science, Kyoto Sangyo University)