9:45 AM - 10:00 AM
*Satoshi Okumura1, Kentaro Uesugi2, Akio Goto3, Tatsuya Sakamaki1, Kazuhisa Matsumoto1, Akihisa Takeuchi2, Akira Miyake4 (1.Department of Earth Science, Graduate School of Science, Tohoku University, 2.SPring-8/JASRI, 3.Center for Northeast Asian Studies, Tohoku University, 4.Division of Earth and Planetary Sciences, Graduate School of Science, Kyoto University)