11:15 AM - 11:30 AM
*Hideto Uchida1, Hideki Mukoyoshi1, Kenta Kobayashi2, Tetsuro Hirono3 (1.the Earth Resource Environment department,Shimane University, 2.Department of Geology, Faculty of Science, Niigata University, 3.Department of Earth and Space Science, Graduate School of Science Osaka University)