1:45 PM - 2:00 PM
*Kenta Kobayashi1, Keiji Ogashiwa1, Keita Takahashi2, Shun Suzuki2, Yumeki Hoshika2, Naoki Takahashi1, Chihiro Takahashi1 (1.Department of Geology, Faculty of Science, Niigata University, 2.Graduate School of Science and Technology, Niigata University)