1:45 PM - 3:15 PM
*Kazuaki Hori1, Manata Maruyama2, Toru Tamura3, Yuji Ishii3, Koji Seike3 (1.Department of Earth Science, Graduate School of Science, Tohoku University, 2.Earth Science_Division of GeoEnvironmental Science, Faculty of Science, Tohoku University, 3.Geological Survey of Japan, AIST)