2:15 PM - 2:30 PM
*Hidetoshi Hara1, Miho Hirano2, Toshiyuki Kurihara3, Hayato Ueda2 (1.Institute of Geology and Geoinformation (Geological Survey of Japan) National Institute of Advanced Industrial Science and Technology, 2.Department of Geology, Faculty of Science, Niigata University, 3.Graduate School of Science and Technology, Niigata University)