11:00 AM - 1:00 PM
*Manabu Ogata1, yuzuko tsukahara1, Makoto Kawamura1, Mizuho Kanno1, Nariaki Nishiyama1, Shigeru Sueoka1, Tetsuya Komatsu1, Toshimichi Nakanishi2, Ken-ichi Yasue3 (1.Tono Geoscience Center, Japan Atomic Energy Agency, 2.Museum of Natural and Environmental History, Shizuoka, 3.University of Toyama)