2:45 PM - 3:00 PM
*Futoshi NANAYAMA1, Kiyoyuki SHIGENO2, Kazuaki WATANABE1, Hideki YOSHIKAWA1, Takeshi HASEGAWA3, Yasuo IKEDA4, Kazuto ISHIWATA5, Yasuhito UCHIDA6 (1.Geological Survey of Japan, AIST, 2.Meiji Consultant Co. Ltd., 3.Ibaraki University, 4.Hokkaido University of Education, 5.Betsukai Museum, 6.Geological Survey of Hokkaido, HRO)