12:25 PM - 12:45 PM
*Junzo KASAHARA1, Ryuji KUBOTA1, Kanai YUTAKA1, Oshie TAZAWA1, Osamu FUJIMOTO1, Aya KAMIMURA1, Eiichiro NISHIYAMA1, Kei MURASE1, Shizuo NOGUCHI1, Takeshi OHMURA1, Hiroshi OHUMRA1, Yoko HASADA2 (1.Kawasaki Geological Enginnering Co. Ltd., 2.Daiwa Exploration and Consulting Co. Ltd.)