3:30 PM - 3:45 PM
*Takeshi Tsuji1, Tetsuro Tsuru2, Ryota Wada3, Hideaki Murayama3, Shuhei Tsuji1, Yuichi Machijima4, Kenji Nagahashi5, Masaharu Ueki6, Ryunosuke Kikuchi7, Ippei Takeda8 (1.Department of Earth Resources Engineering, Kyushu University, 2.Tokyo University of Marine Science and technology, 3.The University of Tokyo, 4.Lazoc Inc., 5.JAMSTEC, 6.UETAX, 7.NC Geophysical Survey, 8.Japan Coal Frontier Organization)