*Tetsuya Komatsu1, Atsuto Izumida2, Takahiro Oka2, Takayuki Takahashi2, Katsuhiro Nomura1, Ken-ichi Yasue1, Toshihiko Sugai2 (1.Japan Atomic Energy Agency, 2.Graduate School of Frontier Sciences, The University of Tokyo)
convener:Toshihiko Sugai(Department of Natural Environmental Studies, Institute of Environmental Studies, Graduate School of Frontier Science, The University of Tokyo), Mamoru Koarai(Earth Science course, College of Science, Ibaraki University), Kiyohide Mizuno(Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology), Minoru YONEDA(The University Museum, The University of Tokyo), Chairperson:Toshihiko Sugai(Department of Natural Environmental Studies, Institute of Environmental Studies, Graduate School of Frontier Science, The University of Tokyo), Chairperson:Kiyohide Mizuno(Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology)