11:15 AM - 11:30 AM
*Takuya Nishio1, Hideko Takayanagi1, Ryuji Asami1, Ryuichi Shinjo2, Koshi Yamamoto3, Yasufumi Iryu1 (1.Institute of Geology and Paleontology, Graduate School of Science, Tohoku University, 2.Graduate School of Engineering and Science, University of the Ryukyus, 3.Graduate School of Environmental Studies, Nagoya University)