5:15 PM - 6:30 PM
Yuya Nishino1, *Satoshi Tonai1, Yoshitaka Hashimoto1, Koshi Yagi2, Tetsumaru Itaya3 (1.Department of Applied Science, Faculty of Scienece, Kochi University, 2.Hiruzen Institute for Geology and Chronology Co., Ltd., 3.Research Institute of Natural Science, Okayama University of Science)