Sun. May 26, 2019 12:00 AM - 12:00 AM
*Tomoki Shinozuka1, Hiroaki Kato2, Satoru Akaiwa1, Yuichi Onda2 (1.College of Geoscience, School of Life and Environmental Sciences, University of Tsukuba, 2.Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba)