2:35 PM - 2:50 PM
*Yusei Uehara1, Yuichi Onda2, Junko Takahashi2, Miyu Nakanishi1, Yupan Zhang2, Shiori Takamura1 (1.Program of Geoscience, University of Tsukuba, 2.Center for research in radiations, isotopes, and earth system sciences, University of Tsukuba)