9:30 AM - 9:45 AM
*Tadahiro Hatakeyama1, Hirotaka Yokota2, Yu Kitahara1, Naoko Nakamura3 (1.Institute of Frontier Science and Technology, Okayama University of Science, 2.Department of Biosphere-Geosphere Science, Okayama University of Science, 3.Research Center for Archaeology, Kagoshima University)