4:15 PM - 4:30 PM
*Kuniyo Kawabata1, Yujin Kitamura2, Yoshimasa Ishitani2, Nanami Honma3, Fumiaki Tsunomori4 (1.Center for General Education, KAGOSHIMA UNIVERSITY, 2.School of Science and Engineering, Kagoshima University, 3.Faculty of Science, Kagoshima University, 4.Geochemical Research Center, Graduate School of Science, The University of Tokyo)