11:15 AM - 11:30 AM
*Jenielyn PADRONES1, Akira IMAI2, Ryohei TAKAHASHI2, Jillian aira GABO3, Kenichiro TANI4 (1.Graduate School of Engineering and Resource Sciences, Akita University, Japan, 2.Faculty of International Resource Sciences, Akita University, Japan, 3.Department of Earth Resources Engineering, Kyushu University, Japan, 4.Department of Geology and Paleontology, National Museum of Nature and Science, Japan)