9:30 AM - 9:45 AM
*Shun MUTO1, Satoshi TAKAHASHI1, Satoshi YAMAKITA2, Noritoshi SUZUKI3, Yoshiaki AITA4 (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 2.Department of Earth Sciences, Faculty of Education and Culture, University of Miyazaki, 3.Institute of Geology and Paleontology, Graduate school of Science, Tohoku University, 4.Geology Lab, Faculty of Agriculture, Utsunomiya University)