11:00 AM - 11:15 AM
*Eman Saad1, Kazuhito Ozawa2, Takeshi Kuritani3, Ali Khudeir1 (1.Geology Department, Faculty of Science, Assiut University, 71516 Assiut, Egypt, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, Chiba, Japan, 3.Department of Earth and Planetary Science, Hokkaido University, Hokkaido, Japan.)