10:00 AM - 10:15 AM
*Toru Tamura1, Yoshiki Saito1, Van Lap Nguyen2, Thi Kim Oanh Ta2, Marcello Gugliotta1 (1.Institute of Geology and Geoinformation Geological Survey of Japan, AIST, 2.Ho Chi Minh Institute of Resource Geography, Vietnamese Academy of Science and Technology)