*SHREYA Arora1, Hisao Kondo1 (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology )
convener:Hisao Kondo(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Mamoru Koarai(Earth Science course, College of Science, Ibaraki University), Takashi OGAMI(National Institute of Advanced Industrial Science and Technology), Yoshiki Sato(Advanced Industrial Science and Technology, Geological Survey of Japan)