3:30 PM - 4:45 PM
Kiyotaka Matsuda2, *Futoshi Nanayama1, Fukashi Maeno4, Shinji Sugiyama3, Hidetoshi Naruo5, Toshihiko Ichihara6 (1.Geological Survey of Japan, AIST, 2.Miyazaki Prefectural Museum of Nature and History, 3.Paleoenvironment Research Institute Co. Ltd., 4.ERI, Tokyo Univ., 5.Takeokadai High School, 6.Fukken Co. Ltd.)