11:15 AM - 11:30 AM
*Yoichi USUI1, Takazo SHIBUYA1, Kenichiro TANI2, Masafumi SAITOH1, Manabu NISHIZAWA1, Teruhiko KASHIWABARA1 (1.Japan Agency for Marine-Earth Science and Technology, 2.Department of Geology and Paleontology, National Museum of Nature and Science)