9:45 AM - 10:00 AM
Kaori YANAI1, *Shoichi ITOH2, James GREENWOOD3, Sara RUSSELL4, Hisayoshi YURIMOTO1 (1.Department of Natural History Sciences, Hokkaido University, 2.Department of Earth and Planetary Sciences, Kyoto University, 3.Department of Earth and environment Sciences, Wesleyan University, 4.Department of Earth Sciences, Natural History Museum, London)