9:15 AM - 9:30 AM
*Hironobu HINATA1, Yoshiyuki TATSUMI1, Keiko SUZUKI-KAMATA1, Kenichiro TANI2, Jun-ichi KIMURA3, Qing CHANG3 (1.Department of Earth and Planetary Sciences, Graduate School of Science, Kobe University, 2.Department of Geology and Paleontology, National Museum of Nature and Science, 3.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Scienc and Technology)