9:45 AM - 10:05 AM
*Norikatsu Akizawa1,3, Akira Ishikawa2, Yuka Niwa2, Olivier Alard3, Yoann Gréau3, Naoto Hirano4, Shiki Machida5 (1.Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 3.Macquarie University, 4.Center for Northeast Asian Studies, Tohoku University, 5.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology)