*Yohei Igami1, Shunsuke Muto1, Masahiro Ohtsuka1, Aki Takigawa2, Akira Miyake2 (1.Institute of Materials and Systems for Sustainability, Nagoya University, 2.Graduate School of Science, Kyoto University)
convener:Wataru Fujiya(Ibaraki University, College of Science), Megumi Matsumoto(Graduate School of Science, Tohoku University), Shin Ozawa(Department of Earth Science, Graduate School of Science, Tohoku University), Yuki Hibiya(Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology)