2:30 PM - 2:45 PM
Asako Takamasa1, *Katsuhiko Suzuki1, Yusuke Fukami2, Tsuyoshi Iizuka3 (1.Research and Development Center for Submarine Resources, Japan Agency for Marine-Earth Science and Technology, 2.Department of Subsurface Geobiological Analysis and Research, Japan Agency for Marine-Earth Science and Technology, 3.Graduate School of Science, The University of Tokyo)