10:45 AM - 12:15 PM
*Isao Yosano1, Yuhji Yamamoto1, Yuki Morono2, Naotaka Tomioka2, Takeshi Terada3, Kohei Masaoka4 (1.Kochi university, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.Marine Works Japan Ltd., 4.Kyusyu University)