2:45 PM - 3:00 PM
*Takahiro Ozawa1, Takeshi Hanyu2, Hikaru Iwamori2,1, Morihisa Hamada2, Takayuki Ushikubo3, Kenji Shimizu3, Motoo Ito3, Jun-Ichi Kimura2, Qing Chang2, Tsuyoshi Ishikawa3 (1.Tokyo Institute of Technology, 2.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology, 3.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology)