12:00 PM - 12:15 PM
Masafumi Tani1, *Eiichi TAKAZAWA1,2, Madhusoodhan Satish-Kumar1, Masahide Akasaka3, Yoshihiko Tamura2 (1.Department of Geology, Faculty of Science, Niigata University, 2.R & D Center for Ocean Drilling Science, Japan Agency for Maine-Earth Science and Technology, 3.Department of Geoscience, Shimane University)