2:00 PM - 2:15 PM
*Yuri YAMAZAKI1, Yusuke SUGANUMA2,1, Takuya ITAKI3, Atsuko AMANO3, Takeshige ISHIWA2,1, Kosei E. YAMAGUCHI4 (1.The Graduate University for Advanced Studies , 2.National Insititute of Polar Research, 3.Geological Survey of Japan AIST, 4.Toho University)