4:30 PM - 4:45 PM
*Kazumi YOSHIYA1, Yusuke SAWAKI2, Tsuyoshi KOMIYA3, Takafumi HIRATA4, Shigenori MARUYAMA1 (1.Earth life Institute, Tokyo Insititute of Technology, 2.Dept. of Earth & Planetary Sciences, Tokyo Insititute of Technology, 3.Dept. of Earth Sci. and Astro., The University of Tokyo, 4.Dept. of Geology and Mineralogy, Kyoto University)