*Minato Tobita¹, Ryota Moriwaki¹, Tomohiro Usui², Carl B. Agee³, Mizuho Koike⁴, Tetsuya Yokoyama¹ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Earth-Life Science Institute, Tokyo Institute of Technology, 3.Institute of Meteoritics, University of New Mexico, 4.Atmosphere and Ocean Research Institute, University of Tokyo)

*Minato Tobita¹, Ryota Moriwaki¹, Tomohiro Usui², Carl B. Agee³, Mizuho Koike⁴, Tetsuya Yokoyama¹ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Earth-Life Science Institute, Tokyo Institute of Technology, 3.Institute of Meteoritics, University of New Mexico, 4.Atmosphere and Ocean Research Institute, University of Tokyo)