*Takuroh Sano¹, Masayuki Hyodo^1,2, Megumi Matsumoto³, Yusuke Seto¹, Tianshui Yang⁴ (1.Departure of Planetology, Kobe University, 2.Research Center for Inland Seas, Kobe University, 3.Center for Supports to Research and Education Activities, Kobe University, 4.State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences)