*Balazs Bradak^1,2、Masayuki Hyodo^1,3、Ikuko Tanaka^3,2、Jozsef Kovacs⁴、Peter Tanos⁴ (1.Research Center for Inland Seas, Kobe University, Nada, Kobe, 657-8501, Japan、2.JSPS Research Fellow、3.Department of Planetology, Kobe University, Nada, Kobe, 657-8501, Japan、4.Department of Physical and Applied Geology, Eotvos University, Budapest, H-1117, Hungary)