*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)