Martin Chadima^1,2, Katarzyna Dudzisz³, Josef Jezek⁴, Frantisek Hrouda^4,5, Michael Richard Wack⁶ and Stuart Gilder⁶, (1)Institute of Geology of the Czech Academy of Sciences, Prague, Czech Republic, Prague, Czech Republic, (2)AGICO lnc, Brno, Czech Republic, (3)Institute of Geophysics Polish Academy of Sciences, Warsaw, Poland, (4)Charles University, Prague, Czech Republic, (5)AGICO lnc, Brno, 621, Czech Republic, (6)Ludwig Maximilians University of Munich, Munich, Germany