1. Department of Geological Sciences, Masaryk University, Kotlářská 267/2, 611 37 Brno, Czech Republic
2. Research Institute for Building Materials, Hněvkovského 30/65, 617 00 Brno, Czech Republic
3. BIC Brno Spol. s r.o., Technology Innovation Transfer Chamber, Purkyňova 648/125, 612 00 Brno, Czech Republic
4. Department of Mineralogy and Petrology, National Museum, Cirkusová 1740, 193 00 Praha, Czech Republic
5. Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, V Holešovičkách 94/41, 182 09 Praha, Czech Republic
6. Österreichisches Archäologisches Institut, Franz Klein-Gasse 1, 1190 Wien, Austria
7. Department of Geology, Palacký University, 17. Listopadu 1192/12, 771 46 Olomouc, Czech Republic