1. Department of Geology and Geological Engineering, Faculty of Mining, Geology and Petroleum Engineering; University of Zagreb; Pierottijeva 6, 10000 Zagreb Croatia
2. Geology Division, School of Science and Technology; University of Camerino; Gentile III da Varano, 62032 Camerino (MC) Italy
3. Institute of Earth Sciences, NAWI Graz Geocenter; University of Graz; Heinrichstraße 26, 8010 Graz Austria