minerals Article Primary Minerals and Age of The Hydrothermal Quartz Veins Containing U-Mo-(Pb, Bi, Te) Mineralization in the Majerská Valley near Cuˇcma(Gemericˇ Unit, Spišsko-Gemerské Rudohorie Mts., Slovak Republic) Štefan Ferenc 1,*, Martin Števko 2,3 , Tomáš Mikuš 4, Stanislava Milovská 4, Richard Kopáˇcik 1 and Eva Hoppanová 1 1 Department of Geography and Geology, Faculty of Natural Sciences, Matej Bel University, Tajovského 40, 974 01 Banská Bystrica, Slovakia;
[email protected] (R.K.);
[email protected] (E.H.) 2 Earth Science Institute of the Slovak Academy of Sciences, Dúbravská cesta 9, 840 05 Bratislava, Slovakia;
[email protected] 3 Department of Mineralogy and Petrology, National Museum, Cirkusová 1740, 193 00 Praha 9, Horní Poˇcernice,Czech Republic 4 Earth Science Institute of the Slovak Academy of Sciences, Dumbierskaˇ 1, 974 11 Banská Bystrica, Slovakia;
[email protected] (T.M.);
[email protected] (S.M.) * Correspondence:
[email protected]; Tel.: +421-048-446-7253 Citation: Ferenc, Š.; Števko, M.; Abstract: An occurrence of vein U-Mo mineralization is located in the Majerská valley near Cuˇcma,ˇ Mikuš, T.; Milovská, S.; Kopáˇcik,R.; about 7 km to the NNE of the district town of Rožˇnava(Eastern Slovakia). Mineralization is hosted Hoppanová, E. Primary Minerals and in the acidic metapyroclastics of the Silurian Bystrý Potok Fm. (Gemeric Unit), and originated in Age of The Hydrothermal Quartz the following stages: (I.) quartz I, fluorapatite I; (II.) quartz II, fluorapatite II, zircon, rutile chlorite, Veins Containing U-Mo-(Pb, Bi, Te) tourmaline; (III.) uraninite, molybdenite, U-Ti oxides; (IV.) pyrite I, ullmannite, gersdorffite, cobaltite; Mineralization in the Majerská Valley (Va.) galena, bismuth, tetradymite, joséite A and B, Bi3(TeS)2 mineral phase, (BiPb)(TeS) mineral near Cuˇcma(Gemericˇ Unit, phase, ikunolite; (Vb.) minerals of the kobellite–tintinaite series, cosalite; (VI.) pyrite II; (VII.) titanite, Spišsko-Gemerské Rudohorie Mts., chlorite; and (VIII.) supergene mineral phases.