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Hydrothermal quartz-baryte veins containing Pb-Cu-Sb-(Bi) mineralization at Brusno-Brzáčka occurrence (Veporic Unit, Central Slovakia) and their supergene alteration
Title Hydrothermal quartz-baryte veins containing Pb-Cu-Sb-(Bi) mineralization at Brusno-Brzáčka occurrence (Veporic Unit, Central Slovakia) and their supergene alteration Author info Eva Hoppanová, Štefan Ferenc ... [et al.] Author Hoppanová Eva 1995- (35%) UMBFP01 - Katedra geografie a geológie
Co-authors Ferenc Štefan 1977- (30%) UMBFP01 - Katedra geografie a geológie
Mikuš Tomáš (10%)
Dolníček Zdeněk (10%)
Kopáčik Richard 1995- (5%) UMBFP01 - Katedra geografie a geológie
Vlasáč Jozef (5%)
Šimonová Viera 1977- (5%) UMBFP01 - Katedra geografie a geológie
Source document Acta Geologica Slovaca. Roč. 16, č. 1 (2024), s. 1-17. - Bratislava : Univerzita Komenského v Bratislave, 2024 Keywords sulfidická mineralizácia - sulfide mineralization Headings Geogr. Slovenské rudohorie (Slovensko : pohorie) Brusno (Slovensko) Západné Karpaty (pohorie) Form. Descr. články - journal articles Language English Country Slovak Republic Annotation The Brusno-Brzáčka occurrence (N 48.7698772°; E 19.4128150°) is located near the Brusno village (Slovenské Rudohorie Mts. Veporic Unit). Historically, the mineralization was explored by small-scale mining works located at the contact between the siliciclastic rocks of the Upper Permian and the Lower Triassic age. Paleo-Alpine metamorphic-hydrothermal mineralization is represented by quartz, baryte, or quartz-baryte veins, containing weak ore mineralization. Its succession is as follows: coarse-grained quartz I, pyrite (mineralization period I); baryte (II); tetrahedrite-(Zn), chalcopyrite (III); galena (IV) and quartz II (V). Supergene alteration produced initially covellite and spionkopite in the cementation zone. The oldest minerals in the oxidation zone are goethite, pyromorphite and mimetite. They were succeeded by the crystallization of Ba-rich anglesite, which partly overlaps in time with the precipitation of slightly younger anglesite. The formation of baryte partly overlaps with the deposition of anglesite, but in most cases, it is clearly younger. Bismutite is the youngest supergene mineral. A solid solution of anglesite–baryte with a Ba content from 0.29 apfu up to 0.51 apfu (i.e., Ba-rich anglesite) was identified at the studied site. This mineral phase covers the field of immiscibility of the natural solid solution PbSO4 – BaSO4, but the Ba/Pb ratio practically does not enter the baryte field (Pb-rich baryte). URL Link na zdrojový dokument Public work category ADF No. of Archival Copy 54740 Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ References PERIODIKÁ-Súborný záznam periodika 
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Number of the records: 1