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Book Chapter

Multiple Stages of Mineralization at the Rozália Mine, Hodruša

By
Jaroslav Lexa
Jaroslav Lexa
Geological Survey of Slovak Republic, Mlynská dol. 1, 817 04 Bratislava, Slovakia
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Peter Koděra
Peter Koděra
Geological Survey of Slovak Republic, Mlynská dol. 1, 817 04 Bratislava, Slovakia
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Ján Prcúch
Ján Prcúch
Slovenská Banská, s.r.o., č 388, 966 61 Hodruša — Hámre, Slovakia
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Michal Veselý
Michal Veselý
Slovenská Banská, s.r.o., č 388, 966 61 Hodruša — Hámre, Slovakia
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Jozef Šály
Jozef Šály
Slovenská Banská, s.r.o., č 388, 966 61 Hodruša — Hámre, Slovakia
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Published:
January 01, 1999

Abstract

The Rozália mine is one of the youngest in the Štiavnica-Hodruša ore district. The mine was operated by the state company Rudné Bane until 1992, and since 1994 by the private company Slovenská Banská, s.r.o. Interestingly, three different types of ore have been extracted successively during the existence of this mine. Initial steps to mine Cu ores of the Rozália vein were taken in the year 1939; however, the war interrupted mining until 1948. Exploitation was finally restarted in 1951. In total 1,864,000 tons of copper ore was produced through 1990 with an average Cu content of 0.74 wt% (Fajbík, 1997). The vein was developed and exploited down to the 14th level (+230 m above sea level, corresponding to a depth of 350 to 400 m below the surface). After exhaustion of the Cu ores of the Rozália vein, the richest parts of the stockwork and disseminated base-metal ores, located in the hanging wall of the Rozália vein on the 8 to 10th levels, were exploited in 1991 — 1992. According to Kana (1997) from 1. 11. 1990 through 31. 12. 1991 a total of 62,137 tons of ore was mined with an average metal concentration of 1.31 % Pb, 1.59 % Zn and 0.34 % Cu. In January, 1992, underground exploration of newly discovered gold mineralization was started on the 14th level of the Rozália mine. Exploration work was successful (Šály and Kámen, 1992; Šály et al., 1994) and exploitation began in 1993 and is still in progress. Today

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Contents

Society of Economic Geologists Guidebook Series

Epithermal Mineralization of the Western Carpathians

Ferenc Molnár
Ferenc Molnár
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Jaroslav Lexa
Jaroslav Lexa
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Jeffrey W. Hedenquist
Jeffrey W. Hedenquist
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Society of Economic Geologists
Volume
31
ISBN electronic:
9781934969847
Publication date:
January 01, 1999

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