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Rapid fluid inclusion data
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This area is one of the earliest mining districts and gold was
mined from numerous epithermal quartz veins intersecting the
Stiavnica stratovolvcano of miocene age. A geological description
of this area has been published in the ACTA
Mineralogica-Petrographica, IMA2010 Field guide series, trip SK3,
Vol 29, 2010 by Peter Kodera & Jaroslav Lexa.
The area is located in western Slovakia, about 130 Km NE of
Bratislava.
The Rozalia vein, which is a few km west of the village of Banksa
Stiavnica, is one of many veins in this area. A small gold mining
operation provided access to quartz ore in the bins at the
crushing plant. The geological context of the 6 samples collected
is uncertain.
3 of these samples have very low decrepitation intensities, which
is normal for epithermal fluid inclusions. But 3 samples show
substantial decrepitation intensities which is characteristic of
mesothermal veins. None of the samples show low temperature
decrepitation caused by CO2 rich inclusions and it
seems these fluid systems were dominantly aqueous.