<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The authors studied the poorly-known, uneconomic sulphide mineralization site in Sowia Dolina near Karpacz. Host rocks are hornfelses of the Velká Úpa schist series, which belongs to the Izera-Kowary Unit. Ore minerals assemblage includes: pyrrhotite, pyrite, chalcopyrite, arsenopyrite, sphalerite, galena and marcasite, accompanied by ilmenite and rutile. The oldest sulphide is high-temperature pyrrhotite crystallized at about 600°C, which is in good agreement with the temperature range of contact metamorphic conditions, revealed by muscovitesillimanite transformation. Low-temperature pyrrhotite and other sulphides formed at about 390°C (arsenopyrite geothermometer) down to 265°C (pyrrhotite geothermometer), whereas fluid inclusions studies of vein quartz demonstrated the temperature range 380-150°C. Mineralization in Sowia Dolina is similar to other ore hydrothermal deposits known from the proximal or distal contact zone of the Karkonosze granite.</p></abstract>

The authors studied the poorly-known, uneconomic sulphide mineralization site in Sowia Dolina near Karpacz. Host rocks are hornfelses of the Velká Úpa schist series, which belongs to the Izera-Kowary Unit. Ore minerals assemblage includes: pyrrhotite, pyrite, chalcopyrite, arsenopyrite, sphalerite, galena and marcasite, accompanied by ilmenite and rutile. The oldest sulphide is high-temperature pyrrhotite crystallized at about 600°C, which is in good agreement with the temperature range of contact metamorphic conditions, revealed by muscovitesillimanite transformation. Low-temperature pyrrhotite and other sulphides formed at about 390°C (arsenopyrite geothermometer) down to 265°C (pyrrhotite geothermometer), whereas fluid inclusions studies of vein quartz demonstrated the temperature range 380-150°C. Mineralization in Sowia Dolina is similar to other ore hydrothermal deposits known from the proximal or distal contact zone of the Karkonosze granite.

Occurrence of Sulphides in Sowia Dolina Near Karpacz (SW Poland) - An Example of ore Mineralization in the Contact Aureole of the Karkonosze Granite

Faculty of Geology, Geophysics and Environment Protection, AGH-University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland

Institute of Geological Sciences, University of Wrocław, Plac M. Borna 9, 50-204 Wrocław, Poland

Faculty of Management, AGH-University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland

Mineralogia

The authors studied the poorly-known, uneconomic sulphide mineralization site in Sowia Dolina near Karpacz. Host rocks are hornfelses of the Velká Úpa schist...

Occurrence of Sulphides in Sowia Dolina Near Karpacz (SW Poland) - An Example of ore Mineralization in the Contact Aureole of the Karkonosze Granite

Pubblicato online: 21 nov 2008

Pagine: 185 - 208

DOI: https://doi.org/10.2478/v10002-007-0026-5

Parole chiave
the West Sudetes, Karkonosze granite, metamorphic envelope, Izera-Kowary Unit, Sowia Dolina, contact aureole, ore mineralization

This content is open access.

Occurrence of Sulphides in Sowia Dolina Near Karpacz (SW Poland) - An Example of ore Mineralization in the Contact Aureole of the Karkonosze Granite

Pubblicato online: 21 nov 2008

Pagine: 185 - 208

DOI: https://doi.org/10.2478/v10002-007-0026-5

Parole chiavethe West Sudetes, Karkonosze granite, metamorphic envelope, Izera-Kowary Unit, Sowia Dolina, contact aureole, ore mineralization

This content is open access.

Parole chiave
the West Sudetes, Karkonosze granite, metamorphic envelope, Izera-Kowary Unit, Sowia Dolina, contact aureole, ore mineralization