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Tungsten-bearing ores related to the Santa Coloma granodiorlte (Andorra)

dc.contributor.authorEspinola, M. R.
dc.contributor.authorSoler Gil, Albert
dc.contributor.authorArcos, D.
dc.date.accessioned2017-02-15T12:39:17Z
dc.date.available2017-02-15T12:39:17Z
dc.date.issued1996
dc.identifier.urihttp://hdl.handle.net/10272/13297
dc.description.abstractThe late Hercynian Santa Coloma granodiorite intruded Paleozoic metasediments of upper Ordovician to Devonian age. Several forms of tungsten-bearing ores are found associated to the Santa Coloma granodiorite in the Central Pyrenees: veins, filled joints and skarns. Fluid inclusion study in quartz crystals from veins suggests that the mineralising fluid was a polysaline brine (22 wt% NaCI eq.) wich was trapped at 360 ±30 °C and 2.5 ±0.3 kbar, even the first mineralizing stage could be formed at higher temperatures (up to 500°C). Preliminary data of 8 MS of sulphides from skarn and vein mineralizations show values near 5 ± 1%o suggesting a sulphur of magmatic originen_US
dc.language.isospaen_US
dc.publisherSociedad Geológica de Españaen_US
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.otherTungstenen_US
dc.subject.otherScheelite,en_US
dc.subject.otherHercynianen_US
dc.subject.otherVeinen_US
dc.subject.otherSkamen_US
dc.subject.otherPyreneesen_US
dc.titleLas mineralizaciones de wolframio asociadas a la granodiorita de Santa Coloma (Andorra)en_US
dc.titleTungsten-bearing ores related to the Santa Coloma granodiorlte (Andorra)eng
dc.typeinfo:eu-repo/semantics/articleen_US
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen_US


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