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Metasomatic albitites and quartz veins in the leucogranites from Burguillos del Cerro (Spain). A model for hydrothermal evolution based on fluid inclusions

dc.contributor.authorBachiller, N.
dc.contributor.authorQuílez, E.
dc.contributor.authorCasquet Martín, César
dc.contributor.authorGalindo, Carmen
dc.date.accessioned2016-11-30T10:33:06Z
dc.date.available2016-11-30T10:33:06Z
dc.date.issued1996
dc.identifier.urihttp://hdl.handle.net/10272/12930
dc.description.abstractSlightly peraluminous to metaluminous leucogranites are common as dyke swarms in the Burguillos del Cerro Plutonic Complex. They show superimposed hydrothermal alterations consisting of quartzrich albitites and Au-bearing quartz veins. Several types of fluid Inclusions have been distinguished in the alteration. They belong to the system H20-NaCI-KCI-MgCI2-CaCI2 and range from high salinity to low salinity types. In any type, a trend of decreasing salinity concomitant to a decrease of minimum P and T trapping conditions is found. An evolutive model is proposed consisting in the repetitive mixing of hot saline waters, initially of probable magmatic derivation, with a cold low salinity meteoric fluid, in several discrete episodes of hydrofractunng, under declining regional temperature conditions. Albitites and quartz veins seem to be temporally and genetically relateden_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.otherLeucogranitesen_US
dc.subject.otherAlbititesen_US
dc.subject.otherQuartz veinsen_US
dc.subject.otherFluid inclusionsen_US
dc.subject.otherExtremaduraen_US
dc.titleAlbititas metasomáticas y venas de cuarzo en los leucogranitos de Burguillos del Cerro (España). Modelo de evolución hidrotermal basado en el estudio de inclusiones fluidasen_US
dc.titleMetasomatic albitites and quartz veins in the leucogranites from Burguillos del Cerro (Spain). A model for hydrothermal evolution based on fluid inclusionseng
dc.typeinfo:eu-repo/semantics/articleen_US
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen_US


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