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K-Ar ages of the La Alberca-Béjar granitoids (Spanish Central System)

dc.contributor.authorYenes Ortega, M.
dc.contributor.authorGutiérrez Alonso, Gabriel
dc.contributor.authorÁlvarez, F.
dc.description.abstractLate-kynematic granitoids of the Central Iberian Zone (Iberian Variscan Massif) outecrop in the La Alberca-Bejar region (Salamanca, Spain). The granitoids postdate the regional second variscan deformation phase. The country rock is composed by sedimentary rocks of proterozoic and paleozoic age metamorphosed under epizonal conditions. Five K-Ar ages of biotite concentrates from these granitoids show the existence of two magmatic pulses at 280^281 Ma and 269-270 Ma.en_US
dc.publisherSociedad Geológica de Españaen_US
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.subject.otherCentral-lberian Zoneen_US
dc.subject.otherSpanish Central Systemen_US
dc.titleDataciones K-Ar de los granitoides del área La Alberca-Béjar (Sistema Central Español)en_US
dc.titleK-Ar ages of the La Alberca-Béjar granitoids (Spanish Central System)eng

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