Geocronologia Ar-Ar de flogopitas del stock de Aguablanca (Badajoz). Implicaciones sobre la edad del plutón y de la mineralización de Ni-(Cu) asociada.

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Tornos Arroyo, Fernando and Iriondo, Alexander and Casquet, César and Galindo Francisco, Mª del Carmen (2004) Geocronologia Ar-Ar de flogopitas del stock de Aguablanca (Badajoz). Implicaciones sobre la edad del plutón y de la mineralización de Ni-(Cu) asociada. Geotemas, 6 (1). pp. 189-192. ISSN 1576-5172

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Abstract

Ar-Ar dating of intercumulus phlogopite for both a websterite fragment within the mineralized breccia pipe of the Ni-(Cu) Aguablanca magmatic deposit; and the host gabbronorite has yielded ages of 335±2 to 338±3 Ma, i.e., Visean (Mississippian). These values are within error and suggest that the mineralization and the host rock are Variscan in age. Moreover this age is compatible with a previous model which interprets the sulfide mineralization as intrusive (vertical pipe) into the Aguablanca gabbronorites.


Item Type:Article
Uncontrolled Keywords:Ar-Ar dating, Nickel, Copper, Magmatic-hosted mineralization
Subjects:Sciences > Geology > Petrology
ID Code:60663
Deposited On:27 May 2020 07:47
Last Modified:27 May 2020 07:47

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