Geocronologia Ar-Ar de flogopitas del "stock" de Aguablanca (Badajoz): implicaciones sobre la edad del plutón y de la mineralización de Ni-(Cu) asociada
2004
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.
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