Petrología, Geoquímica y Geología estructural de la Sierra de Copacabana (provincia de Catamarca, República Argentina) y su significado geotectónico en el contexto del margen occidental del Gondwana

Abstract

Copacabana Range is an orographic unit of the Sistema de Famatina at the W of Sierras. Both the pampean metamorphic basament and the granitoids emplaced in a continental margin during the Famatinian Cycle were affected during the upper Ordovicic-Siluric by a deformative regime that could has produced typical rocks deformed by dynamic metamorphism (cataclasites, protomylonites, ortomylonites and ultramylonites).
The structural study allowed us to interpret that the deformative regime could has occasioned a compressive tectonic toward the west, associated with a continental collision during the Ocloyic orogenic.