New insights on regional tectonics and crustal composition of the eastern Sierras Pampeanas in the Andean back arc region, Argentina (31-32ºS)

Jean-Baptiste Ammirati, University of Chile, Santiago, Chile, Agostina Lía Venerdini, CIGEOBIO (CONICET - FCEFN, Universidad Nacional de San Juan), Grupo de Sismotectónica, San Juan, Argentina, Patricia M Alvarado, CIGEOBIO (CONICET, Universidad Nacional de San Juan), Departamento de Geofísica y Astronomía, FCEFN, San Juan, Argentina and Hersh J Gilbert, University of Calgary, Department of Geoscience, Calgary, AB, Canada