Resumen de El plutón granítico alcalino de la Sierra de los Cobres, Prov. de Salta, Argentina.

Alejandro José Toselli, J. Rossi de Toselli

• The petrographic characters and chemical data of a complex epizonal granite-alkaline syenite pluton are studied.

  It oucrops east of Los Cobres, Salta province, and intrudes Ordovician sediments of the Chiquero Formation, with occurrence of hornfels due to contact metamorphism.