Early Ordovician magmatism in the Sierra de Ancaján, Sierras Pampeanas (Argentina): implications for the early evolution of the proto-Andean margin of Gondwana - Zandomeni, Priscila S.; Verdecchia, Sebastián O.; Baldo, Edgardo G. A.; Galindo, Carmen; Moreno, Juan A.; Dahlquist, Juan; Casquet, César; Cámera, Matías M. Morales; Basei, Miguel Angelo Stipp; Ramacciotti, Carlos D. (Journal of Iberian Geology, 2021)