Rapela, Carlos W; Hervé, Francisco; Pankhurst, Robert J; Calderón, Mauricio; Fanning, Christopher Mark; Quezada, Paulo; Poblete, Fernando; Palape, Camilo; Reyes, Tomas
The Andean basement of NW Patagonia contains remnants of a Devonian accretionary orogen that lasted for about 50 Ma. We present and review U-Pb geochronology, major and trace element geochemistry and O- and Hf-isotope analyses of zircon for Devonian igneous and metasedimentary rocks from the western edge of the North Patagonian Massif to the Pacific coast. Two contrasting magmatic domains are characterised. The Foreland Devonian Domain (FDD) of the North Patagonian Massif is dominated by...[Show more]
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