The metamorphic rocks of the Nunatak Viedma in the Southern Patagonian Andes: Provenance sources and implications for the early Mesozoic Patagonia-Antarctic Peninsula connection

• Published in: Journal of South American Earth Sciences
• Main Authors: Suárez, Rodrigo Javier, Ghiglione, Matias, Calderón, Mauricio, Sue, Christian, Martinod, Joseph, Guillaume, Benjamin, Rojo, Diego
• Format: Article in Journal/Newspaper
• Language: English
• Published: Pergamon-Elsevier Science Ltd
• Subjects: ANTARCTIC PENINSULA; DETRITAL ZIRCONS AGES; NUNATAK VIEDMA; SOUTHERN PATAGONIAN ANDES; SOUTHWESTERN GONDWANA; VERY-LOW GRADE METAMORPHIC ROCKS; https://purl.org/becyt/ford/1.5; https://purl.org/becyt/ford/1; Antarctic; The Antarctic; Antarctic Peninsula; Patagonia; Argentina; Pablo; Antarc*
• Online Access: http://hdl.handle.net/11336/97535

The Nunatak Viedma within the Southern Patagonian Icefield has been considered as a volcanic center based on its geomorphologic features, despite the fact that field explorations by Eric Shipton determined its metamorphic nature 70 years ago. We carried out fieldwork to characterize this isolated ou...