Basement evolution of the Sierra de la Ventana Fold Belt: new evidence for Cambrian continental rifting along the southern margin of Gondwana

• Main Authors: Rapela, Carlos W, Pankhurst, Robert J, Fanning, Christopher, Grecco, L
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Geological Society of London 2015
• Subjects: Keywords: basement rock; Cambrian; geochemistry; geochronology; granite; rifting; SHRIMP dating; tectonic evolution; South America Geochronology; Gondwana; Granites; U-Pb SHRIMP; Ellsworth Mountains; Antarc*; Antarctica
• Online Access: http://hdl.handle.net/1885/86057

U-Pb sensitive high-resolution ion microprobe data together with geochemical and Nd isotope analyses obtained in the basement complex of the Sierra de la Ventana Fold Belt indicate that the Early Palaeozoic passive margin history of the basin followed Cambrian magmatism related to rifting in a 600 M...