Mid- to Late Cambrian docking of the Río de la Plata craton to southwestern Gondwana: Age constraints from U-Pb SHRIMP detrital zircon ages from Sierras de Ambato and Velasco (Sierras Pampeanas, Argentina)
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Verdecchia, Sebastian O.; Casquet, Cesar; Baldo, Edgardo; Pankhurst, Robert J; Rapela, Carlos W; Fanning, Christopher; Galindo, Carmen
Description
The Early Palaeozoic stratigraphy and tectonic history of the Eastern Sierras Pampeanas of central Argentina are complicated by metamorphism and deformation resulting from the Pampean (545-510 Ma) and Famatinian (490-440 Ma) orogenies. We report U-Pb sensitive high-resolution ion microprobe dating of detrital zircons in two metasedimentary successions exposed at Quebrada de La Cébila (c. 28°45'S, 66°25'W): the Ambato and the La Cébila metamorphic complexes. The Ambato zircons record age peaks...[Show more]
Collections | ANU Research Publications |
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Date published: | 2011 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/70060 |
Source: | Journal of the Geological Society |
DOI: | 10.1144/0016-76492010-143 |
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01_Verdecchia_Mid-_to_Late_Cambrian_docking_2011.pdf | 652.95 kB | Adobe PDF | Request a copy |
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