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Disclosing the Paleoarchean to Ediacaran history of the Sao Francisco craton basement: The Porteirinha domain (northern Aracuai orogen, Brazil)

da Silva, Luiz Carlos; Pedrosa-Soares, Antônio Carlos; Armstrong, Richard; Piva Pinto, Claiton; Magalhaes, Joana Tiago Reis; Piacentini Pinheiro, Marco Aurelio; Galliac Santos, Gabriella

Description

This geochronological and isotopic study focuses on one of the Archean-Paleoproterozoic basement domains of the Sao Francisco craton reworked in the Araçuaí orogen, the Porteirinha domain, Brazil. It ~ also includes a thorough compilation of the UePb geochronological data related to the adjacent Archean and Rhyacian terranes from the S~ ao Francisco craton and Araçuaí orogen. The main target of this study is the TTG gneisses of the Porteirinha complex (Sample 1). The gneiss dated at 3371 ± 6...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/103651
Source: Journal of South American Earth Sciences
DOI: 10.1016/j.jsames.2015.12.002

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