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SHRIMP U-Pb, 207 Pb/ 206 Pb zircon dating, and Nd isotopic signature of the Umburanas greenstone belt, northern São Francisco craton, Brazil

Bastos Leal, Luiz; Cunha, Jose; Cordani, Umberto; Teixeira, Wilson; Nutman, Allen; Menezes Leal, Angela; Macambira, Moacir

Description

The Gaviao block in the northern portion of the Sao Francisco craton, northeast Brazil, is one of the oldest Archean fragments of the South American platform. It underwent polycyclic evolution from very old juvenile components dated between 3400 and 3000

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
URI: http://hdl.handle.net/1885/85836
Source: Journal of South American Earth Sciences
DOI: 10.1016/S0895-9811(02)00129-3

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