SHRIMP U-Pb, 207 Pb/ 206 Pb zircon dating, and Nd isotopic signature of the Umburanas greenstone belt, northern São Francisco craton, Brazil
Date
2003
Authors
Bastos Leal, Luiz
Cunha, Jose
Cordani, Umberto
Teixeira, Wilson
Nutman, Allen
Menezes Leal, Angela
Macambira, Moacir
Journal Title
Journal ISSN
Volume Title
Publisher
Pergamon-Elsevier Ltd
Abstract
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
Description
Keywords
Keywords: crustal evolution; geochronology; greenstone belt; neodymium isotope; Precambrian; SHRIMP dating; tectonic evolution; Brazil Archaean-Paleoproterozoic; Nd isotopic signature; Sao Francisco craton
Citation
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Source
Journal of South American Earth Sciences
Type
Journal article