Paleoproterozoic metamorphism of the Mineiro belt: petrographic considerations from the Brumado and Rio Grande Diorites
The Brumado and Rio Grande diorites are located in the southernmost portion of São Francisco craton and are composed mainly of hornblende and calcic plagioclase. The rocks of these bodies are represented by diorites, quartz-diorites, and tonalites. Brumado diorite was subdivided into four facies (c...
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Arquivos do Museu Nacional
2021
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| Online toegang: | https://revistas.ufrj.br/index.php/amn/article/view/47881 |
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