Geochemistry and petrology of the jequie
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G. P. Sighinolfi; M. C. H. Figueredo; W. S. Fyfe; B. I. Kronberg; M. A. F. Tanne
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Article
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1982
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Springer
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English
β 733 KB
The Jequie granulitic complex is part of the extensive high-grade metamorphic terrain located within the Sao Francisco craton of northeastern Brazil. Some Jequie rocks appear to have been formed in the middle Archean (~3.1 Ga) from preexisting sialic crust\_ The dominant mineral composition of these