Geochemistry of the Guaxupe Granulites, Minas Gerais, Brazil
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Undergraduate course
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Int Associação Gondwana Research
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Article
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Acesso restrito
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Abstract
Geochemical data for granulite terrain are presented from the northernmost portion of the Guaxupe Massif, at Mantiqueira Province, SE Brazil. Several types of granulites are recognized in the area: basic, intermediate and acid granulite. Major and trace elements (including REE) point to only one ma,oma source for these granulites generated at different times. Geochemical data point to plagioclase and apatite fractionation as responsable in the REE behaviour in intermediate and more basic rocks. Overall composition of the Guaxupe Granulites is similar to average composition of the lower crust.
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Keywords
granulites, REE, lower crust, Guaxupe Massif, Brazil
Language
English
Citation
Gondwana Research. Osaka: Int Associação Gondwana Research, v. 1, n. 3-4, p. 357-365, 1998.
