Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/98236
Type: Artigo de periódico
Title: Geochemical Studies In The Proterozoic Metamorphic Terrane Of The Guaxupé Massif, Minas Gerais, Brazil. A Discussion On Large Ion Lithophile Element Fractionation During High-grade Metamorphism
Author: Fernandes J.F.
Iyer S.S.
Imakuma K.
Choudhuri A.
Abstract: The trace element composition of high-grade metamorphic rocks in the Guaxupé Massif is investigated. The large ion lithophile element composition is compared in both the granulite facies rocks and the associated amphibolite facies gneisses. The K, Rb, Th contents in the granulite facies rocks from other parts of Brazil show that the depletion of these elements is variable. The covariance of KRb ratios with K suggest the importance of mineralogical control, protolith composition, nature of fluid etc. The distribution of U and Th appears to indicate the protolith composition of the rock types. © 1987.
Editor: 
Rights: fechado
Identifier DOI: 10.1016/0301-9268(87)90017-9
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0023523334&partnerID=40&md5=f4870f655f1e8a9693b831f14a502b27
Date Issue: 1987
Appears in Collections:Unicamp - Artigos e Outros Documentos

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