Charnockites and UHT metamorphism in the Bakhuis Granulite Belt,western Suriname: Evidence for two separate UHT events

M. Klaver, E.W.F. de Roever, J.A.M. Nanne, P.R.D. Mason, G.R. Davies

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

The Bakhuis Granulite Belt in western Suriname is an ultrahigh-temperature (UHT) metamorphic terrain in the centre of the Paleoproterozoic (Transamazonian) Guiana Shield. Next to the UHT granulites, the belt contains a 30 by 30km body of orthopyroxene-bearing granitoids: the Kabalebo charnockites. This setting offers an excellent opportunity to investigate the source and origin of charnockite magmatism and the common association of charnockites with (ultra)high-temperature metamorphic terrains. We present a detailed geochemical dataset and LA-ICPMS zircon U/Pb ages with the aim to investigate the geochemical and geochronological relationship between charnockite magmatism and UHT metamorphism in the Bakhuis Granulite Belt. The Kabalebo charnockites have a characteristic trace element signature with elevated K
Original languageEnglish
JournalPrecambrian Research
DOIs
Publication statusPublished - 2015

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