Mafic dykes intrusive into Pre-Cambrian rocks of the São Luís cratonic fragment and Gurupi Belt (Parnaíba Province), north-northeastern Brazil: Geochemistry, Sr-Nd-Pb-O isotopes, 40Ar/39Ar geochronology, and relationships to CAMP magmatism

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Mafic dykes intrusive into Pre-Cambrian rocks of the São Luís cratonic fragment and Gurupi Belt (Parnaíba Province), north-northeastern Brazil: Geochemistry, Sr-Nd-Pb-O isotopes, 40Ar/39Ar geochronology, and relationships to CAMP magmatism

Dykes of diabase and microgabbro intruded into Pre-Cambrian rocks of the São Luís cratonic fragment and Gurupi Belt, which are tectonic and erosive windows of the Parnaíba Basin in north–northeastern Brazil. Ar–Ar ages were determined, and major, trace element, and Nd–Sr–Pb–O isotopic compositions o...

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Bibliographic Details
Main Authors:	Klein, E.L., Angélica, R.S., Jourdan, Fred, Babinski, M., Harris, C.
Format:	Journal Article
Published:	Elsevier BV 2013
Subjects:	Isotope geology Asthenospheric mantle CAMP Geochemistry 40Ar/39Ar geochronology
Online Access:	http://hdl.handle.net/20.500.11937/16934

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