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U-Pb and K-Ar dating of selected minerals from different types of pegmatites in the northern region of the eastern Brazilian pegmatite province (EBPP) are reported. A concordant U-Pb age of 498+/-3 Ma for monazite from a simple, quartz-feldspar pegmatite without gem minerals corresponds to the crystallization age related to the Brasiliano-Pan-African posttectonic magmatic stage. This correlation is...
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