| Baumgartner, R., Romer, R. L., Moritz, R., Sallet, R., Chiaradia, M. (2006) COLUMBITE-TANTALITE-BEARING GRANITIC PEGMATITES FROM THE SERIDO BELT, NORTHEASTERN BRAZIL: GENETIC CONSTRAINTS FROM U-Pb DATING AND Pb ISOTOPES. The Canadian Mineralogist, 44 (1) 69-86 doi:10.2113/gscanmin.44.1.69 | Journal (article/letter/editorial) | GRANITIC PEGMATITES FROM THE SERIDÓ BELT, NORTHEASTERN BRAZIL: GENETIC CONSTRAINTS FROM U–Pb DATING AND Pb ISOTOPES...SALLET Universidade Federal do Rio Grande do Norte, 59072–920, Natal, Brazil Massimo CHIARADIA Department...located in the Borborema Province, northeastern Brazil, is well known for its pegmatites and granites...extensional event (550–500 Ma). Homogeneous bodies of pegmatite are barren, whereas the heterogeneous ones have...geochemically variable host-rocks. Keywords: granitic pegmatite, columbite–tantalite, U–Pb, Pb isotopes, Brasiliano |
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