 | Gomes, Celso de Barros, Comin-Chiaramonti, Piero, Azzone, Rogério Guitarrari, Ruberti, Excelso, Rojas, Gaston Eduardo Enrich (2018) Cretaceous carbonatites of the southeastern Brazilian Platform: a review. Brazilian Journal of Geology, 48 (2) 317-345 doi:10.1590/2317-4889201820170123 | Journal (article/letter/editorial) | | the southeastern Brazilian Platform: a review Celso de Barros Gomes1*, Piero Comin-Chiaramonti2, Rogério...ABSTRACT: This paper reviews general aspects of alkaline-carbonatitic rocks of Brazilian, Paraguayan and...isotopic compositions similar to those of coeval alkaline silicate rocks, ranging from depleted to enriched...the carbonatitic magma. KEYWORDS: Carbonatites; Alkaline Rocks; Brazilian Platform. INTRODUCTION Only...Namibia, became available. The associated silicate alkaline rocks, on the other hand, have more frequently |  | | Journal (issue) | | Tuperssuatsiaite from the Bortolan quarry, Poços de Caldas, Minas Gerais, Brazil . . . . . . . . . . . . . . . ....mines has revealed over 65 mineral species in a complex polymetallic quartz vein system, including bismutoferrite...his artistic vision and scientific sensibilities. De FOURESTIER, J. (2005) The mineralogy of Star Trek...especially his favorite locality, the mineralogically complex Kipushi mine. He wrote “La collection des . . ...(Katanga)”] for the Association des Géologues Amateurs de Belgique’s Minbul magazine in 1989— a monograph on |  | | Report (issue) | | half-life of 238U. The decays of 235U and 238U are complex, with many intermediate daughter products. These...basins Rift/back arc basins Arc/Marginal Basin Alkaline complexes Rift/back arc basins Intracratonic...(Australia) Pervomayskoye (Ukraine), Lagoa Real (Brazil), Valhalla (Australia) Pribram , Jachymov (Czech...fit into other types, and have origins that are complex (Ruzicka 1982, IAEA 1986, Martin-Izard et al. 2002)...examples of this deposit type are Lagoa Real in Brazil, Zheltye Vody deposit in Ukraine and Valhalla in |
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