Rare-Earth Elements (REE) and Mercury in the Historically Important Miguel Burnier Manganese-Ore District, Quadrilátero Ferrífero of Minas Gerais, Brazil
Tiago Henrique DeFerreira , Alexandre Raphael Cabral , Francisco Javier Rios , Lucas Eustáquio Dias Amorim
Journal of Earth Science ›› : 1 -14.
Rare-Earth Elements (REE) and Mercury in the Historically Important Miguel Burnier Manganese-Ore District, Quadrilátero Ferrífero of Minas Gerais, Brazil
The Miguel Burnier manganese (Mn)-ore deposit, located in the Quadrilátero Ferrífero of Minas Gerais, Brazil, has enrichments in the rare-earth elements (REE). Here, this finding is reported. Three types of REE enrichments have been identified in: (1) Cenozoic wad-like diamictite; (2) hydrothermally altered manganiferous mudstone of Cenozoic age; (3) lithiophorite-rich veinlets and pockets within Precambrian itabirite. In the latter, churchite-(Y) [Y(PO4)·2H2O] and rhabdophane-(La) [La(PO4)·H2O] are the main REE-bearing minerals. Other metals, in particular mercury (Hg), are also enriched, indicating that metalliferous overprint took place during the Cenozoic in a tectonically stable, cratonic terrane.
hydrothermal overprint / rare-earth elements / Cenozoic / São Francisco craton / Quadrilátero Ferrífero / Minas Gerais / Brazil
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China University of Geosciences (Wuhan) and Springer-Verlag GmbH Germany, Part of Springer Nature
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