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EUROPE
Morro do Ferro, Poços de Caldas, Poços de Caldas plateau, Minas Gerais, Southeast Region, Brazil
Thorium deposit, consisting of magnetite stockworks in highly weathered alkaline rocks. The deposit was studied as a natural analogue for nuclear waste disposal. Once the world's largest baddeleyite deposit, but now depleted. Originally known as "Morro Alto e Consulta".
Reférences:
BARETTO, P.M.C. & FUJIMORI, K. (1986) Natural analogue studies: geology and mineralogy of Moro do Ferro, Brazil. Chemical geology, 55, 297-312.
WABER, N. (1991) Mineralogy, petrography and geochemistry of the Poços de Caldas analogue study sites, Minas Gerais, Brasil; Morro de Ferro. Universitats Bern, Mineralogisches - Petrographisches Institut, SKB Technical Report, No. 90-12, 110p.
Wedow, Jr., H.: The Morro do Ferro Thorium and Rare-Earth Ore Deposit, Pocos de Caldas District, Brazil. USGS Bull 1185-D.
