O'Toole deposit, Fortaleza de Minas, Minas Gerais, Brazil
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|Location is approximate, estimate based on other nearby localities.|
|Latitude & Longitude (WGS84):||20° South , 46° West (est.)|
|Margin of Error:||~11km|
|Köppen climate type:||Cwa : Monsoon-influenced humid subtropical climate|
Ni mine in operation, 6 km SW of Fortaleza de Minas.
This Ni-Cu-PGE sulfide deposit is hosted by Archean komatiitic rocks of the Morro do Ferro greenstone belt.
33 valid minerals.
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Taufen, P. M., & Marchetto, C. M. (1989): Tropical weathering control of Ni, Cu, Co, and platinum group element distributions at the O'Toole Ni-Cu sulphide deposit, Minas Gerais, Brazil. Journal of Geochemical Exploration, 32(1-3), 185-197.
Brenner, T. L.; Teixeira, N. A.; Oliveira, J. A. L.; Franke, N. D.; Thompson, J. F. H. (1990): The O'Toole nickel deposit, Morro do Ferro greenstone belt, Brazil. Economic Geology 85, 904-920.