Latitude: 19°58'10"S
Longitude: 43°28'45"W
A gold mine started, owned by Eldorado Gold Corporation and since 2008 by AngloGold Ashanti. It was started in 1987 and produced about 36 tons of gold until 1999.
Production was ceased in 2007.
Located about 50 km east of Belo Horizonte.
The deposit is hosted in siderite-quartz-chlorite banded iron formation (BIF) which is overlain by a magnetite-rich BIF. Country rocks are low-grade metamorphosed black shales and tuffaceous rocks.
References
- Mining Annual Review (1985): 416.
- Thorman, C.H., DeWitt, E., Maron, M.A.C., and Ladeira, E.A. (2001): Major Brazilian gold deposits - 1982 to 1999. Mineralium Deposita 36, 218-227. DOI 10.1007/s001260100170
- Lobato, L.M., Ribeiro-Rodrigues, L.C., and Reis Vieira, F.W. (2001): Brazil's premier gold province. Part II: Geology and genesis of gold deposits in the Archean Rio das Velhas greenstone belt, Quadrilátero Ferrifero. Mineralium Deposita 36, 249-277. DOI 10.1007/s001260100180
- Márquez, M. et al. (2006): Process mineralogy of bacterial oxidized gold ore in São Bento Mine (Brasil). Hydrometallurgy 83, 114-123.
- Ore Geology Reviews 32 (2007) 571
External Links
-
http://www.eldoradogold.com/s/B_SaoBentoMine.aspMineral List
25 entries listed. 20 valid minerals.
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