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São Bento mine, Santa Bárbara, Iron Quadrangle, Minas Gerais, Southeast Region, Brazil

A gold mine started, owned by Eldorado Gold Corporation. It was started in 1987 and produced about 36 tons of gold until 1999. 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
- Ore Geology Reviews 32 (2007) 571





Map Reference: 19°58'10"S , 43°28'45"W

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Mineral List:
Albite
'Albite-Anorthite Series'
Ankerite
Arsenopyrite
Bornite
Chalcopyrite
'Chlorite Group'
Covellite
Galena
Gold
Ilmenite
Magnetite
Muscovite
Pyrite
var: Arsenian Pyrite
Pyrrhotite
Quartz
var: Chert
Rutile
Scheelite
Siderite
Sphalerite
Stilpnomelane
Titanite


24 entries listed. 20 valid minerals.

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