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São Bento mine, Santa Bárbara, Minas Gerais, Brazili
Regional Level Types
São Bento mineMine
Santa BárbaraMunicipality
Minas GeraisState
BrazilCountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
19° 58' 10'' South , 43° 28' 45'' West
Latitude & Longitude (decimal):
-19.96944,-43.47917
GeoHash:
G#: 7h3n6semt
GRN:
S14W29
Type:
Mine
Köppen climate type:
Cwa : Monsoon-influenced humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Barão de Cocais22,387 (2012)2.8km
Caeté33,231 (2012)22.3km
Rio Piracicaba10,439 (2012)32.2km
Raposos13,262 (2012)34.0km
João Monlevade72,762 (2012)36.5km
Mindat Locality ID:
21586
Long-form identifier:
mindat:1:2:21586:3
GUID (UUID V4):
a452e638-60ab-46d9-bae3-2c26bf275c0a


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.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


20 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Covellite
Formula: CuS
ⓘ Galena
Formula: PbS
ⓘ Gold
Formula: Au
ⓘ Gold var. Electrum
Formula: (Au,Ag)
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrite var. Arsenic-bearing Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Siderite
Formula: FeCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ Stilpnomelane
Formula: (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
ⓘ Titanite
Formula: CaTi(SiO4)O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold1.AA.05Au
ⓘvar. Electrum1.AA.05(Au,Ag)
Group 2 - Sulphides and Sulfosalts
ⓘArsenopyrite2.EB.20FeAsS
ⓘBornite2.BA.15Cu5FeS4
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘCovellite2.CA.05aCuS
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘvar. Arsenic-bearing Pyrite2.EB.05aFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘSphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
ⓘSiderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘScheelite7.GA.05Ca(WO4)
Group 9 - Silicates
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘStilpnomelane9.EG.40(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
ⓘTitanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
ⓘ'Chlorite Group'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
Hⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ SideriteFeCO3
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
OOxygen
Oⓘ SideriteFeCO3
Oⓘ QuartzSiO2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ RutileTiO2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ ScheeliteCa(WO4)
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ IlmeniteFe2+TiO3
Oⓘ AlbiteNa(AlSi3O8)
NaSodium
Naⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Naⓘ AlbiteNa(AlSi3O8)
MgMagnesium
Mgⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
AlAluminium
Alⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ AlbiteNa(AlSi3O8)
SiSilicon
Siⓘ QuartzSiO2
Siⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ AlbiteNa(AlSi3O8)
SSulfur
Sⓘ PyrrhotiteFe1-xS
Sⓘ ArsenopyriteFeAsS
Sⓘ PyriteFeS2
Sⓘ Pyrite var. Arsenic-bearing PyriteFeS2
Sⓘ ChalcopyriteCuFeS2
Sⓘ SphaleriteZnS
Sⓘ GalenaPbS
Sⓘ CovelliteCuS
Sⓘ BorniteCu5FeS4
KPotassium
Kⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ScheeliteCa(WO4)
Caⓘ TitaniteCaTi(SiO4)O
TiTitanium
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTi(SiO4)O
Tiⓘ IlmeniteFe2+TiO3
FeIron
Feⓘ SideriteFeCO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyrrhotiteFe1-xS
Feⓘ ArsenopyriteFeAsS
Feⓘ PyriteFeS2
Feⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ Pyrite var. Arsenic-bearing PyriteFeS2
Feⓘ ChalcopyriteCuFeS2
Feⓘ BorniteCu5FeS4
Feⓘ IlmeniteFe2+TiO3
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CovelliteCuS
Cuⓘ BorniteCu5FeS4
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
AgSilver
Agⓘ Gold var. Electrum(Au,Ag)
WTungsten
Wⓘ ScheeliteCa(WO4)
AuGold
Auⓘ GoldAu
Auⓘ Gold var. Electrum(Au,Ag)
PbLead
Pbⓘ GalenaPbS

Other Regions, Features and Areas containing this locality

Brazil
South AmericaContinent
South America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

www.eldoradogold.com (n.d.) http://www.eldoradogold.com/s/B_SaoBentoMine.asp
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
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