Bahia
Producer

Fazenda Brasileiro

Bahia, Brazil
Gold
⌖ Show on mapUSGS source ↗
Description

Rio Doce Geologia E Mineracao S.A. (Docegeo)

Commodities
PrimaryGold
Commodity typeM
Deposit
Model273: Low-sulfide Au-quartz vein
Deposit sizeL
Materials
Ore mineralsChalcopyrite, Galena, Gold, Pyrite, Pyrrhotite, Sphalerite
GangueAlbite, Goethite, Gypsum, Hematite, Jarosite, Melanterite, Quartz
Geology
Host rockSchist · Canto Sequence;Canto Sequence;Fazenda Brasileiro Sequence;Fazenda Brasileiro Sequence;Riacho Do Inco Sequence
Associated rockDiorite,Siltstone,Granite · Fazenda Brasileiro Unit;Fazenda Brasileiro;Riacho Do Ingo Unit;Fazenda Cantount;Santa Luz
Tectonic settingRio Itapicuru Greenstone Belt In Sao Francisco Craton.
AlterationDecrease In Chlorite Content And Increase In Albite, Carbonates, And Sulfides
Economic & production
Development statusProducer
First production1984
Discovery year1976
Identification
Deposit ID10106956
MRDS IDTC00087
RegionSA
Data scoreB
Coordinates-11.4603, -39.0778
References
SKILLINGS, D.N., JR., 1988, CVRD EXPANDING ANNUAL PRODUCTION OF FAZENDA BRASILEIRO GOLD MINE IN BAHIA TO 6 METRIC TONS: SKILLINGS' MINING REVIEW, AUGUST 20, 1988, P. 4-7.TEIXEIRA, J.B.G., KISHIDA, A., MARIMON, M.P.C., XAVIER, R.P., AND MCTEATH, I., 1990, THE FAZENDA BRASILEIRO GOLD DEPOSIT, BAHIA, GEOLOGY, HYDROTHERMAL ALTERATION, AND FLUID INCLUSIONS: ECONOMIC GEOLOGY, V. 85, NO. 5, P. 990-1009.REINHARDT, M.C., AND DAVISON, I., 1990, STRUCTURAL AND LITHOLOGIC CONTROLS ON GOLD DEPOSITION IN THE SHEAR-ZONE-HOSTED FAZENDA BRASILEIRO MINE, BAHIA STATE, NORTHEAST BRASIL: ECONOMIC GEOLOGY, V. 85, NO. 5, P. 952-967.DE MIRANDA SANTOS, O., VICTORASSO, E.C.L., DA SILVA, R.M., GUERRA, H.R.M., CHAVES, J.L., MANTOVANI, T.J., E SILVA, R.A., KALIL, A.R., JR., SANTOS, V.A.M., NAVARRO, L.A.G., AND PENA, L.S.T., 1988, MINA OURO DE FAZENDA BRASILEIRO, BAHIA, IN PRINCIPAIS DEPOSITOS MINERAIS DO BRASIL, EDS., C. SCHOBBENHAUS AND C.E.S. COELHO: MINISTERIO DAS MINAS E ENERGIA, BRASILIA, V. III, P. 431-TEIXEIRA, J.B.G. AND OTHERS (1990); DE MIRANDA SANTOS AND OTHERS (1988).SKILLINGS, 1988, P. 6-7.