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Buraco do Ouro mine, Cavalcante, Goiás, Brazili
| Regional Level Types | |
|---|---|
| Buraco do Ouro mine | Mine |
| Cavalcante | Municipality |
| Goiás | State |
| Brazil | Country |
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Latitude & Longitude (WGS84):
13° 47' 44'' South , 47° 27' 34'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Cavalcante | 3,747 (2012) | 0.2km |
A gold mine that has been producing gold since 1750. Improved underground operations in the 1970s allowed PGM mineralization to become commercially attractive.
The coordinates are from Botelho et al. (2006) but are for the center of town.
The coordinates are from Botelho et al. (2006) but are for the center of town.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
48 valid minerals. 1 (TL) - type locality of valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold var. Electrum | 1.AA.05 | (Au,Ag) |
| ⓘ | 1.AA.05 | Au | |
| ⓘ | Native Platinum | 1.AF.10 | Pt |
| ⓘ | Graphite | 1.CB.05a | C |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Mertieite | 2.AC.10b | Pd8Sb2.5As0.5 |
| ⓘ | Isomertieite | 2.AC.15a | Pd11Sb2As2 |
| ⓘ | Stibiopalladinite | 2.AC.20a | Pd5Sb2 |
| ⓘ | Selenojalpaite | 2.BA.45 | Ag3CuSe2 |
| ⓘ | Eucairite | 2.BA.50 | AgCuSe |
| ⓘ | Covellite | 2.CA.05a | CuS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Clausthalite | 2.CD.10 | PbSe |
| ⓘ | Bismuthinite | 2.DB.05 | Bi2S3 |
| ⓘ | Guanajuatite | 2.DB.05 | Bi2Se3 |
| ⓘ | Paraguanajuatite | 2.DC.05 | Bi2Se3 |
| ⓘ | Kruťaite | 2.EB.05a | CuSe2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Sperrylite | 2.EB.05a | PtAs2 |
| ⓘ | Ferroselite | 2.EB.10a | FeSe2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| ⓘ | Padmaite | 2.EB.25 | PdBiSe |
| ⓘ | Kalungaite (TL) | 2.EB.25 | PdAsSe |
| ⓘ | Bohdanowiczite | 2.JA.20 | AgBiSe2 |
| Group 3 - Halides | |||
| ⓘ | Iodargyrite | 3.AA.10 | AgI |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Bismite | 4.CB.60 | Bi2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Coronadite | 4.DK.05a | Pb(Mn4+6Mn3+2)O16 |
| ⓘ | Cryptomelane | 4.DK.05a | K(Mn4+7Mn3+)O16 |
| ⓘ | Hollandite | 4.DK.05a | Ba(Mn4+6Mn3+2)O16 |
| ⓘ | Uraninite | 4.DL.05 | UO2 |
| ⓘ | Goethite | 4.FD.10 | Fe3+O(OH) |
| ⓘ | Lithiophorite | 4.FE.25 | (Al,Li)MnO2(OH)2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Bismutite | 5.BE.25 | (BiO)2CO3 |
| ⓘ | Beyerite | 5.BE.35 | Ca(BiO)2(CO3)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
| ⓘ | Brochantite | 7.BB.25 | Cu4(SO4)(OH)6 |
| ⓘ | Alunite | 7.BC.10 | KAl3(SO4)2(OH)6 |
| ⓘ | Jarosite | 7.BC.10 | KFe3+3(SO4)2(OH)6 |
| ⓘ | Cannonite | 7.BD.35 | Bi2(SO4)O(OH)2 |
| ⓘ | Melanterite | 7.CB.35 | Fe2+(H2O)6(SO4) · H2O |
| ⓘ | Amarillite | 7.CC.75 | NaFe(SO4)2 · 6H2O |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Waylandite | 8.BL.13 | BiAl3(PO4)2(OH)6 |
| ⓘ | Vauxite | 8.DC.35 | Fe2+Al2(PO4)2(OH)2 · 6H2O |
| Group 9 - Silicates | |||
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ | Muscovite var. Illite | 9.EC.15 | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| ⓘ | 9.EC.15 | KAl2(AlSi3O10)(OH)2 | |
| ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
| Unclassified | |||
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ | 'Tourmaline' | - | AD3G6(T6O18)(BO3)3X3Z |
| ⓘ | 'Coronadite Group' | - | |
| ⓘ | 'Unnamed (Pb-Bi Selenide)' | - | Pb-Bi-Se |
| ⓘ | 'Phyllosilicate' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| H | ⓘ Amarillite | NaFe(SO4)2 · 6H2O |
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Brochantite | Cu4(SO4)(OH)6 |
| H | ⓘ Cannonite | Bi2(SO4)O(OH)2 |
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | ⓘ Goethite | Fe3+O(OH) |
| H | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| H | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| H | ⓘ Lithiophorite | (Al,Li)MnO2(OH)2 |
| H | ⓘ Melanterite | Fe2+(H2O)6(SO4) · H2O |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Vauxite | Fe2+Al2(PO4)2(OH)2 · 6H2O |
| H | ⓘ Waylandite | BiAl3(PO4)2(OH)6 |
| Li | Lithium | |
| Li | ⓘ Lithiophorite | (Al,Li)MnO2(OH)2 |
| B | Boron | |
| B | ⓘ Tourmaline | AD3G6(T6O18)(BO3)3X3Z |
| C | Carbon | |
| C | ⓘ Beyerite | Ca(BiO)2(CO3)2 |
| C | ⓘ Bismutite | (BiO)2CO3 |
| C | ⓘ Graphite | C |
| O | Oxygen | |
| O | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| O | ⓘ Amarillite | NaFe(SO4)2 · 6H2O |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Beyerite | Ca(BiO)2(CO3)2 |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Bismite | Bi2O3 |
| O | ⓘ Bismutite | (BiO)2CO3 |
| O | ⓘ Brochantite | Cu4(SO4)(OH)6 |
| O | ⓘ Cannonite | Bi2(SO4)O(OH)2 |
| O | ⓘ Coronadite | Pb(Mn64+Mn23+)O16 |
| O | ⓘ Cryptomelane | K(Mn74+Mn3+)O16 |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Hollandite | Ba(Mn64+Mn23+)O16 |
| O | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| O | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| O | ⓘ Lithiophorite | (Al,Li)MnO2(OH)2 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Melanterite | Fe2+(H2O)6(SO4) · H2O |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Tourmaline | AD3G6(T6O18)(BO3)3X3Z |
| O | ⓘ Uraninite | UO2 |
| O | ⓘ Vauxite | Fe2+Al2(PO4)2(OH)2 · 6H2O |
| O | ⓘ Waylandite | BiAl3(PO4)2(OH)6 |
| F | Fluorine | |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Na | Sodium | |
| Na | ⓘ Amarillite | NaFe(SO4)2 · 6H2O |
| Mg | Magnesium | |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | Aluminium | |
| Al | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Al | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Al | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Al | ⓘ Lithiophorite | (Al,Li)MnO2(OH)2 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Vauxite | Fe2+Al2(PO4)2(OH)2 · 6H2O |
| Al | ⓘ Waylandite | BiAl3(PO4)2(OH)6 |
| Si | Silicon | |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Si | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| P | Phosphorus | |
| P | ⓘ Vauxite | Fe2+Al2(PO4)2(OH)2 · 6H2O |
| P | ⓘ Waylandite | BiAl3(PO4)2(OH)6 |
| S | Sulfur | |
| S | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| S | ⓘ Amarillite | NaFe(SO4)2 · 6H2O |
| S | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Baryte | BaSO4 |
| S | ⓘ Bismuthinite | Bi2S3 |
| S | ⓘ Brochantite | Cu4(SO4)(OH)6 |
| S | ⓘ Cannonite | Bi2(SO4)O(OH)2 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Covellite | CuS |
| S | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| S | ⓘ Melanterite | Fe2+(H2O)6(SO4) · H2O |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| K | Potassium | |
| K | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Cryptomelane | K(Mn74+Mn3+)O16 |
| K | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| K | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Beyerite | Ca(BiO)2(CO3)2 |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ti | Titanium | |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Mn | Manganese | |
| Mn | ⓘ Coronadite | Pb(Mn64+Mn23+)O16 |
| Mn | ⓘ Cryptomelane | K(Mn74+Mn3+)O16 |
| Mn | ⓘ Hollandite | Ba(Mn64+Mn23+)O16 |
| Mn | ⓘ Lithiophorite | (Al,Li)MnO2(OH)2 |
| Fe | Iron | |
| Fe | ⓘ Amarillite | NaFe(SO4)2 · 6H2O |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Ferroselite | FeSe2 |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Melanterite | Fe2+(H2O)6(SO4) · H2O |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Fe | ⓘ Vauxite | Fe2+Al2(PO4)2(OH)2 · 6H2O |
| Cu | Copper | |
| Cu | ⓘ Brochantite | Cu4(SO4)(OH)6 |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Covellite | CuS |
| Cu | ⓘ Eucairite | AgCuSe |
| Cu | ⓘ Kruťaite | CuSe2 |
| Cu | ⓘ Selenojalpaite | Ag3CuSe2 |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
| As | ⓘ Isomertieite | Pd11Sb2As2 |
| As | ⓘ Mertieite | Pd8Sb2.5As0.5 |
| As | ⓘ Sperrylite | PtAs2 |
| As | ⓘ Kalungaite | PdAsSe |
| Se | Selenium | |
| Se | ⓘ Bohdanowiczite | AgBiSe2 |
| Se | ⓘ Clausthalite | PbSe |
| Se | ⓘ Eucairite | AgCuSe |
| Se | ⓘ Ferroselite | FeSe2 |
| Se | ⓘ Guanajuatite | Bi2Se3 |
| Se | ⓘ Kruťaite | CuSe2 |
| Se | ⓘ Padmaite | PdBiSe |
| Se | ⓘ Paraguanajuatite | Bi2Se3 |
| Se | ⓘ Kalungaite | PdAsSe |
| Se | ⓘ Selenojalpaite | Ag3CuSe2 |
| Se | ⓘ Unnamed (Pb-Bi Selenide) | Pb-Bi-Se |
| Pd | Palladium | |
| Pd | ⓘ Isomertieite | Pd11Sb2As2 |
| Pd | ⓘ Mertieite | Pd8Sb2.5As0.5 |
| Pd | ⓘ Padmaite | PdBiSe |
| Pd | ⓘ Stibiopalladinite | Pd5Sb2 |
| Pd | ⓘ Kalungaite | PdAsSe |
| Ag | Silver | |
| Ag | ⓘ Bohdanowiczite | AgBiSe2 |
| Ag | ⓘ Native Gold var. Electrum | (Au,Ag) |
| Ag | ⓘ Eucairite | AgCuSe |
| Ag | ⓘ Iodargyrite | AgI |
| Ag | ⓘ Selenojalpaite | Ag3CuSe2 |
| Sb | Antimony | |
| Sb | ⓘ Isomertieite | Pd11Sb2As2 |
| Sb | ⓘ Mertieite | Pd8Sb2.5As0.5 |
| Sb | ⓘ Stibiopalladinite | Pd5Sb2 |
| I | Iodine | |
| I | ⓘ Iodargyrite | AgI |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
| Ba | ⓘ Hollandite | Ba(Mn64+Mn23+)O16 |
| Pt | Platinum | |
| Pt | ⓘ Native Platinum | Pt |
| Pt | ⓘ Sperrylite | PtAs2 |
| Au | Gold | |
| Au | ⓘ Native Gold var. Electrum | (Au,Ag) |
| Au | ⓘ Native Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Clausthalite | PbSe |
| Pb | ⓘ Coronadite | Pb(Mn64+Mn23+)O16 |
| Pb | ⓘ Unnamed (Pb-Bi Selenide) | Pb-Bi-Se |
| Bi | Bismuth | |
| Bi | ⓘ Beyerite | Ca(BiO)2(CO3)2 |
| Bi | ⓘ Bismite | Bi2O3 |
| Bi | ⓘ Bismuthinite | Bi2S3 |
| Bi | ⓘ Bismutite | (BiO)2CO3 |
| Bi | ⓘ Bohdanowiczite | AgBiSe2 |
| Bi | ⓘ Cannonite | Bi2(SO4)O(OH)2 |
| Bi | ⓘ Guanajuatite | Bi2Se3 |
| Bi | ⓘ Padmaite | PdBiSe |
| Bi | ⓘ Paraguanajuatite | Bi2Se3 |
| Bi | ⓘ Waylandite | BiAl3(PO4)2(OH)6 |
| Bi | ⓘ Unnamed (Pb-Bi Selenide) | Pb-Bi-Se |
| U | Uranium | |
| U | ⓘ Uraninite | UO2 |
Other Regions, Features and Areas containing this locality
South AmericaContinent
South America PlateTectonic Plate
- Brazilian ShieldShield
- Tocantins ProvinceOrogenic Belt
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References
Botelho, N. F., Moura, M. A., Peterson, R. C., Stanley, C. J., Silva, D. V. G. (2006) Kalungaite, PdAsSe, a new platinum-group mineral from the Buraco do Ouro gold mine, Cavalcante, Goiás State, Brazil. Mineralogical Magazine, 70 (1) 123-130 doi:10.1180/0026461067010318
Menez, J., Botelho, N. F. (2017) Ore characterization and textural relationships among gold, selenides, platinum-group minerals and uraninite at the granite-related Buraco do Ouro gold mine, Cavalcante, Central Brazil. Mineralogical Magazine, 81 (3) 463-475 doi:10.1180/minmag.2016.080.101
Pires, G.L.C., Renac, C., Bongiolo, E.M., Neumann, R. (2020) Gossan mineralogy, textures, and gold enrichment over the Au (As, Bi, Ag) deposit in the Buracão Area (Brasília Fold Belt, Brazil): Implications for gold prospecting in weathering profiles. Journal of Geochemical Exploration, 218. 106615pp. doi:10.1016/j.gexplo.2020.106615







Buraco do Ouro mine, Cavalcante, Goiás, Brazil