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Gongo Soco mine, Barão de Cocais, Minas Gerais, Brazili
Regional Level Types
Gongo Soco mineMine
Barão de Cocais- not defined -
Minas Gerais- not defined -
BrazilCountry

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Latitude & Longitude (WGS84):
19° 58' South , 43° 36' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Barão de Cocais22,387 (2012)12.0km
Caeté33,231 (2012)12.1km
Raposos13,262 (2012)21.3km
Nova Lima88,399 (2012)25.9km
Santa Luzia243,503 (2012)34.2km


A gold mine, started in the 19th century.
Close to the border of Barão de Cocais and Santa Bárbara municipalities.

Regions containing this locality

South America PlateTectonic Plate
South AmericaContinent
Iron Quadrangle, Minas Gerais, BrazilQuadrangle

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


15 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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:

Calcite
Formula: CaCO3
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370
Chrisstanleyite
Formula: Ag2Pd3Se4
Reference: Cabral, A. R. (2006). Palladiferous gold mineralisation (ouro preto) in Brazil: Gongo Soco, Itabira and Serra Pelada. Sonderhefte Reihe D - Geol. Jahrb., Heft 8
Goethite
Formula: α-Fe3+O(OH)
Reference: Applied Earth Science : IMM Transactions section B, Volume 112, Number 3, December 2003 , pp. 279-286(8); Cabral, A. R. (2006). Palladiferous gold mineralisation (ouro preto) in Brazil: Gongo Soco, Itabira and Serra Pelada. Sonderhefte Reihe D - Geol. Jahrb., Heft 8
Gold
Formula: Au
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370; MinMag 65:169-179
Gold var: Palladian Gold
Formula: (Au,Pd)
Reference: App.EarthSci 111:74 -- 80.; Varajão, C. A. C., Colin, F., Vieillard, P., Melfi, A. J., & Nahon, D. (2000). Early weathering of palladium gold under lateritic conditions, Maquiné Mine, Minas Gerais, Brazil. Applied Geochemistry, 15(2), 245-263.; Cabral, A. R. (2006). Palladiferous gold mineralisation (ouro preto) in Brazil: Gongo Soco, Itabira and Serra Pelada. Sonderhefte Reihe D - Geol. Jahrb., Heft 8
Gypsum
Formula: CaSO4 · 2H2O
Reference: Canadian Mineralogist 41:473-478
Hematite
Formula: Fe2O3
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370; Canadian Mineralogist 41:473-478; Applied Earth Science : IMM Transactions section B, Volume 112, Number 3, December 2003 , pp. 279-286(8); Cabral, A. R. (2006). Palladiferous gold mineralisation (ouro preto) in Brazil: Gongo Soco, Itabira and Serra Pelada. Sonderhefte Reihe D - Geol. Jahrb., Heft 8
Hematite var: Specularite
Formula: Fe2O3
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370; Cabral, A. R. (2006). Palladiferous gold mineralisation (ouro preto) in Brazil: Gongo Soco, Itabira and Serra Pelada. Sonderhefte Reihe D - Geol. Jahrb., Heft 8
Isomertieite
Formula: Pd11Sb2As2
Reference: App.EarthSci 111:74 -- 80.; Cabral, A. R. (2006). Palladiferous gold mineralisation (ouro preto) in Brazil: Gongo Soco, Itabira and Serra Pelada. Sonderhefte Reihe D - Geol. Jahrb., Heft 8
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370
'Mertieite'
Reference: Cabral, A. R. (2006). Palladiferous gold mineralisation (ouro preto) in Brazil: Gongo Soco, Itabira and Serra Pelada. Sonderhefte Reihe D - Geol. Jahrb., Heft 8
Mertieite-II
Formula: Pd8Sb2.5As0.5
Reference: MinMag 65:169-179; Cabral, A. R. (2006). Palladiferous gold mineralisation (ouro preto) in Brazil: Gongo Soco, Itabira and Serra Pelada. Sonderhefte Reihe D - Geol. Jahrb., Heft 8
Palladium
Formula: (Pd,Pt)
Reference: MinMag 67:453-463; Cabral, A. R. (2006). Palladiferous gold mineralisation (ouro preto) in Brazil: Gongo Soco, Itabira and Serra Pelada. Sonderhefte Reihe D - Geol. Jahrb., Heft 8
Pyrite
Formula: FeS2
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370
Pyrolusite
Formula: Mn4+O2
Reference: Applied Earth Science : IMM Transactions section B, Volume 112, Number 3, December 2003 , pp. 279-286(8)
Quartz
Formula: SiO2
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370
Romanèchite ?
Formula: (Ba,H2O)2(Mn4+,Mn3+)5O10
Reference: Applied Earth Science : IMM Transactions section B, Volume 112, Number 3, December 2003 , pp. 279-286(8)
Talc
Formula: Mg3Si4O10(OH)2
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
var: Palladian Gold1.AA.05(Au,Pd)
Palladium1.AF.10(Pd,Pt)
Group 2 - Sulphides and Sulfosalts
Chrisstanleyite2.BC.15Ag2Pd3Se4
Isomertieite2.AC.15aPd11Sb2As2
Mertieite-II2.AC.10bPd8Sb2.5As0.5
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
var: Specularite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Romanèchite ?4.DK.10(Ba,H2O)2(Mn4+,Mn3+)5O10
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Gypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
Talc9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)
'Mertieite'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Platinum Group Metals and Alloys
Palladium1.2.1.4(Pd,Pt)
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Miscellaneous
Isomertieite2.16.2.1Pd11Sb2As2
Mertieite-II2.16.3.1Pd8Sb2.5As0.5
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
AB8X16
Romanèchite ?7.9.2.1(Ba,H2O)2(Mn4+,Mn3+)5O10
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Chrisstanleyite-Ag2Pd3Se4
Gold
var: Palladian Gold
-(Au,Pd)
Hematite
var: Specularite
-Fe2O3
'Limonite'-(Fe,O,OH,H2O)
'Mertieite'-

List of minerals for each chemical element

HHydrogen
H GypsumCaSO4 · 2H2O
H Goethiteα-Fe3+O(OH)
H Limonite(Fe,O,OH,H2O)
H TalcMg3Si4O10(OH)2
H Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
CCarbon
C CalciteCaCO3
OOxygen
O QuartzSiO2
O Hematite (var: Specularite)Fe2O3
O HematiteFe2O3
O GypsumCaSO4 · 2H2O
O Goethiteα-Fe3+O(OH)
O PyrolusiteMn4+O2
O Limonite(Fe,O,OH,H2O)
O TalcMg3Si4O10(OH)2
O MagnetiteFe2+Fe23+O4
O CalciteCaCO3
O Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
MgMagnesium
Mg TalcMg3Si4O10(OH)2
SiSilicon
Si QuartzSiO2
Si TalcMg3Si4O10(OH)2
SSulfur
S GypsumCaSO4 · 2H2O
S PyriteFeS2
CaCalcium
Ca GypsumCaSO4 · 2H2O
Ca CalciteCaCO3
MnManganese
Mn PyrolusiteMn4+O2
Mn Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
FeIron
Fe Hematite (var: Specularite)Fe2O3
Fe HematiteFe2O3
Fe Goethiteα-Fe3+O(OH)
Fe Limonite(Fe,O,OH,H2O)
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
AsArsenic
As Mertieite-IIPd8Sb2.5As0.5
As IsomertieitePd11Sb2As2
SeSelenium
Se ChrisstanleyiteAg2Pd3Se4
PdPalladium
Pd Mertieite-IIPd8Sb2.5As0.5
Pd Palladium(Pd,Pt)
Pd IsomertieitePd11Sb2As2
Pd Gold (var: Palladian Gold)(Au,Pd)
Pd ChrisstanleyiteAg2Pd3Se4
AgSilver
Ag ChrisstanleyiteAg2Pd3Se4
SbAntimony
Sb Mertieite-IIPd8Sb2.5As0.5
Sb IsomertieitePd11Sb2As2
BaBarium
Ba Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
AuGold
Au GoldAu
Au Gold (var: Palladian Gold)(Au,Pd)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Archean
2500 - 4000 Ma



ID: 3186992
Archean crystalline metamorphic rocks

Age: Archean (2500 - 4000 Ma)

Lithology: Medium-high grade orthogneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Henwood, W.J. (1871): Observations on Metalliferous Deposits: On the Gold Mines of Minas Geraes, in Brazil. Transactions of the Royal Geological Society of Cornwall 8(1), 168-370.
Cabral, A.R., Lehmann, B., Grambole, D., and Herrmann, F. (2004) Hydrogen in a natural Pd-O compound from Gongo Soco, Minas Gerais, Brazil. Canadian Mineralogist: 42: 689-694.
Cabral, A.R., Lehmann, B., Kwitko, R., Jones, R.D., Pires, F.R.M., Rocha Filho, O.G., and Inncentini, M.D. (2001) Palladium-oxygenated compounds of the Gongo Soco mine, Quadrilátero Ferrífero, central Minas Gerais, Brazil. Mineralogical Magazine: 65: 169-179.
Cabral, A. R. (2006). Palladiferous gold mineralisation (ouro preto) in Brazil: Gongo Soco, Itabira and Serra Pelada. Sonderhefte Reihe D - Geol. Jahrb., Heft 8
Mineralogical Magazine: 67: 453-463.
App. Earth Science: 111: 74-80.
Canadian Mineralogist: 41: 473-478.


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