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Centennial group (Barrel; Big I.), Georgetown District, Clear Creek County, Colorado, USAi
Regional Level Types
Centennial group (Barrel; Big I.)Mine
Georgetown DistrictMining District
Clear Creek CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
39° 42' 16'' North , 105° 41' 54'' West
Latitude & Longitude (decimal):
39.70444,-105.69833
GRN:
N27W59
Type:
Mine
Köppen climate type:
Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Georgetown1,049 (2017)0.2km
Silver Plume174 (2017)2.5km
Empire287 (2017)6.4km
Downieville-Lawson-Dumont594 (2011)9.6km
Saint Marys283 (2011)13.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Colorado Gold CampFrisco, Colorado37km
Mindat Locality ID:
111158
Long-form identifier:
mindat:1:2:111158:6
GUID (UUID V4):
0


Commodities (Major) - Copper, Silver, Gold
Deposit Type: Vein
Development Status: Producer
Host Rock: Gneiss

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


12 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:

ⓘ Chalcanthite
Formula: CuSO4 · 5H2O
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Native Copper
Formula: Cu
ⓘ Native Gold
Formula: Au
ⓘ Native Iridium
Formula: (Ir,Os,Ru)
ⓘ Native Platinum
Formula: Pt
ⓘ Native Silver
Formula: Ag
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
ⓘNative Gold1.AA.05Au
ⓘNative Silver1.AA.05Ag
ⓘNative Iridium1.AF.10(Ir,Os,Ru)
ⓘNative Platinum1.AF.10Pt
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘChalcanthite7.CB.20CuSO4 · 5H2O

List of minerals for each chemical element

HHydrogen
Hⓘ ChalcanthiteCuSO4 · 5H2O
OOxygen
Oⓘ ChalcanthiteCuSO4 · 5H2O
Oⓘ QuartzSiO2
FFluorine
Fⓘ FluoriteCaF2
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcanthiteCuSO4 · 5H2O
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
CaCalcium
Caⓘ FluoriteCaF2
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcanthiteCuSO4 · 5H2O
Cuⓘ Native CopperCu
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
RuRuthenium
Ruⓘ Native Iridium(Ir,Os,Ru)
AgSilver
Agⓘ Native SilverAg
SbAntimony
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
OsOsmium
Osⓘ Native Iridium(Ir,Os,Ru)
IrIridium
Irⓘ Native Iridium(Ir,Os,Ru)
PtPlatinum
Ptⓘ Native PlatinumPt
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ GalenaPbS

Other Regions, Features and Areas containing this locality

North AmericaContinent
North 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

USGS PP 63, PG 275, 1908.
BLM CONNECTING SHEETS
CONSV. DIV. COMP. DATE, 6,63.
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