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Big Creek Mine, Encampment Mining District, Carbon County, Wyoming, USAi
Regional Level Types
Big Creek MineMine
Encampment Mining DistrictMining District
Carbon CountyCounty
WyomingState
USACountry

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Latitude & Longitude (WGS84):
41° 6' 55'' North , 106° 30' 15'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Encampment438 (2017)26.1km
Centennial270 (2011)36.5km
Saratoga1,677 (2017)45.4km
Walden584 (2017)46.5km
Mindat Locality ID:
7390
Long-form identifier:
mindat:1:2:7390:8
GUID (UUID V4):
6618c856-1514-4bb5-ae69-e7cbeef4263d


Deposit: Some of the best copper specimens of massive chalcocite and bornite found in the state have come from this mine. The deposit occurs in a pink granite pegmatite. This pegmatite also contains common terminated quartz prisms. Much of the quartz is translucent, but specimens of excellent, trasnparent quartz similar to those found in Hot Springs County, Arkansas, are also found and relatively common. (Bull. 71, p. 217) A 'pegmatite vein,' probably quartz, contains chalcocite, baronite. Chalcopyrite and azurite, and an occasional phantom smoky quartz crystal. Crystalized garnets have been found 'a short distance up the hill'. (Bull. 50, p. 45)

Deposit type: Pegmatites

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


9 valid minerals.

Detailed Mineral List:

β“˜ Azurite
Formula: Cu3(CO3)2(OH)2
β“˜ Beryl
Formula: Be3Al2(Si6O18)
β“˜ Bornite
Formula: Cu5FeS4
β“˜ Chalcocite
Formula: Cu2S
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
β“˜ Fluorite
Formula: CaF2
β“˜ Malachite
Formula: Cu2(CO3)(OH)2
β“˜ Quartz
Formula: SiO2
β“˜ Quartz var. Smoky Quartz
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Chalcocite2.BA.05Cu2S
β“˜Bornite2.BA.15Cu5FeS4
β“˜Chalcopyrite2.CB.10aCuFeS2
Group 3 - Halides
β“˜Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
β“˜Quartz4.DA.05SiO2
β“˜var. Smoky Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Azurite5.BA.05Cu3(CO3)2(OH)2
β“˜Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
β“˜Beryl9.CJ.05Be3Al2(Si6O18)
β“˜Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 Β· nH2O, x < 1

List of minerals for each chemical element

HHydrogen
Hβ“˜ AzuriteCu3(CO3)2(OH)2
Hβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hβ“˜ MalachiteCu2(CO3)(OH)2
BeBeryllium
Beβ“˜ BerylBe3Al2(Si6O18)
CCarbon
Cβ“˜ AzuriteCu3(CO3)2(OH)2
Cβ“˜ MalachiteCu2(CO3)(OH)2
OOxygen
Oβ“˜ AzuriteCu3(CO3)2(OH)2
Oβ“˜ BerylBe3Al2(Si6O18)
Oβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oβ“˜ MalachiteCu2(CO3)(OH)2
Oβ“˜ QuartzSiO2
Oβ“˜ Quartz var. Smoky QuartzSiO2
FFluorine
Fβ“˜ FluoriteCaF2
AlAluminium
Alβ“˜ BerylBe3Al2(Si6O18)
Alβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
SiSilicon
Siβ“˜ BerylBe3Al2(Si6O18)
Siβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siβ“˜ QuartzSiO2
Siβ“˜ Quartz var. Smoky QuartzSiO2
SSulfur
Sβ“˜ BorniteCu5FeS4
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ ChalcociteCu2S
CaCalcium
Caβ“˜ FluoriteCaF2
FeIron
Feβ“˜ BorniteCu5FeS4
Feβ“˜ ChalcopyriteCuFeS2
CuCopper
Cuβ“˜ AzuriteCu3(CO3)2(OH)2
Cuβ“˜ BorniteCu5FeS4
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChalcociteCu2S
Cuβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuβ“˜ MalachiteCu2(CO3)(OH)2

Other Databases

Link to USGS MRDS:10157071

Other Regions, Features and Areas containing this locality

North America
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

 
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