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West Colusa Mine, Berkeley Pit, Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USAi
Regional Level Types
West Colusa MineMine
Berkeley PitPit
Butte- not defined -
Butte District (Summit Valley District)Mining District
Silver Bow Co.County
MontanaState
USACountry

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Latitude & Longitude (WGS84): 46° 1' 24'' North , 112° 30' 44'' West
Latitude & Longitude (decimal): 46.02333,-112.51222
GeoHash:G#: c2pvzdr17
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Walkerville700 (2017)2.2km
Butte34,190 (2011)2.8km
Butte-Silver Bow (Balance)33,525 (2013)17.5km
Warm Springs3,000 (2013)27.4km
Basin212 (2011)33.6km


Consumed by the Berkeley Pit

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

Arsenopyrite
Formula: FeAsS
Reference: Ref.: Dana 7:I:321.
Boothite
Formula: CuSO4 · 7H2O
Reference: Handbook of Mineralogy
Chalcocite
Formula: Cu2S
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed
Colusite
Formula: Cu13VAs3S16
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed
Copper
Formula: Cu
Reference: Rick Dalrymple photo
Covellite
Formula: CuS
Enargite
Formula: Cu3AsS4
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed
Hübnerite
Formula: MnWO4
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed
Pyrite
Formula: FeS2
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed
Quartz
Formula: SiO2
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed
Sphalerite
Formula: ZnS
Reference: Ore Deposits at Butte, Montana, R. H. Sales, 1914
Wurtzite
Formula: (Zn,Fe)S
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Chalcocite2.BA.05Cu2S
Colusite2.CB.30Cu13VAs3S16
Covellite2.CA.05aCuS
Enargite2.KA.05Cu3AsS4
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Wurtzite2.CB.45(Zn,Fe)S
Group 4 - Oxides and Hydroxides
Hübnerite4.DB.30MnWO4
Quartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Boothite7.CB.35CuSO4 · 7H2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmXp, with m:p = 1:1
Covellite2.8.12.1CuS
Sphalerite2.8.2.1ZnS
Wurtzite2.8.7.1(Zn,Fe)S
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø > 4
Colusite3.1.1.1Cu13VAs3S16
ø = 4
Enargite3.2.1.1Cu3AsS4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Boothite29.6.10.2CuSO4 · 7H2O
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Hübnerite48.1.1.1MnWO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H BoothiteCuSO4 · 7H2O
OOxygen
O HübneriteMnWO4
O QuartzSiO2
O BoothiteCuSO4 · 7H2O
SiSilicon
Si QuartzSiO2
SSulfur
S EnargiteCu3AsS4
S ColusiteCu13VAs3S16
S Wurtzite(Zn,Fe)S
S ChalcociteCu2S
S PyriteFeS2
S CovelliteCuS
S SphaleriteZnS
S ArsenopyriteFeAsS
S BoothiteCuSO4 · 7H2O
VVanadium
V ColusiteCu13VAs3S16
MnManganese
Mn HübneriteMnWO4
FeIron
Fe PyriteFeS2
Fe ArsenopyriteFeAsS
CuCopper
Cu EnargiteCu3AsS4
Cu ColusiteCu13VAs3S16
Cu ChalcociteCu2S
Cu CovelliteCuS
Cu CopperCu
Cu BoothiteCuSO4 · 7H2O
ZnZinc
Zn Wurtzite(Zn,Fe)S
Zn SphaleriteZnS
AsArsenic
As EnargiteCu3AsS4
As ColusiteCu13VAs3S16
As ArsenopyriteFeAsS
WTungsten
W HübneriteMnWO4

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

Holocene
0 - 0.0117 Ma



ID: 2085655
Tailings, mine dumps, and slag piles

Age: Anthropocene (0 - 0.0117 Ma)

Description: tailings, mine dumps, slag

Lithology: Sand, gravel

Reference: Zientek, M.L., P.D. Derkey, R.J. Miller, J.D. Causet et al. Spatial Databases for the Geology of the Northern Rocky Mountains - Idaho, Montana, and Washington. U.S. Geological Survey Open-File Report 2005-1235 Version 1.0. [25]

Cretaceous
66 - 145 Ma



ID: 3187684
Mesozoic intrusive rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Intrusive igneous rocks

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]

Cretaceous
66 - 145 Ma



ID: 2984479
Granitic rock

Age: Cretaceous (66 - 145 Ma)

Comments: Original map source: Vuke, S.M., Porter, K.W., Lonn, J.D., and Lopez, D.A., 2007, Geologic Map of Montana - Compact Disc: Montana Bureau of Mines and Geology: Geologic Map 62-C, 73 p., 2 sheets, scale 1:500,000. This map was digitized in 2012 as a result of a contract betwe

Lithology: Major:{granitic}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

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)
Geology and Ore Deposits of the Butte District, Montana; W. Weed 1912;
Ore Deposits at Butte, Montana, R. H. Sales, 1914;
Dana 7:I:321.


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