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

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Key
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Latitude & Longitude (WGS84): 46° 0' 55'' North , 112° 30' 44'' West
Latitude & Longitude (decimal): 46.01528,-112.51222
GeoHash:G#: c2pvz8z47
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Butte34,190 (2011)2.2km
Walkerville700 (2017)2.8km
Butte-Silver Bow (Balance)33,525 (2013)16.9km
Warm Springs3,000 (2013)28.0km
Basin212 (2011)34.3km


Commodities (Major) - Copper, Silver; (Trace) - Arsenic
Development Status: Past Producer
Structure: Boulder Batholith
Host Rock: Quartz Monzonite

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

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: 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:

Acanthite
Formula: Ag2S
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Bornite
Formula: Cu5FeS4
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed
Chalcanthite
Formula: CuSO4 · 5H2O
Reference: Rocks & Min.: 16: 243.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Chalcocite
Formula: Cu2S
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Chalcopyrite
Formula: CuFeS2
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed
Copper
Formula: Cu
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed
Enargite
Formula: Cu3AsS4
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Malachite
Formula: Cu2(CO3)(OH)2
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; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Quartz
Formula: SiO2
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Silver
Formula: Ag
Reference: Geology and Ore Deposits of Butte District, Montana, W. Weed; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Sphalerite
Formula: ZnS
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
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Bornite2.BA.15Cu5FeS4
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Enargite2.KA.05Cu3AsS4
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Chalcanthite7.CB.20CuSO4 · 5H2O
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)

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
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø = 4
Enargite3.2.1.1Cu3AsS4
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Chalcanthite29.6.7.1CuSO4 · 5H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H ChalcanthiteCuSO4 · 5H2O
H MalachiteCu2(CO3)(OH)2
H Limonite(Fe,O,OH,H2O)
CCarbon
C MalachiteCu2(CO3)(OH)2
OOxygen
O ChalcanthiteCuSO4 · 5H2O
O QuartzSiO2
O MalachiteCu2(CO3)(OH)2
O Limonite(Fe,O,OH,H2O)
SiSilicon
Si QuartzSiO2
SSulfur
S ChalcanthiteCuSO4 · 5H2O
S PyriteFeS2
S EnargiteCu3AsS4
S BorniteCu5FeS4
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S SphaleriteZnS
S AcanthiteAg2S
FeIron
Fe PyriteFeS2
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe Limonite(Fe,O,OH,H2O)
CuCopper
Cu ChalcanthiteCuSO4 · 5H2O
Cu EnargiteCu3AsS4
Cu BorniteCu5FeS4
Cu MalachiteCu2(CO3)(OH)2
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu CopperCu
ZnZinc
Zn SphaleriteZnS
AsArsenic
As EnargiteCu3AsS4
AgSilver
Ag SilverAg
Ag AcanthiteAg2S

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

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]

Cretaceous
66 - 145 Ma



ID: 2108663
Biotite-hornblende granodioritic rocks along the Continental Divide, Anaconda Range, Sapphire Mountains, and Flint Creek Range

Age: Cretaceous (66 - 145 Ma)

Lithology: Major:: {biotite-hornblende granodiorite, biotite-hornblende monzogranite, tonalite}

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]

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)
Rocks & Minerals: 16: 243.
Geology and Ore Deposits of the Butte District, Montana; W. Weed 1912
USGS PP 74, 157, 158, 159 , PL. X


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