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Elkhorn, Elkhorn Mining District, Jefferson County, Montana, USAi
Regional Level Types
Elkhorn- not defined -
Elkhorn Mining DistrictMining District
Jefferson CountyCounty
MontanaState
USACountry

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Latitude & Longitude (WGS84):
46° 16' 60'' North , 111° 57' 0'' West
Latitude & Longitude (decimal):
46.28333,-111.95000
GRN:
N31W57
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Jefferson City472 (2011)13.1km
Boulder1,207 (2017)14.1km
Clancy1,661 (2011)20.4km
Basin212 (2011)24.1km
Montana City2,715 (2011)28.3km
Mindat Locality ID:
48407
Long-form identifier:
mindat:1:2:48407:4
GUID (UUID V4):
0



REF:Deposit:: WEED, W.H., 1901, GEOLOGY AND ORE DEPOSITS OF THE ELKHORN MINING DISTRICT, JEFFERSON CO., MONTANA, 22 ANN. REPT. USGS P. 399-549
Deposit:: KNOPF, A., 1913, ORE DEPOSITS OF THE HELENA MINING REGION, MONTANA USGS BULL. 527. P. 128-139.
Deposit:: KLEPPER, M.R., ET AL, 1957, GEOLOGY OF THE SOUTHERN ELKHORN MTNS., JEFFERSON AND BROADWATER COUNTIES, MONTANA: USGS PROF. PAPER 292, P. 67-7
Production:: KLEPPER, 1957, USGS PROF. PAPER 292
Deposit:
Commodities (Major) - Lead, Copper, Gold, Silver; (Minor) - Bismuth
Development Status: Past Producer
Host Rock Unit: Flathead, Andesite, Flathead Fm, Mid E, Quartzite, Limestones, Shale
Structure: Extensive Folding Axis N-S With Prevailing Eastward Dip., Boulder Batholith
Host Rock: Limestone, Marble
Tectonic Structure: East Margin Of Boulder Batholith

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

13 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aragonite
Formula: CaCO3
ⓘ Bismuthinite
Formula: Bi2S3
ⓘ Bournonite
Formula: PbCuSbS3
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Galena
Formula: PbS
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Native Gold
Formula: Au
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Sphalerite
Formula: ZnS
ⓘ Tetradymite
Formula: Bi2Te2S
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘGalena2.CD.10PbS
ⓘBismuthinite2.DB.05Bi2S3
ⓘTetradymite2.DC.05Bi2Te2S
ⓘPyrite2.EB.05aFeS2
ⓘBournonite2.GA.50PbCuSbS3
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘAragonite5.AB.15CaCO3
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
ⓘDiopside9.DA.15CaMgSi2O6
Unclassified
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cⓘ AragoniteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ AragoniteCaCO3
Oⓘ DiopsideCaMgSi2O6
Oⓘ DolomiteCaMg(CO3)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ QuartzSiO2
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
MgMagnesium
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ DolomiteCaMg(CO3)2
SiSilicon
Siⓘ DiopsideCaMgSi2O6
Siⓘ QuartzSiO2
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
Sⓘ BismuthiniteBi2S3
Sⓘ BournonitePbCuSbS3
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ TetradymiteBi2Te2S
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
CaCalcium
Caⓘ AragoniteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ DolomiteCaMg(CO3)2
FeIron
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
CuCopper
Cuⓘ BournonitePbCuSbS3
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
SbAntimony
Sbⓘ BournonitePbCuSbS3
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
TeTellurium
Teⓘ TetradymiteBi2Te2S
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ BournonitePbCuSbS3
Pbⓘ GalenaPbS
BiBismuth
Biⓘ BismuthiniteBi2S3
Biⓘ TetradymiteBi2Te2S

Localities in this Region

USA
  • Montana
    • Jefferson County

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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