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Alder Gulch Mining District (Virginia City Mining District; Fairweather Mining District), Madison County, Montana, USAi
Regional Level Types
Alder Gulch Mining District (Virginia City Mining District; Fairweather Mining District)Mining District
Madison CountyCounty
MontanaState
USACountry

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PhotosMapsSearch
01922870017272077817379.jpg
Dredging Piles on Lower Alder Creek in the Alder Gulch Mining District, Montana

Alder Gulch Mining District, Madison County, Montana, USA
00271540017272077828092.jpg
Gated & Partially Filled-in Adit for the General Shafter Mine, Alder Gulch Mining District, MT

Alder Gulch Mining District, Madison County, Montana, USA
06284150017272077828309.jpg
Boarded up Adit for the General Shafter Mine, Alder Gulch Mining District, MT

Alder Gulch Mining District, Madison County, Montana, USA
01922870017272077817379.jpg
Dredging Piles on Lower Alder Creek in the Alder Gulch Mining District, Montana

Alder Gulch Mining District, Madison County, Montana, USA
00271540017272077828092.jpg
Gated & Partially Filled-in Adit for the General Shafter Mine, Alder Gulch Mining District, MT

Alder Gulch Mining District, Madison County, Montana, USA
06284150017272077828309.jpg
Boarded up Adit for the General Shafter Mine, Alder Gulch Mining District, MT

Alder Gulch Mining District, Madison County, Montana, USA
01922870017272077817379.jpg
Dredging Piles on Lower Alder Creek in the Alder Gulch Mining District, Montana

Alder Gulch Mining District, Madison County, Montana, USA
00271540017272077828092.jpg
Gated & Partially Filled-in Adit for the General Shafter Mine, Alder Gulch Mining District, MT

Alder Gulch Mining District, Madison County, Montana, USA
Latitude & Longitude (WGS84):
45° North , 111° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~77km
GRN:
N31W57
Type:
Mining District
Köppen climate type:
Dfb : Warm-summer humid continental climate
Mindat Locality ID:
50280
Long-form identifier:
mindat:1:2:50280:2
GUID (UUID V4):
0


12 miles east of Alder. Au, Ag. Gold tellurides

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

23 valid minerals.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Acanthite
Formula: Ag2S
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ Calcite
Formula: CaCO3
Description: The calcite occurs in the center of plagioclase crystals.
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ 'Copper Stain'
ⓘ Corundum
Formula: Al2O3
ⓘ Corundum var. Star Ruby
Formula: Al2O3
ⓘ Covellite
Formula: CuS
ⓘ Galena
Formula: PbS
Localities: Reported from at least 7 localities in this region.
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Hematite
Formula: Fe2O3
ⓘ 'Limonite'
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Nagyágite
Formula: [Pb3(Pb,Sb)3S6](Au,Te)3
ⓘ Native Copper
Formula: Cu
ⓘ Native Gold
Formula: Au
Localities: Reported from at least 8 localities in this region.
ⓘ Native Silver
Formula: Ag
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrargyrite
Formula: Ag3SbS3
ⓘ Pyrite
Formula: FeS2
Localities: Reported from at least 8 localities in this region.
ⓘ Pyrite var. Gold-bearing Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 8 localities in this region.
ⓘ Siderite
Formula: FeCO3
ⓘ Sphalerite
Formula: ZnS
Localities: Reported from at least 6 localities in this region.
ⓘ Stibnite
Formula: Sb2S3
ⓘ Sylvanite
Formula: AgAuTe4
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
ⓘ 'Wad'

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
ⓘNative Gold1.AA.05Au
ⓘNative Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘAcanthite2.BA.35Ag2S
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘStibnite2.DB.05Sb2S3
ⓘSylvanite2.EA.05AgAuTe4
ⓘPyrite
var. Gold-bearing Pyrite		2.EB.05aFeS2
ⓘ2.EB.05aFeS2
ⓘPyrargyrite2.GA.05Ag3SbS3
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
ⓘNagyágite2.HB.20a[Pb3(Pb,Sb)3S6](Au,Te)3
Group 4 - Oxides and Hydroxides
ⓘCorundum4.CB.05Al2O3
ⓘHematite4.CB.05Fe2O3
ⓘCorundum
var. Star Ruby		4.CB.05Al2O3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘOrthoclase9.FA.30K(AlSi3O8)
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Limonite'-
ⓘ'Wad'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Copper Stain'-

List of minerals for each chemical element

HHydrogen
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ CalciteCaCO3
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ SideriteFeCO3
OOxygen
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ CalciteCaCO3
Oⓘ CorundumAl2O3
Oⓘ HematiteFe2O3
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ QuartzSiO2
Oⓘ SideriteFeCO3
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Corundum var. Star RubyAl2O3
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
AlAluminium
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ CorundumAl2O3
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Corundum var. Star RubyAl2O3
SiSilicon
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Garnet GroupX3Z2(SiO4)3
SSulfur
Sⓘ AcanthiteAg2S
Sⓘ Pyrite var. Gold-bearing PyriteFeS2
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ CovelliteCuS
Sⓘ GalenaPbS
Sⓘ Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Sⓘ PyrargyriteAg3SbS3
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ StibniteSb2S3
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ OrthoclaseK(AlSi3O8)
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FeIron
Feⓘ Pyrite var. Gold-bearing PyriteFeS2
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ CovelliteCuS
Cuⓘ Native CopperCu
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
AgSilver
Agⓘ AcanthiteAg2S
Agⓘ PyrargyriteAg3SbS3
Agⓘ Native SilverAg
Agⓘ SylvaniteAgAuTe4
SbAntimony
Sbⓘ Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Sbⓘ PyrargyriteAg3SbS3
Sbⓘ StibniteSb2S3
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
TeTellurium
Teⓘ Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Teⓘ SylvaniteAgAuTe4
AuGold
Auⓘ Native GoldAu
Auⓘ Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Auⓘ SylvaniteAgAuTe4
PbLead
Pbⓘ GalenaPbS
Pbⓘ Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3

Localities in this Region

USA
USA

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.
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