Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Castle Mountain Mining District, Meagher County, Montana, USAi
Regional Level Types
Castle Mountain Mining DistrictMining District
Meagher CountyCounty
MontanaState
USACountry

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03396460017271984856135.jpg
Castle Town

Castle Mountain Mining District, Meagher County, Montana, USA
07805090017271984879436.jpg
Cumberland Mine

Castle Mountain Mining District, Meagher County, Montana, USA
00012460017271984913373.jpg
Jumbo Boiler

Jumbo Mine, Castle Mountain Mining District, Meagher County, Montana, USA
03396460017271984856135.jpg
Castle Town

Castle Mountain Mining District, Meagher County, Montana, USA
07805090017271984879436.jpg
Cumberland Mine

Castle Mountain Mining District, Meagher County, Montana, USA
00012460017271984913373.jpg
Jumbo Boiler

Jumbo Mine, Castle Mountain Mining District, Meagher County, Montana, USA
03396460017271984856135.jpg
Castle Town

Castle Mountain Mining District, Meagher County, Montana, USA
06470220017271984965144.jpg
Cumberland Mine

Castle Mountain Mining District, Meagher County, Montana, USA


7 miles west of Lennup. Pb, Ag, Cu.

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:

ⓘ Anglesite
Formula: PbSO4
ⓘ Baryte
Formula: BaSO4
References:
USGS Bull 139
ⓘ Calcite
Formula: CaCO3
ⓘ Cerussite
Formula: PbCO3
Localities: Reported from at least 6 localities in this region.
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chlorargyrite
Formula: AgCl
ⓘ Diopside
Formula: CaMgSi2O6
References:
USGS Bull 139
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
References:
USGS Bull 139
ⓘ Galena
Formula: PbS
Localities: Reported from at least 11 localities in this region.
ⓘ Grossular
Formula: Ca3Al2(SiO4)3
References:
USGS Bull 139
ⓘ Hematite
Formula: Fe2O3
References:
USGS Bull 139
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
References:
USGS Bull 139
ⓘ 'Limonite'
References:
USGS Bull 139
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
References:
USGS Bull 139
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
References:
USGS Bull 139
ⓘ Mimetite
Formula: Pb5(AsO4)3Cl
ⓘ Minium
Formula: Pb3O4
References:
USGS Bull 139
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
References:
USGS Bull 139
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Smithsonite
Formula: ZnCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
References:
USGS Bull 139
ⓘ 'Wad'
ⓘ Wulfenite
Formula: Pb(MoO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘChlorargyrite3.AA.15AgCl
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘMinium4.BD.05Pb3O4
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSmithsonite5.AB.05ZnCO3
ⓘCerussite5.AB.15PbCO3
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnglesite7.AD.35PbSO4
ⓘBaryte7.AD.35BaSO4
ⓘWulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMimetite8.BN.05Pb5(AsO4)3Cl
Group 9 - Silicates
ⓘGrossular9.AD.25Ca3Al2(SiO4)3
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘVesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
ⓘDiopside9.DA.15CaMgSi2O6
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
ⓘ'Limonite'-
ⓘ'Wad'-

List of minerals for each chemical element

HHydrogen
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
CCarbon
Cⓘ CalciteCaCO3
Cⓘ CerussitePbCO3
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ SmithsoniteZnCO3
OOxygen
Oⓘ AnglesitePbSO4
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ CerussitePbCO3
Oⓘ DiopsideCaMgSi2O6
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ GrossularCa3Al2(SiO4)3
Oⓘ HematiteFe2O3
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MimetitePb5(AsO4)3Cl
Oⓘ MiniumPb3O4
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ SmithsoniteZnCO3
Oⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Oⓘ WulfenitePb(MoO4)
MgMagnesium
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
AlAluminium
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ GrossularCa3Al2(SiO4)3
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
SiSilicon
Siⓘ DiopsideCaMgSi2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ GrossularCa3Al2(SiO4)3
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
SSulfur
Sⓘ AnglesitePbSO4
Sⓘ BaryteBaSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
ClChlorine
Clⓘ ChlorargyriteAgCl
Clⓘ MimetitePb5(AsO4)3Cl
KPotassium
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ GrossularCa3Al2(SiO4)3
Caⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ MalachiteCu2(CO3)(OH)2
ZnZinc
Znⓘ SmithsoniteZnCO3
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ MimetitePb5(AsO4)3Cl
MoMolybdenum
Moⓘ WulfenitePb(MoO4)
AgSilver
Agⓘ ChlorargyriteAgCl
BaBarium
Baⓘ BaryteBaSO4
PbLead
Pbⓘ AnglesitePbSO4
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS
Pbⓘ MimetitePb5(AsO4)3Cl
Pbⓘ MiniumPb3O4
Pbⓘ WulfenitePb(MoO4)

Fossils

There are 3 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences3
Youngest Fossil Listed5.33 Ma (Miocene)
Oldest Fossil Listed66.0 Ma (Late/Upper Cretaceous)
Stratigraphic Units
UnitNo. OccurrencesAge
Deep River115.97 - 5.333 Ma (Miocene)
Fort Union255.8 - 2.588 Ma (Cenozoic)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Beringiaphyllum cupanioides
species		Beringiaphyllum : Beringiaphyllum cupanioides66 - 56 Ma
Paleocene
Hendersonia stillmani
species		Animalia : Mollusca : Gastropoda : Cycloneritida : Helicinidae : Hendersonia : Hendersonia stillmani23.03 - 5.333 Ma
Miocene
Fossil LocalitiesClick to show 2 fossil localities

Localities in this Region

USA
USA

Other Regions, Features and Areas that Intersect

North AmericaContinent
North America PlateTectonic Plate
USA

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

USGS Bull 139
Winters, Allen S. (1968) Geology and Ore Deposits of the Castle Mountain Mining District, Meagher County, Montana. Bulletin 64. Montana Bureau of Mines and Geology, Butte.
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