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Cataract Mining District (Comet Mining District; Basin Mining District), Jefferson Co., Montana, USAi
Regional Level Types
Cataract Mining District (Comet Mining District; Basin Mining District)Mining District
Jefferson Co.County
MontanaState
USACountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 46° North , 112° West (est.)
Margin of Error:~53km
Locality type:Mining District
Köppen climate type:BSk : Cold semi-arid (steppe) climate


Basin. Au, Ag, Pb, Cu.

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 from this region.


Mineral List

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

32 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!

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
Reference: Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Arsenopyrite
Formula: FeAsS
Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States"
Baryte
Formula: BaSO4
Boulangerite
Formula: Pb5Sb4S11
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Calcite
Formula: CaCO3
Cassiterite
Formula: SnO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Cerussite
Formula: PbCO3
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 27 localities in this region.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Covellite
Formula: CuS
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Dolomite
Formula: CaMg(CO3)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Dumortierite
Formula: (Al,Fe3+)7(SiO4)3(BO3)O3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Galena
Formula: PbS
Localities: Reported from at least 47 localities in this region.
Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States"; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Gold
Formula: Au
Localities: Reported from at least 68 localities in this region.
Hematite
Formula: Fe2O3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'K Feldspar'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Limonite'
Formula: (Fe,O,OH,H2O)
Localities: Reported from at least 6 localities in this region.
Malachite
Formula: Cu2(CO3)(OH)2
Marcasite
Formula: FeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Molybdenite
Formula: MoS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Polybasite
Formula: [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Proustite
Formula: Ag3AsS3
Pyrite
Formula: FeS2
Localities: Reported from at least 46 localities in this region.
Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States"; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Quartz
Formula: SiO2
Localities: Reported from at least 55 localities in this region.
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Gobla, M.J. (2012) Montana Mineral Locality Index. Rocks & Minerals 87:3, 208-240. Chris Tucker and John Betts specimens.
Rhodochrosite
Formula: MnCO3
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Gobla, M.J. (2012) Montana Mineral Locality Index. Rocks & Minerals 87:3, 208-240.
Siderite
Formula: FeCO3
Silver
Formula: Ag
Sphalerite
Formula: ZnS
Localities: Reported from at least 37 localities in this region.
Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States"; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Localities: Reported from at least 15 localities in this region.
'Tourmalinated Quartz'
Reference: Gobla, M.J. (2012) Montana Mineral Locality Index. Rocks & Minerals 87:3, 208-240.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Localities: Reported from at least 9 localities in this region.
Reference: USGS Prof Paper 610 "Principal Gold Producing Districts of the United States"
Uraninite
Formula: UO2

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Arsenopyrite2.EB.20FeAsS
Boulangerite2.HC.15Pb5Sb4S11
Chalcopyrite2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Galena2.CD.10PbS
Marcasite2.EB.10aFeS2
Molybdenite2.EA.30MoS2
Polybasite2.GB.15[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Proustite2.GA.05Ag3AsS3
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Uraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Rhodochrosite5.AB.05MnCO3
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Dumortierite9.AJ.10(Al,Fe3+)7(SiO4)3(BO3)O3
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified Minerals, Rocks, etc.
'K Feldspar'-
'Limonite'-(Fe,O,OH,H2O)
'Tourmalinated Quartz'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
AmXp, with m:p = 1:1
Covellite2.8.12.1CuS
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Marcasite2.12.2.1FeS2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø > 4
Polybasite3.1.7.2[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
3 <ø < 4
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
ø = 3
Proustite3.4.1.1Ag3AsS3
2.5 < ø < 3
Boulangerite3.5.2.1Pb5Sb4S11
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Cassiterite4.4.1.5SnO2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Rhodochrosite14.1.1.4MnCO3
Siderite14.1.1.3FeCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with (BO3)
Dumortierite54.1.2.1(Al,Fe3+)7(SiO4)3(BO3)O3
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'K Feldspar'-
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
Quartz
var: Smoky Quartz
-SiO2
'Tourmalinated Quartz'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H MalachiteCu2(CO3)(OH)2
H Limonite(Fe,O,OH,H2O)
H KaoliniteAl2(Si2O5)(OH)4
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
B Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
CCarbon
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
C DolomiteCaMg(CO3)2
C AnkeriteCa(Fe2+,Mg)(CO3)2
C RhodochrositeMnCO3
C CerussitePbCO3
C CalciteCaCO3
OOxygen
O QuartzSiO2
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O CassiteriteSnO2
O MalachiteCu2(CO3)(OH)2
O Limonite(Fe,O,OH,H2O)
O UraniniteUO2
O SideriteFeCO3
O BaryteBaSO4
O DolomiteCaMg(CO3)2
O KaoliniteAl2(Si2O5)(OH)4
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O AnkeriteCa(Fe2+,Mg)(CO3)2
O RhodochrositeMnCO3
O HematiteFe2O3
O CerussitePbCO3
O CalciteCaCO3
O Quartz (var: Smoky Quartz)SiO2
NaSodium
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
AlAluminium
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al KaoliniteAl2(Si2O5)(OH)4
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si QuartzSiO2
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si KaoliniteAl2(Si2O5)(OH)4
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si Quartz (var: Smoky Quartz)SiO2
SSulfur
S ArsenopyriteFeAsS
S GalenaPbS
S SphaleriteZnS
S PyriteFeS2
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S ChalcopyriteCuFeS2
S BoulangeritePb5Sb4S11
S ProustiteAg3AsS3
S BaryteBaSO4
S MolybdeniteMoS2
S CovelliteCuS
S Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
S MarcasiteFeS2
S AcanthiteAg2S
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca DolomiteCaMg(CO3)2
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
MnManganese
Mn RhodochrositeMnCO3
FeIron
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe ArsenopyriteFeAsS
Fe PyriteFeS2
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe ChalcopyriteCuFeS2
Fe Limonite(Fe,O,OH,H2O)
Fe SideriteFeCO3
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe HematiteFe2O3
Fe MarcasiteFeS2
CuCopper
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu CovelliteCuS
Cu Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
AsArsenic
As ArsenopyriteFeAsS
As ProustiteAg3AsS3
As Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag SilverAg
Ag ProustiteAg3AsS3
Ag Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Ag AcanthiteAg2S
SnTin
Sn CassiteriteSnO2
SbAntimony
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Sb BoulangeritePb5Sb4S11
Sb Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
BaBarium
Ba BaryteBaSO4
AuGold
Au GoldAu
PbLead
Pb GalenaPbS
Pb BoulangeritePb5Sb4S11
Pb CerussitePbCO3
UUranium
U UraniniteUO2

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