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McDonald Meadows Occurrence, Seven-Up Pete Mining District, Lewis and Clark County, Montana, USAi
Regional Level Types
McDonald Meadows OccurrenceOccurrence
Seven-Up Pete Mining DistrictMining District
Lewis and Clark CountyCounty
MontanaState
USACountry

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Latitude & Longitude (WGS84):
47° 0' 0'' North , 112° 31' 30'' West
Latitude & Longitude (decimal):
47.00000,-112.52500
GeoHash:
G#: c2rgrkjfc
GRN:
N32W56
Type:
Occurrence
KΓΆppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Lincoln1,013 (2011)12.9km
Avon111 (2011)45.2km
Helena Valley Northwest3,482 (2011)46.3km
Elliston219 (2011)49.2km
Helena Valley West Central7,883 (2011)51.5km
Mindat Locality ID:
163219
Long-form identifier:
mindat:1:2:163219:7
GUID (UUID V4):
857507ac-cb8f-4028-b4c6-ebd2823aebf2


At a cutoff of 0.06 Au opt, conservative estimates indicate the existence of a 2.75 Mt orebody at an average grade of 0.171 Au opt and a total of approximately 470 koz.

PAY DIRT, DEC., 1991, P. 9
Commodities (Major) - Gold
Development Status: Occurrence
Deposit Model: 104: Hot-spring Au-Ag

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


28 valid minerals.

Rock Types Recorded

Note: 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:

β“˜ Acanthite
Formula: Ag2S
β“˜ Calcite
Formula: CaCO3
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ 'Chlorite Group'
β“˜ Covellite
Formula: CuS
β“˜ Cryptomelane
Formula: K(Mn4+7Mn3+)O16
β“˜ Digenite
Formula: Cu9S5
β“˜ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜ Famatinite
Formula: Cu3SbS4
β“˜ Galena
Formula: PbS
β“˜ Goethite
Formula: Ξ±-Fe3+O(OH)
β“˜ Gold
Formula: Au
β“˜ Gold var. Electrum
Formula: (Au,Ag)
β“˜ Hematite
Formula: Fe2O3
β“˜ Jarosite
Formula: KFe3+3(SO4)2(OH)6
β“˜ Kaolinite
Formula: Al2(Si2O5)(OH)4
β“˜ 'K Feldspar'
β“˜ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
β“˜ Marcasite
Formula: FeS2
β“˜ Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
β“˜ Pearceite
Formula: [Ag6As2S7][Ag9CuS4]
β“˜ Petrovskaite
Formula: AuAgS
β“˜ Polybasite
Formula: [Ag6Sb2S7][Ag9CuS4]
β“˜ Proustite
Formula: Ag3AsS3
β“˜ Pyrargyrite
Formula: Ag3SbS3
β“˜ Pyrite
Formula: FeS2
β“˜ Pyrrhotite
Formula: Fe1-xS
β“˜ Quartz
Formula: SiO2
β“˜ Quartz var. Chalcedony
Formula: SiO2
β“˜ Sanidine
Formula: K(AlSi3O8)
β“˜ 'Sinter var. Siliceous sinter'
β“˜ Sphalerite
Formula: ZnS
β“˜ Stromeyerite
Formula: AgCuS
β“˜ Uytenbogaardtite
Formula: Ag3AuS2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Gold1.AA.05Au
β“˜var. Electrum1.AA.05(Au,Ag)
Group 2 - Sulphides and Sulfosalts
β“˜Digenite2.BA.10Cu9S5
β“˜Acanthite2.BA.35Ag2S
β“˜Stromeyerite2.BA.40AgCuS
β“˜Uytenbogaardtite2.BA.75Ag3AuS2
β“˜Petrovskaite2.BA.75AuAgS
β“˜Covellite2.CA.05aCuS
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Pyrrhotite2.CC.10Fe1-xS
β“˜Galena2.CD.10PbS
β“˜Pyrite2.EB.05aFeS2
β“˜Marcasite2.EB.10aFeS2
β“˜Proustite2.GA.05Ag3AsS3
β“˜Pyrargyrite2.GA.05Ag3SbS3
β“˜Polybasite2.GB.15[Ag6Sb2S7][Ag9CuS4]
β“˜Pearceite2.GB.15[Ag6As2S7][Ag9CuS4]
β“˜Famatinite2.KA.10Cu3SbS4
Group 4 - Oxides and Hydroxides
β“˜Goethite4.00.Ξ±-Fe3+O(OH)
β“˜Hematite4.CB.05Fe2O3
β“˜Quartz
var. Chalcedony		4.DA.05SiO2
β“˜4.DA.05SiO2
β“˜Cryptomelane4.DK.05aK(Mn4+7Mn3+)O16
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Jarosite7.BC.10KFe3+3(SO4)2(OH)6
Group 9 - Silicates
β“˜Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 Β· nH2O
β“˜Kaolinite9.ED.05Al2(Si2O5)(OH)4
β“˜Sanidine9.FA.30K(AlSi3O8)
Unclassified
β“˜'K Feldspar
var. Adularia'		-KAlSi3O8
β“˜'Chlorite Group'-
β“˜'Sinter
var. Siliceous sinter'		-
β“˜'K Feldspar'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hβ“˜ GoethiteΞ±-Fe3+O(OH)
Hβ“˜ JarositeKFe33+(SO4)2(OH)6
Hβ“˜ KaoliniteAl2(Si2O5)(OH)4
Hβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ K Feldspar var. AdulariaKAlSi3O8
Oβ“˜ CalciteCaCO3
Oβ“˜ Quartz var. ChalcedonySiO2
Oβ“˜ CryptomelaneK(Mn74+Mn3+)O16
Oβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oβ“˜ GoethiteΞ±-Fe3+O(OH)
Oβ“˜ HematiteFe2O3
Oβ“˜ JarositeKFe33+(SO4)2(OH)6
Oβ“˜ KaoliniteAl2(Si2O5)(OH)4
Oβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Oβ“˜ QuartzSiO2
Oβ“˜ SanidineK(AlSi3O8)
NaSodium
Naβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mgβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Alβ“˜ K Feldspar var. AdulariaKAlSi3O8
Alβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alβ“˜ KaoliniteAl2(Si2O5)(OH)4
Alβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Alβ“˜ SanidineK(AlSi3O8)
SiSilicon
Siβ“˜ K Feldspar var. AdulariaKAlSi3O8
Siβ“˜ Quartz var. ChalcedonySiO2
Siβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siβ“˜ KaoliniteAl2(Si2O5)(OH)4
Siβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Siβ“˜ QuartzSiO2
Siβ“˜ SanidineK(AlSi3O8)
SSulfur
Sβ“˜ AcanthiteAg2S
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ CovelliteCuS
Sβ“˜ DigeniteCu9S5
Sβ“˜ FamatiniteCu3SbS4
Sβ“˜ GalenaPbS
Sβ“˜ JarositeKFe33+(SO4)2(OH)6
Sβ“˜ MarcasiteFeS2
Sβ“˜ Pearceite[Ag6As2S7][Ag9CuS4]
Sβ“˜ PetrovskaiteAuAgS
Sβ“˜ Polybasite[Ag6Sb2S7][Ag9CuS4]
Sβ“˜ ProustiteAg3AsS3
Sβ“˜ PyrargyriteAg3SbS3
Sβ“˜ PyriteFeS2
Sβ“˜ PyrrhotiteFe1-xS
Sβ“˜ SphaleriteZnS
Sβ“˜ StromeyeriteAgCuS
Sβ“˜ UytenbogaardtiteAg3AuS2
KPotassium
Kβ“˜ K Feldspar var. AdulariaKAlSi3O8
Kβ“˜ CryptomelaneK(Mn74+Mn3+)O16
Kβ“˜ JarositeKFe33+(SO4)2(OH)6
Kβ“˜ SanidineK(AlSi3O8)
CaCalcium
Caβ“˜ CalciteCaCO3
Caβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MnManganese
Mnβ“˜ CryptomelaneK(Mn74+Mn3+)O16
FeIron
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feβ“˜ GoethiteΞ±-Fe3+O(OH)
Feβ“˜ HematiteFe2O3
Feβ“˜ JarositeKFe33+(SO4)2(OH)6
Feβ“˜ MarcasiteFeS2
Feβ“˜ PyriteFeS2
Feβ“˜ PyrrhotiteFe1-xS
CuCopper
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ CovelliteCuS
Cuβ“˜ DigeniteCu9S5
Cuβ“˜ FamatiniteCu3SbS4
Cuβ“˜ Pearceite[Ag6As2S7][Ag9CuS4]
Cuβ“˜ Polybasite[Ag6Sb2S7][Ag9CuS4]
Cuβ“˜ StromeyeriteAgCuS
ZnZinc
Znβ“˜ SphaleriteZnS
AsArsenic
Asβ“˜ Pearceite[Ag6As2S7][Ag9CuS4]
Asβ“˜ ProustiteAg3AsS3
AgSilver
Agβ“˜ AcanthiteAg2S
Agβ“˜ Gold var. Electrum(Au,Ag)
Agβ“˜ Pearceite[Ag6As2S7][Ag9CuS4]
Agβ“˜ PetrovskaiteAuAgS
Agβ“˜ Polybasite[Ag6Sb2S7][Ag9CuS4]
Agβ“˜ ProustiteAg3AsS3
Agβ“˜ PyrargyriteAg3SbS3
Agβ“˜ StromeyeriteAgCuS
Agβ“˜ UytenbogaardtiteAg3AuS2
SbAntimony
Sbβ“˜ FamatiniteCu3SbS4
Sbβ“˜ Polybasite[Ag6Sb2S7][Ag9CuS4]
Sbβ“˜ PyrargyriteAg3SbS3
AuGold
Auβ“˜ Gold var. Electrum(Au,Ag)
Auβ“˜ GoldAu
Auβ“˜ PetrovskaiteAuAgS
Auβ“˜ UytenbogaardtiteAg3AuS2
PbLead
Pbβ“˜ GalenaPbS

Other Databases

Link to USGS MRDS:10048812

Other Regions, Features and Areas containing this locality

North America
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

Szarkowski, J. (2019). Resource Estimation and Simulation at West Butte in the McDonald Gold Deposit Near Lincoln, Montana. Montana Tech of The University of Montana. Masters thesis.
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