Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Heddleston (Anaconda Mine - 0300490146; Mike Horse Mine - 0300490362; Carbonate Mine - 0300490040; Heddleston Deposit; Paymaster Mine - 0300490242; Midnight Mine - 0300490284; Heddleston Group), Seven-Up Pete Mining District, Lewis and Clark County, Montana, USAi
Regional Level Types
Heddleston (Anaconda Mine - 0300490146; Mike Horse Mine - 0300490362; Carbonate Mine - 0300490040; Heddleston Deposit; Paymaster Mine - 0300490242; Midnight Mine - 0300490284; Heddleston Group)- not defined -
Seven-Up Pete Mining DistrictMining District
Lewis and Clark CountyCounty
MontanaState
USACountry

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Latitude & Longitude (WGS84):
47° 1' 32'' North , 112° 21' 35'' West
Latitude & Longitude (decimal):
47.02583,-112.36000
GRN:
N32W56
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Lincoln1,013 (2011)25.6km
Helena Valley Northwest3,482 (2011)40.0km
Helena Valley West Central7,883 (2011)46.3km
Helena Valley Northeast2,995 (2011)47.8km
Avon111 (2011)51.1km
Mindat Locality ID:
162015
Long-form identifier:
mindat:1:2:162015:6
GUID (UUID V4):
0


REF:Deposit::
Production:: PARDEE, 1933, USGS BULL. 842
Deposit:: MILLER, R.N. GEOLOGY OF THE HEDDLESTON COPPER-MOLYBDENITE
Deposit:: DEPOSIT, LEWIS AND CLARK COUNTY, MT. PROCEEDINGS OF THE
Deposit:: 1973 PACIFIC NW MINING AND METALS CONFERENCE, APRIL 1973.
Development Status: Producer
Deposit Model: 53: Porphyry Cu
Host Rock: Diorite

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


17 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Clay minerals'
ⓘ Covellite
Formula: CuS
ⓘ Galena
Formula: PbS
ⓘ Halloysite
Formula: Al2Si2O5(OH)4 · n(H2O)
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ 'K Feldspar'
ⓘ Marcasite
Formula: FeS2
ⓘ Molybdenite
Formula: MoS2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Plumbogummite
Formula: PbAl3(PO4)(PO3OH)(OH)6
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Rhodochrosite
Formula: MnCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tennantite Subgroup'
Formula: Cu6(Cu4C2+2)As4S12S
ⓘ 'Tennantite Subgroup var. Zinc-bearing Tennantite'
Formula: Cu6[Cu4(Fe,Zn)2]As4S13
ⓘ 'Tetrahedrite Group'
Formula: M2(A6)M1(B4 C2)X3(D4)S1(Y12)S2(Z)
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
ⓘ Tetrahedrite-(Zn)
Formula: Cu6(Cu4Zn2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘBornite2.BA.15Cu5FeS4
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
ⓘ'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
ⓘ'Tennantite Subgroup
var. Zinc-bearing Tennantite'		2.GB.05Cu6[Cu4(Fe,Zn)2]As4S13
ⓘTetrahedrite-(Zn)2.GB.05Cu6(Cu4Zn2)Sb4S12S
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘRhodochrosite5.AB.05MnCO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘPlumbogummite8.BL.10PbAl3(PO4)(PO3OH)(OH)6
Group 9 - Silicates
ⓘMuscovite
var. Illite		9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘHalloysite9.ED.10Al2Si2O5(OH)4 · n(H2O)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Clay minerals'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Tetrahedrite Group'-M2(A6)M1(B4 C2)X3(D4)S1(Y12)S2(Z)

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ HalloysiteAl2Si2O5(OH)4 · n(H2O)
Hⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ RhodochrositeMnCO3
OOxygen
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ HalloysiteAl2Si2O5(OH)4 · n(H2O)
Oⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
Oⓘ QuartzSiO2
Oⓘ RhodochrositeMnCO3
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ HalloysiteAl2Si2O5(OH)4 · n(H2O)
Alⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ HalloysiteAl2Si2O5(OH)4 · n(H2O)
Siⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
Pⓘ PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ CovelliteCuS
Sⓘ GalenaPbS
Sⓘ MarcasiteFeS2
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sⓘ Tennantite Subgroup var. Zinc-bearing TennantiteCu6[Cu4(Fe,Zn)2]As4S13
Sⓘ Tetrahedrite GroupM2(A6)M1(B4 C2)X3(D4)S1(Y12)S2(Z)
Sⓘ Tetrahedrite-(Zn)Cu6(Cu4Zn2)Sb4S12S
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MnManganese
Mnⓘ RhodochrositeMnCO3
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Tennantite Subgroup var. Zinc-bearing TennantiteCu6[Cu4(Fe,Zn)2]As4S13
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ CovelliteCuS
Cuⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Cuⓘ Tennantite Subgroup var. Zinc-bearing TennantiteCu6[Cu4(Fe,Zn)2]As4S13
Cuⓘ Tetrahedrite-(Zn)Cu6(Cu4Zn2)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
Znⓘ Tennantite Subgroup var. Zinc-bearing TennantiteCu6[Cu4(Fe,Zn)2]As4S13
Znⓘ Tetrahedrite-(Zn)Cu6(Cu4Zn2)Sb4S12S
AsArsenic
Asⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
Asⓘ Tennantite Subgroup var. Zinc-bearing TennantiteCu6[Cu4(Fe,Zn)2]As4S13
MoMolybdenum
Moⓘ MolybdeniteMoS2
SbAntimony
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sbⓘ Tetrahedrite-(Zn)Cu6(Cu4Zn2)Sb4S12S
PbLead
Pbⓘ GalenaPbS
Pbⓘ PlumbogummitePbAl3(PO4)(PO3OH)(OH)6

Other Databases

Link to USGS MRDS:10008990

Other Regions, Features and Areas containing this locality

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

PARDEE, J.T., AND SCHRADER, F.C., (1933) METALLIFEROUS DEPOSITS OF THE GREATER HELENA MINING REGION, MONTANA: USGS BULL. 842, P. 87-10
Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155
Schubert, B. (2017). Mineralogy and Geochemistry of the Heddleston Porphyry Cu-Mo Deposit, Montana. Graduate Theses & Non-Theses. 114 Montana Tech
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