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Horton Mine (Imperial Mine; Midnight Mine; Silver Chief Mine; True Fissure Mine), Durango & Moorlight Group (Durango & Moonlight Group), Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USAi
Regional Level Types
Horton Mine (Imperial Mine; Midnight Mine; Silver Chief Mine; True Fissure Mine)Mine
Durango & Moorlight Group (Durango & Moonlight Group)- not defined -
Philipsburg Mining District (Flint Creek Mining District)Mining District
Granite CountyCounty
MontanaState
USACountry

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PhotosMapsSearchMineralogy
02954680017272073697826.jpg
True Fissure Mine

Horton Mine, Durango & Moorlight Group, Philipsburg Mining District, Granite County, Montana, USA
05533000017272073698491.jpg
True Fissure Mine above ground works

Horton Mine, Durango & Moorlight Group, Philipsburg Mining District, Granite County, Montana, USA
07456390017272073696667.jpg
Baryte, etc.

Horton Mine, Durango & Moorlight Group, Philipsburg Mining District, Granite County, Montana, USA
02954680017272073697826.jpg
True Fissure Mine

Horton Mine, Durango & Moorlight Group, Philipsburg Mining District, Granite County, Montana, USA
05533000017272073698491.jpg
True Fissure Mine above ground works

Horton Mine, Durango & Moorlight Group, Philipsburg Mining District, Granite County, Montana, USA
07456390017272073696667.jpg
Baryte, etc.

Horton Mine, Durango & Moorlight Group, Philipsburg Mining District, Granite County, Montana, USA
07060360017272073709179.jpg
True Fissure Mine

Horton Mine, Durango & Moorlight Group, Philipsburg Mining District, Granite County, Montana, USA
05533000017272073698491.jpg
True Fissure Mine above ground works

Horton Mine, Durango & Moorlight Group, Philipsburg Mining District, Granite County, Montana, USA
Latitude & Longitude (WGS84):
46° 20' 5'' North , 113° 15' 54'' West
Latitude & Longitude (decimal):
46.33472,-113.26500
GRN:
N31W58
Type:
Mine
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Philipsburg884 (2017)2.3km
Maxville130 (2011)14.6km
Anaconda9,417 (2011)33.8km
Drummond336 (2017)38.1km
Warm Springs3,000 (2013)40.7km
Mindat Locality ID:
45241
Long-form identifier:
mindat:1:2:45241:9
GUID (UUID V4):
0


Sec. 30, T 7 N, R 13 W.
Commodities (Major) - Manganese; (Trace) - Silver, Zinc, Lead
Development Status: Past Producer

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


22 valid minerals.

Detailed Mineral List:

ⓘ Baryte
Formula: BaSO4
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcophanite
Formula: ZnMn4+3O7 · 3H2O
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Covellite
Formula: CuS
ⓘ Cuprite
Formula: Cu2O
ⓘ Duftite
Formula: PbCu(AsO4)(OH)
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Hetaerolite
Formula: ZnMn2O4
ⓘ Native Gold
Formula: Au
ⓘ Nsutite
Formula: (Mn4+,Mn2+)(O,OH)2
ⓘ 'Psilomelane'
ⓘ Pyrargyrite
Formula: Ag3SbS3
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrolusite
Formula: Mn4+O2
ⓘ Pyromorphite
Formula: Pb5(PO4)3Cl
ⓘ Quartz
Formula: SiO2
ⓘ Rhodochrosite
Formula: MnCO3
ⓘ Smithsonite
Formula: ZnCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tennantite Subgroup'
Formula: Cu6(Cu4C2+2)As4S12S
ⓘ Todorokite
Formula: (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘPyrargyrite2.GA.05Ag3SbS3
ⓘ'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘCuprite4.AA.10Cu2O
ⓘHetaerolite4.BB.10ZnMn2O4
ⓘQuartz4.DA.05SiO2
ⓘPyrolusite4.DB.05Mn4+O2
ⓘNsutite4.DB.15c(Mn4+,Mn2+)(O,OH)2
ⓘTodorokite4.DK.10(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
ⓘChalcophanite4.FL.20ZnMn4+3O7 · 3H2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘRhodochrosite5.AB.05MnCO3
ⓘSmithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
ⓘDuftite8.BH.35PbCu(AsO4)(OH)
ⓘPyromorphite8.BN.05Pb5(PO4)3Cl
Unclassified
ⓘ'Psilomelane'-

List of minerals for each chemical element

HHydrogen
Hⓘ ChalcophaniteZnMn34+O7 · 3H2O
Hⓘ DuftitePbCu(AsO4)(OH)
Hⓘ Nsutite(Mn4+,Mn2+)(O,OH)2
Hⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
CCarbon
Cⓘ CalciteCaCO3
Cⓘ RhodochrositeMnCO3
Cⓘ SmithsoniteZnCO3
OOxygen
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ ChalcophaniteZnMn34+O7 · 3H2O
Oⓘ CupriteCu2O
Oⓘ DuftitePbCu(AsO4)(OH)
Oⓘ HetaeroliteZnMn2O4
Oⓘ Nsutite(Mn4+,Mn2+)(O,OH)2
Oⓘ PyrolusiteMn4+O2
Oⓘ PyromorphitePb5(PO4)3Cl
Oⓘ QuartzSiO2
Oⓘ RhodochrositeMnCO3
Oⓘ SmithsoniteZnCO3
Oⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
FFluorine
Fⓘ FluoriteCaF2
NaSodium
Naⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
MgMagnesium
Mgⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
AlAluminium
Alⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
SiSilicon
Siⓘ QuartzSiO2
PPhosphorus
Pⓘ PyromorphitePb5(PO4)3Cl
SSulfur
Sⓘ BaryteBaSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ CovelliteCuS
Sⓘ GalenaPbS
Sⓘ PyrargyriteAg3SbS3
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
ClChlorine
Clⓘ PyromorphitePb5(PO4)3Cl
KPotassium
Kⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ FluoriteCaF2
Caⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
MnManganese
Mnⓘ ChalcophaniteZnMn34+O7 · 3H2O
Mnⓘ HetaeroliteZnMn2O4
Mnⓘ Nsutite(Mn4+,Mn2+)(O,OH)2
Mnⓘ PyrolusiteMn4+O2
Mnⓘ RhodochrositeMnCO3
Mnⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ CovelliteCuS
Cuⓘ CupriteCu2O
Cuⓘ DuftitePbCu(AsO4)(OH)
Cuⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
ZnZinc
Znⓘ ChalcophaniteZnMn34+O7 · 3H2O
Znⓘ HetaeroliteZnMn2O4
Znⓘ SmithsoniteZnCO3
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ DuftitePbCu(AsO4)(OH)
Asⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
SrStrontium
Srⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
AgSilver
Agⓘ PyrargyriteAg3SbS3
SbAntimony
Sbⓘ PyrargyriteAg3SbS3
BaBarium
Baⓘ BaryteBaSO4
Baⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ DuftitePbCu(AsO4)(OH)
Pbⓘ GalenaPbS
Pbⓘ PyromorphitePb5(PO4)3Cl

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

MONTANA DEPARTMENT OF STATE LANDS. ABANDONED HARDROCK MINES PRIORITY SITES, SUMMARY REPORT, MARCH 1994, P. 5-77.
U.S. GEOLOGICAL SURVEY PAPER 78, 1913, 271 P.
U.S. GEOLOGICAL SURVEY BULLETIN 725C, 1922, P. 1
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