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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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Latitude & Longitude (WGS84):
46° 20' 5'' North , 113° 15' 54'' West
Latitude & Longitude (decimal):
46.33472,-113.26500
GeoHash:
G#: c2prwdfzq
GRN:
N31W58
Type:
Mine
KΓΆppen 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):
b9fb7214-1b9a-4f93-9598-b728f3385c8b


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:

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

Gallery:

MnCO3β“˜ Rhodochrosite

List of minerals arranged by Strunz 10th Edition classification

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

List of minerals for each chemical element

HHydrogen
Hβ“˜ ChalcophaniteZnMn34+O7 · 3H2O
Hβ“˜ DuftitePbCu(AsO4)(OH)
Hβ“˜ Nsutite(Mn4+,Mn2+)(O,OH)2
Hβ“˜ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
CCarbon
Cβ“˜ CalciteCaCO3
Cβ“˜ RhodochrositeMnCO3
Cβ“˜ SmithsoniteZnCO3
OOxygen
Oβ“˜ BaryteBaSO4
Oβ“˜ CalciteCaCO3
Oβ“˜ ChalcophaniteZnMn34+O7 · 3H2O
Oβ“˜ CupriteCu2O
Oβ“˜ DuftitePbCu(AsO4)(OH)
Oβ“˜ HetaeroliteZnMn2O4
Oβ“˜ Nsutite(Mn4+,Mn2+)(O,OH)2
Oβ“˜ PyrolusiteMn4+O2
Oβ“˜ PyromorphitePb5(PO4)3Cl
Oβ“˜ QuartzSiO2
Oβ“˜ RhodochrositeMnCO3
Oβ“˜ SmithsoniteZnCO3
Oβ“˜ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
FFluorine
Fβ“˜ FluoriteCaF2
NaSodium
Naβ“˜ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
MgMagnesium
Mgβ“˜ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
AlAluminium
Alβ“˜ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
SiSilicon
Siβ“˜ QuartzSiO2
PPhosphorus
Pβ“˜ PyromorphitePb5(PO4)3Cl
SSulfur
Sβ“˜ BaryteBaSO4
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ ChalcociteCu2S
Sβ“˜ CovelliteCuS
Sβ“˜ GalenaPbS
Sβ“˜ PyrargyriteAg3SbS3
Sβ“˜ PyriteFeS2
Sβ“˜ SphaleriteZnS
Sβ“˜ Tennantite SubgroupCu6(Cu4C22+)As4S12S
ClChlorine
Clβ“˜ PyromorphitePb5(PO4)3Cl
KPotassium
Kβ“˜ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
CaCalcium
Caβ“˜ CalciteCaCO3
Caβ“˜ FluoriteCaF2
Caβ“˜ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
MnManganese
Mnβ“˜ ChalcophaniteZnMn34+O7 · 3H2O
Mnβ“˜ HetaeroliteZnMn2O4
Mnβ“˜ Nsutite(Mn4+,Mn2+)(O,OH)2
Mnβ“˜ PyrolusiteMn4+O2
Mnβ“˜ RhodochrositeMnCO3
Mnβ“˜ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
FeIron
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ PyriteFeS2
CuCopper
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChalcociteCu2S
Cuβ“˜ CovelliteCuS
Cuβ“˜ CupriteCu2O
Cuβ“˜ DuftitePbCu(AsO4)(OH)
Cuβ“˜ Tennantite SubgroupCu6(Cu4C22+)As4S12S
ZnZinc
Znβ“˜ ChalcophaniteZnMn34+O7 · 3H2O
Znβ“˜ HetaeroliteZnMn2O4
Znβ“˜ SmithsoniteZnCO3
Znβ“˜ SphaleriteZnS
AsArsenic
Asβ“˜ DuftitePbCu(AsO4)(OH)
Asβ“˜ Tennantite SubgroupCu6(Cu4C22+)As4S12S
SrStrontium
Srβ“˜ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
AgSilver
Agβ“˜ PyrargyriteAg3SbS3
SbAntimony
Sbβ“˜ PyrargyriteAg3SbS3
BaBarium
Baβ“˜ BaryteBaSO4
Baβ“˜ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
AuGold
Auβ“˜ GoldAu
PbLead
Pbβ“˜ DuftitePbCu(AsO4)(OH)
Pbβ“˜ GalenaPbS
Pbβ“˜ PyromorphitePb5(PO4)3Cl

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

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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