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Ohio Mines (Imperial Mine; Webster Mine), Imperial Heights, Baraga County, Michigan, USAi
Regional Level Types
Ohio Mines (Imperial Mine; Webster Mine)Group of Mines
Imperial Heights- not defined -
Baraga CountyCounty
MichiganState
USACountry

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Latitude & Longitude (WGS84):
46° 32' 16'' North , 88° 10' 16'' West
Latitude & Longitude (decimal):
46.53778,-88.17111
GeoHash:
G#: f0329xgy0
GRN:
N32W44
Type:
Group of Mines
KΓΆppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Michigamme271 (2017)4.7km
Republic570 (2017)20.9km
L'Anse1,934 (2017)32.5km
Zeba480 (2017)34.8km
Baraga1,996 (2017)36.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Ishpeming Rock and Mineral ClubIshpeming, Michigan39km
Mindat Locality ID:
17166
Long-form identifier:
mindat:1:2:17166:6
GUID (UUID V4):
01889a90-6801-4da8-a44e-a0d05bdf4d26


A group of two mines located at Imperial Heights near Michigamme. The mines worked the Proterozoic Bijiki Iron-formation unit of the Michigamme Formation.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


16 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“˜ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜ Analcime
Formula: Na(AlSi2O6) · H2O
β“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
β“˜ Calcite
Formula: CaCO3
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ Dolomite
Formula: CaMg(CO3)2
β“˜ 'Garnet Group'
Formula: X3Z2(SiO4)3
β“˜ Goethite
Formula: Ξ±-Fe3+O(OH)
β“˜ Graphite
Formula: C
β“˜ Grunerite
Formula: ◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2
β“˜ Gypsum
Formula: CaSO4 · 2H2O
β“˜ Hematite
Formula: Fe2O3
β“˜ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
β“˜ 'Limonite'
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
β“˜ Marcasite
Formula: FeS2
β“˜ 'Mica Group'
β“˜ Palygorskite
Formula: ◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
β“˜ Quartz var. Amethyst
Formula: SiO2
β“˜ Sphalerite
Formula: ZnS

Gallery:

Ca5(PO4)3(Cl/F/OH)β“˜ 'Apatite'
CaCO3β“˜ Calcite
CaMg(CO3)2β“˜ Dolomite
Ξ±-Fe3+O(OH)β“˜ Goethite
Fe2O3β“˜ Hematite
FeS2β“˜ Marcasite
◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2Oβ“˜ Palygorskite
FeS2β“˜ Pyrite

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Pyrite2.EB.05aFeS2
β“˜Marcasite2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
β“˜Goethite4.00.Ξ±-Fe3+O(OH)
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Hematite4.CB.05Fe2O3
β“˜Quartz4.DA.05SiO2
β“˜var. Amethyst4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Gypsum7.CD.40CaSO4 Β· 2H2O
Group 9 - Silicates
β“˜Grunerite9.DE.05β—»{Fe2+2}{Fe2+5}(Si8O22)(OH)2
β“˜Actinolite9.DE.10β—»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜Palygorskite9.EE.20β—»Al2Mg2β—»2Si8O20(OH)2(H2O)4 Β· 4H2O
β“˜Analcime9.GB.05Na(AlSi2O6) Β· H2O
Unclassified
β“˜'Garnet Group'-X3Z2(SiO4)3
β“˜'Limonite'-
β“˜'Hornblende Root Name Group'-β—»Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
β“˜'Mica Group'-
β“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hβ“˜ AnalcimeNa(AlSi2O6) · H2O
Hβ“˜ GoethiteΞ±-Fe3+O(OH)
Hβ“˜ Grunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
Hβ“˜ GypsumCaSO4 · 2H2O
Hβ“˜ Palygorskite◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O
Hβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cβ“˜ CalciteCaCO3
Cβ“˜ DolomiteCaMg(CO3)2
Cβ“˜ GraphiteC
OOxygen
Oβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oβ“˜ Quartz var. AmethystSiO2
Oβ“˜ AnalcimeNa(AlSi2O6) · H2O
Oβ“˜ CalciteCaCO3
Oβ“˜ DolomiteCaMg(CO3)2
Oβ“˜ GoethiteΞ±-Fe3+O(OH)
Oβ“˜ Grunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
Oβ“˜ GypsumCaSO4 · 2H2O
Oβ“˜ HematiteFe2O3
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ Palygorskite◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O
Oβ“˜ QuartzSiO2
Oβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oβ“˜ Garnet GroupX3Z2(SiO4)3
Oβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naβ“˜ AnalcimeNa(AlSi2O6) · H2O
MgMagnesium
Mgβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgβ“˜ DolomiteCaMg(CO3)2
Mgβ“˜ Palygorskite◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O
AlAluminium
Alβ“˜ AnalcimeNa(AlSi2O6) · H2O
Alβ“˜ Palygorskite◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O
Alβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Siβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siβ“˜ Quartz var. AmethystSiO2
Siβ“˜ AnalcimeNa(AlSi2O6) · H2O
Siβ“˜ Grunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
Siβ“˜ Palygorskite◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O
Siβ“˜ QuartzSiO2
Siβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siβ“˜ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ GypsumCaSO4 · 2H2O
Sβ“˜ MarcasiteFeS2
Sβ“˜ PyriteFeS2
Sβ“˜ SphaleriteZnS
ClChlorine
Clβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Clβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
CaCalcium
Caβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caβ“˜ CalciteCaCO3
Caβ“˜ DolomiteCaMg(CO3)2
Caβ“˜ GypsumCaSO4 · 2H2O
Caβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
FeIron
Feβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ GoethiteΞ±-Fe3+O(OH)
Feβ“˜ Grunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
Feβ“˜ HematiteFe2O3
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ MarcasiteFeS2
Feβ“˜ PyriteFeS2
CuCopper
Cuβ“˜ ChalcopyriteCuFeS2
ZnZinc
Znβ“˜ SphaleriteZnS

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

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

Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 108.
Cannon, W.F. (1999) Digital Geologic Map of the Penokean Continental Margin, Northern Michigan and Wisconsin, U.S. Geological Survey Open-File Report 99-547, Reston, VA.
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