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Gloria mine (Donahue mine; McKensie mine; Lauretta Manganiferous Mines), Cuyuna North Range, Crow Wing County, Minnesota, USAi
Regional Level Types
Gloria mine (Donahue mine; McKensie mine; Lauretta Manganiferous Mines)Mine (Abandoned)
Cuyuna North RangeMountain Range
Crow Wing CountyCounty
MinnesotaState
USACountry

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Latitude & Longitude (WGS84):
46° 31' 27'' North , 94° 0' 9'' West
Latitude & Longitude (decimal):
46.52439,-94.00275
GRN:
N32W47
Type:
Mine (Abandoned) - last checked 2023
Deposit first discovered:
1916
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Trommald101 (2017)2.4km
Ironton561 (2017)5.6km
Crosby2,345 (2017)5.8km
Cuyuna346 (2017)6.2km
Riverton116 (2017)8.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Cuyuna Rock, Gem and Mineral SocietyBrainerd, Minnesota24km
Mindat Locality ID:
52888
Long-form identifier:
mindat:1:2:52888:2
GUID (UUID V4):
0


The Gloria Mine (Sec 28 T47N R29W) was an underground mine that shipped manganiferous iron ore sporadically between 1991 and 1930. It worked the Proterozoic Trommald Formation.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

12 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Cryptomelane
Formula: K(Mn4+7Mn3+)O16
ⓘ Hematite
Formula: Fe2O3
ⓘ Hematite var. Martite
Formula: Fe2O3
ⓘ 'Limonite'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Manganite
Formula: Mn3+O(OH)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrolusite
Formula: Mn4+O2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Stilpnomelane
Formula: (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘvar. Martite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
ⓘPyrolusite4.DB.05Mn4+O2
ⓘCryptomelane4.DK.05aK(Mn4+7Mn3+)O16
ⓘManganite4.FD.15Mn3+O(OH)
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘStilpnomelane9.EG.40(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Limonite'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
Hⓘ ManganiteMn3+O(OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ CryptomelaneK(Mn74+Mn3+)O16
Oⓘ HematiteFe2O3
Oⓘ ManganiteMn3+O(OH)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Hematite var. MartiteFe2O3
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ PyrolusiteMn4+O2
Oⓘ QuartzSiO2
Oⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
NaSodium
Naⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
MgMagnesium
Mgⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
AlAluminium
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
KPotassium
Kⓘ CryptomelaneK(Mn74+Mn3+)O16
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
MnManganese
Mnⓘ CryptomelaneK(Mn74+Mn3+)O16
Mnⓘ ManganiteMn3+O(OH)
Mnⓘ PyrolusiteMn4+O2
FeIron
Feⓘ ArsenopyriteFeAsS
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Hematite var. MartiteFe2O3
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
CuCopper
Cuⓘ ChalcopyriteCuFeS2
AsArsenic
Asⓘ ArsenopyriteFeAsS

Other Databases

Link to USGS MRDS:10291935

Localities in this Region

USA
  • Minnesota
    • Crow Wing County
      • Cuyuna North Range

Other Regions, Features and Areas containing this locality

North AmericaContinent
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

Melcher, Frank, G.B. Morey, Peter L. McSwiggen, Jane M. Cleland and S.E. Brink (1996) Hydrothermal Systems in Manganese-rich Iron-Formation of the Cuyuna North Range, Minnesota: Geochemical and Mineralogical Study of the Gloria Drill Core, Minnesota Geological Survey, Report of Investigations 46, 59 p.
Grout, F. F. & Wolff, J.F. Sr. (1955) The geology of the Cuyuna District, Minnesota: Minnesota Geological Survey Bulletin 36, 144 p.
Schmidt, R.G. (1963) Geology and ore deposits of the Cuyuna North Range, Minnesota: U.S. Geological Survey Professional Paper 407, 96 p.
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