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Western Margin Duluth Complex, Duluth Complex, Minnesota, USAi
Regional Level Types
Western Margin Duluth ComplexComplex
Duluth ComplexComplex
MinnesotaState
USACountry

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PhotosSearch
Latitude & Longitude (WGS84):
47° North , 92° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~36km
Type:
Mindat Locality ID:
167667
Long-form identifier:
mindat:1:2:167667:2
GUID (UUID V4):
85b0b46d-bea5-4a94-ad39-7fb14eefb35e


No description has been added for this locality. Can you add one?

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

35 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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Amphibole Supergroup var. Uralite'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Bismuth
Formula: Bi
Bornite
Formula: Cu5FeS4
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Cobaltite
Formula: CoAsS
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Covellite
Formula: CuS
Cubanite
Formula: CuFe2S3
Digenite
Formula: Cu9S5
'Fayalite-Forsterite Series'
Forsterite
Formula: Mg2SiO4
Galena
Formula: PbS
Gersdorffite
Formula: NiAsS
Graphite
Formula: C
Ilmenite
Formula: Fe2+TiO3
Localities: Reported from at least 10 localities in this region.
Löllingite
Formula: FeAs2
Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 10 localities in this region.
Marcasite
Formula: FeS2
Maucherite
Formula: Ni11As8
'Monazite' ?
Formula: REE(PO4)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Nickeline
Formula: NiAs
Pentlandite
Formula: (NixFey)Σ9S8
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Pyrite
Formula: FeS2
Pyrite var. Bravoite
Formula: (Fe,Ni)S2
'Pyroxene Group'
Formula: ADSi2O6
Pyrrhotite
Formula: Fe1-xS
Rammelsbergite
Formula: NiAs2
Safflorite
Formula: (Co,Ni,Fe)As2
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Silver
Formula: Ag
Sperrylite
Formula: PtAs2
Sphalerite
Formula: ZnS
Stibiopalladinite
Formula: Pd5Sb2
Tetradymite
Formula: Bi2Te2S
Uraninite
Formula: UO2
Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
Description: with uraninite and galena
Yarrowite
Formula: Cu9S8

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Bismuth1.CA.05Bi
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Maucherite2.AB.15Ni11As8
Stibiopalladinite2.AC.20aPd5Sb2
Digenite2.BA.10Cu9S5
Bornite2.BA.15Cu5FeS4
Pentlandite2.BB.15(NixFey)Σ9S8
Covellite2.CA.05aCuS
Yarrowite2.CA.05dCu9S8
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Cubanite2.CB.55aCuFe2S3
Nickeline2.CC.05NiAs
Pyrrhotite2.CC.10Fe1-xS
Galena2.CD.10PbS
Tetradymite2.DC.05Bi2Te2S
Pyrite
var. Bravoite
2.EB.05a(Fe,Ni)S2
Sperrylite2.EB.05aPtAs2
Pyrite2.EB.05aFeS2
Marcasite2.EB.10aFeS2
Rammelsbergite2.EB.15aNiAs2
Löllingite2.EB.15aFeAs2
Safflorite2.EB.15a(Co,Ni,Fe)As2
Gersdorffite2.EB.25NiAsS
Cobaltite2.EB.25CoAsS
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Ilmenite4.CB.05Fe2+TiO3
Uraninite4.DL.05UO2
Group 9 - Silicates
Forsterite9.AC.05Mg2SiO4
Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Pyroxene Group'-ADSi2O6
'Serpentine Subgroup'-D3[Si2O5](OH)4
'Monazite' ?-REE(PO4)
'Fayalite-Forsterite Series'-
'Amphibole Supergroup
var. Uralite'
-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
''-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Chlorite Group'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
H Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
H Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H PrehniteCa2Al2Si3O10(OH)2
H Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4
H ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
C GraphiteC
OOxygen
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O ForsteriteMg2SiO4
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O MonaziteREE(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O PrehniteCa2Al2Si3O10(OH)2
O Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O UraniniteUO2
O UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Pyroxene GroupADSi2O6
O Serpentine SubgroupD3[Si2O5](OH)4
O ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
F Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg ForsteriteMg2SiO4
AlAluminium
Al Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al PrehniteCa2Al2Si3O10(OH)2
Al Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si ForsteriteMg2SiO4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si PrehniteCa2Al2Si3O10(OH)2
Si Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Pyroxene GroupADSi2O6
Si Serpentine SubgroupD3[Si2O5](OH)4
PPhosphorus
P MonaziteREE(PO4)
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S BorniteCu5FeS4
S Pyrite var. Bravoite(Fe,Ni)S2
S ChalcopyriteCuFeS2
S CobaltiteCoAsS
S CovelliteCuS
S CubaniteCuFe2S3
S DigeniteCu9S5
S GalenaPbS
S GersdorffiteNiAsS
S MarcasiteFeS2
S Pentlandite(NixFey)Σ9S8
S PyriteFeS2
S PyrrhotiteFe1-xS
S SphaleriteZnS
S TetradymiteBi2Te2S
S YarrowiteCu9S8
ClChlorine
Cl Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca PrehniteCa2Al2Si3O10(OH)2
Ca UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti IlmeniteFe2+TiO3
Ti Amphibole Supergroup var. UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe BorniteCu5FeS4
Fe Pyrite var. Bravoite(Fe,Ni)S2
Fe ChalcopyriteCuFeS2
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe CubaniteCuFe2S3
Fe IlmeniteFe2+TiO3
Fe LöllingiteFeAs2
Fe MagnetiteFe2+Fe23+O4
Fe MarcasiteFeS2
Fe Pentlandite(NixFey)Σ9S8
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe Safflorite(Co,Ni,Fe)As2
CoCobalt
Co CobaltiteCoAsS
Co Safflorite(Co,Ni,Fe)As2
NiNickel
Ni Pyrite var. Bravoite(Fe,Ni)S2
Ni GersdorffiteNiAsS
Ni MaucheriteNi11As8
Ni NickelineNiAs
Ni Pentlandite(NixFey)Σ9S8
Ni RammelsbergiteNiAs2
Ni Safflorite(Co,Ni,Fe)As2
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu CovelliteCuS
Cu CubaniteCuFe2S3
Cu DigeniteCu9S5
Cu YarrowiteCu9S8
ZnZinc
Zn SphaleriteZnS
AsArsenic
As CobaltiteCoAsS
As GersdorffiteNiAsS
As LöllingiteFeAs2
As MaucheriteNi11As8
As NickelineNiAs
As RammelsbergiteNiAs2
As Safflorite(Co,Ni,Fe)As2
As SperrylitePtAs2
PdPalladium
Pd StibiopalladinitePd5Sb2
AgSilver
Ag SilverAg
SbAntimony
Sb StibiopalladinitePd5Sb2
TeTellurium
Te TetradymiteBi2Te2S
PtPlatinum
Pt SperrylitePtAs2
PbLead
Pb GalenaPbS
BiBismuth
Bi BismuthBi
Bi TetradymiteBi2Te2S
UUranium
U UraniniteUO2
U UranophaneCa(UO2)2(SiO3OH)2 · 5H2O

Localities in this Region

Other Regions, Features and Areas that Intersect


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

 
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