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Ely-Hoyt Lakes Area, St. Louis Co., Minnesota, USAi
Regional Level Types
Ely-Hoyt Lakes AreaArea
St. Louis Co.County
MinnesotaState
USACountry

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Key
Latitude & Longitude (WGS84):
47° North , 91° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~8km
Locality type:


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Regions containing this locality

North America PlateTectonic Plate

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Standard Detailed Strunz Dana 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

58 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Econ Geol (1993) 88:679-696
'Albite-Anorthite Series'
Altaite
Formula: PbTe
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: 5th International Platinum Symposium Bulletin of The Geological Society of Finland Number 61, Part 1,1989,1-64
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Baddeleyite
Formula: ZrO2
Reference: Econ Geol (1993) 88:679-696
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Bornite
Formula: Cu5FeS4
Cabriite
Formula: Pd2CuSn
Reference: Wilson, G. C., Rucklidge, J. C., & Cermignani, C. (2002). COARSE-GRAINED CABRIITE FROM NORIL’SK, RUSSIA. The Canadian Mineralogist, 40(2), 473-479.; McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Calcite
Formula: CaCO3
Reference: Econ Geol (1993) 88:679-696
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Chromite
Formula: Fe2+Cr3+2O4
Reference: Good, D., Borysenko, J., McBride, J., Walford, P., Smyk, M., Hollings, P., ... & Corkery, J. (2010) Cu-Ni-PGE Deposits in Mafic Intrusions of the Lake Superior Region June 24-30, 2010. 11th International Platinum Symposium
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Cobaltite
Formula: CoAsS
Reference: The Canadian Mineralogist Vol.36, pp. 869-886 (1998)
Copper
Formula: Cu
Reference: Good, D., Borysenko, J., McBride, J., Walford, P., Smyk, M., Hollings, P., ... & Corkery, J. (2010) Cu-Ni-PGE Deposits in Mafic Intrusions of the Lake Superior Region June 24-30, 2010. 11th International Platinum Symposium
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Cotunnite
Formula: PbCl2
Reference: McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Covellite
Formula: CuS
Reference: Good, D., Borysenko, J., McBride, J., Walford, P., Smyk, M., Hollings, P., ... & Corkery, J. (2010) Cu-Ni-PGE Deposits in Mafic Intrusions of the Lake Superior Region June 24-30, 2010. 11th International Platinum Symposium
Cubanite
Formula: CuFe2S3
'Dienerite'
Reference: McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Digenite
Formula: Cu9S5
Reference: Good, D., Borysenko, J., McBride, J., Walford, P., Smyk, M., Hollings, P., ... & Corkery, J. (2010) Cu-Ni-PGE Deposits in Mafic Intrusions of the Lake Superior Region June 24-30, 2010. 11th International Platinum Symposium
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Econ Geol (1993) 88:679-696
'Fayalite-Forsterite Series'
Froodite
Formula: α-PdBi2
Galena
Formula: PbS
Gersdorffite
Formula: NiAsS
Reference: The Canadian Mineralogist Vol.36, pp. 869-886 (1998)
Godlevskite
Formula: (Ni,Fe)9S8
Reference: Good, D., Borysenko, J., McBride, J., Walford, P., Smyk, M., Hollings, P., ... & Corkery, J. (2010) Cu-Ni-PGE Deposits in Mafic Intrusions of the Lake Superior Region June 24-30, 2010. 11th International Platinum Symposium
Gold
Formula: Au
Reference: Good, D., Borysenko, J., McBride, J., Walford, P., Smyk, M., Hollings, P., ... & Corkery, J. (2010) Cu-Ni-PGE Deposits in Mafic Intrusions of the Lake Superior Region June 24-30, 2010. 11th International Platinum Symposium
Graphite
Formula: C
Reference: Economic Geology (1980) 75:764-766
Greenalite
Formula: (Fe2+,Fe3+)2-3Si2O5(OH)4
Reference: Econ Geol (1993) 88:679-696
Greenockite
Formula: CdS
Reference: McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Haycockite
Formula: Cu4Fe5S8
Reference: Good, D., Borysenko, J., McBride, J., Walford, P., Smyk, M., Hollings, P., ... & Corkery, J. (2010) Cu-Ni-PGE Deposits in Mafic Intrusions of the Lake Superior Region June 24-30, 2010. 11th International Platinum Symposium
Heazlewoodite
Formula: Ni3S2
'Hornblende'
Reference: Econ Geol (1993) 88:679-696
Ilmenite
Formula: Fe2+TiO3
Irarsite
Formula: (Ir,Ru,Rh,Pt)AsS
Reference: McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Laurionite
Formula: PbCl(OH)
Reference: McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Laurite
Formula: RuS2
Reference: McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Mackinawite
Formula: (Fe,Ni)9S8
Magnetite
Formula: Fe2+Fe3+2O4
Magnetite var: Titaniferous Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
Maucherite
Formula: Ni11As8
Michenerite
Formula: PdBiTe
Reference: McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Millerite
Formula: NiS
Moncheite
Formula: (Pt,Pd)(Te,Bi)2
Reference: McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Mooihoekite
Formula: Cu9Fe9S16
Reference: Good, D., Borysenko, J., McBride, J., Walford, P., Smyk, M., Hollings, P., ... & Corkery, J. (2010) Cu-Ni-PGE Deposits in Mafic Intrusions of the Lake Superior Region June 24-30, 2010. 11th International Platinum Symposium
Nickeline
Formula: NiAs
Parkerite
Formula: Ni3(Bi,Pb)2S2
Reference: McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Pentlandite
Formula: (FexNiy)Σ9S8
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Econ Geol (1993) 88:679-696
Putoranite ?
Formula: Cu1.1Fe1.2S2
Reference: Good, D., Borysenko, J., McBride, J., Walford, P., Smyk, M., Hollings, P., ... & Corkery, J. (2010) Cu-Ni-PGE Deposits in Mafic Intrusions of the Lake Superior Region June 24-30, 2010. 11th International Platinum Symposium
Pyrite
Formula: FeS2
Reference: Desautels, P., Patelke, R., Maunula, T., & Belluz, N. (2007). Technical Report on the Northmet Deposit, Minnesota, USA.
'Pyroxene Group'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrrhotite
Formula: Fe7S8
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Shadlunite
Formula: (Pb,Cd)(Fe,Cu)8S8
Reference: McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Silver
Formula: Ag
Sperrylite
Formula: PtAs2
Reference: Econ Geol (1993) 88:679-696; 5th International Platinum Symposium Bulletin of The Geological Society of Finland Number 61, Part 1,1989,1-64; McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Sphalerite
Formula: ZnS
Spinel
Formula: MgAl2O4
Taimyrite
Formula: (Pd,Cu,Pt)3Sn
Reference: McSwiggen, P. L. (1999) Platinum-palladium group minerals, gold, silver, and cobalt in the Minnamax copper-nickel sulfide deposit, Duluth Complex, northeastern Minnesota. Minnesota Geological Survey Report of Investigations 54
Talnakhite
Formula: Cu9(Fe,Ni)8S16
Troilite
Formula: FeS
Valleriite
Formula: (Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Reference: Desautels, P., Patelke, R., Maunula, T., & Belluz, N. (2007). Technical Report on the Northmet Deposit, Minnesota, USA.
Violarite
Formula: Fe2+Ni3+2S4
Reference: Desautels, P., Patelke, R., Maunula, T., & Belluz, N. (2007). Technical Report on the Northmet Deposit, Minnesota, USA.
Zircon
Formula: Zr(SiO4)
Reference: Econ Geol (1993) 88:679-696

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Cabriite1.AG.30Pd2CuSn
Copper1.AA.05Cu
Gold1.AA.05Au
Graphite1.CB.05aC
Silver1.AA.05Ag
Taimyrite1.AG.15(Pd,Cu,Pt)3Sn
Group 2 - Sulphides and Sulfosalts
Altaite2.CD.10PbTe
Bornite2.BA.15Cu5FeS4
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Cobaltite2.EB.25CoAsS
Covellite2.CA.05aCuS
Cubanite2.CB.55aCuFe2S3
Digenite2.BA.10Cu9S5
Froodite2.AC.45aα-PdBi2
Galena2.CD.10PbS
Gersdorffite2.EB.25NiAsS
Godlevskite2.BB.15(Ni,Fe)9S8
Greenockite2.CB.45CdS
Haycockite2.CB.10bCu4Fe5S8
Heazlewoodite2.BB.05Ni3S2
Irarsite2.EB.25(Ir,Ru,Rh,Pt)AsS
Laurite2.EB.05aRuS2
Mackinawite2.CC.25(Fe,Ni)9S8
Maucherite2.AB.15Ni11As8
Michenerite2.EB.25PdBiTe
Millerite2.CC.20NiS
Moncheite2.EA.20(Pt,Pd)(Te,Bi)2
Mooihoekite2.CB.10bCu9Fe9S16
Nickeline2.CC.05NiAs
Parkerite2.BE.20Ni3(Bi,Pb)2S2
Pentlandite2.BB.15(FexNiy)Σ9S8
Putoranite ?2.CB.10bCu1.1Fe1.2S2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Shadlunite2.BB.15(Pb,Cd)(Fe,Cu)8S8
Sperrylite2.EB.05aPtAs2
Sphalerite2.CB.05aZnS
Talnakhite2.CB.10bCu9(Fe,Ni)8S16
Troilite2.CC.10FeS
Valleriite2.FD.30(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Violarite2.DA.05Fe2+Ni3+2S4
Group 3 - Halides
Cotunnite3.DC.85PbCl2
Laurionite3.DC.05PbCl(OH)
Group 4 - Oxides and Hydroxides
Baddeleyite4.DE.35ZrO2
Chromite4.BB.05Fe2+Cr3+2O4
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
var: Titaniferous Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Greenalite9.ED.15(Fe2+,Fe3+)2-3Si2O5(OH)4
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Dienerite'-
'Fayalite-Forsterite Series'-
'Hornblende'-
'Pyroxene Group'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Gold1.1.1.1Au
Silver1.1.1.2Ag
Platinum Group Metals and Alloys
Cabriite1.2.11.Pd2CuSn
Taimyrite1.2.10.1(Pd,Cu,Pt)3Sn
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 5:2
Parkerite2.3.4.1Ni3(Bi,Pb)2S2
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
Digenite2.4.7.3Cu9S5
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
Heazlewoodite2.5.3.1Ni3S2
AmBnXp, with (m+n):p = 9:8
Godlevskite2.7.4.1(Ni,Fe)9S8
Mackinawite2.7.2.1(Fe,Ni)9S8
Pentlandite2.7.1.1(FexNiy)Σ9S8
Shadlunite2.7.1.4(Pb,Cd)(Fe,Cu)8S8
AmXp, with m:p = 1:1
Altaite2.8.1.3PbTe
Covellite2.8.12.1CuS
Galena2.8.1.1PbS
Greenockite2.8.7.2CdS
Millerite2.8.16.1NiS
Nickeline2.8.11.1NiAs
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
Troilite2.8.9.1FeS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Cubanite2.9.13.1CuFe2S3
Haycockite2.9.8.2Cu4Fe5S8
Mooihoekite2.9.8.3Cu9Fe9S16
Putoranite ?2.9.7.1Cu1.1Fe1.2S2
Talnakhite2.9.8.1Cu9(Fe,Ni)8S16
AmBnXp, with (m+n):p = 3:4
Violarite2.10.1.8Fe2+Ni3+2S4
AmBnXp, with (m+n):p = 1:2
Cobaltite2.12.3.1CoAsS
Froodite2.12.15.1α-PdBi2
Gersdorffite2.12.3.2NiAsS
Irarsite2.12.3.7(Ir,Ru,Rh,Pt)AsS
Laurite2.12.1.10RuS2
Michenerite2.12.3.11PdBiTe
Moncheite2.12.14.3(Pt,Pd)(Te,Bi)2
Pyrite2.12.1.1FeS2
Sperrylite2.12.1.13PtAs2
Hydroxysulfides and Hydrated Sulfides
Valleriite2.14.1.1(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Miscellaneous
Maucherite2.16.16.1Ni11As8
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Baddeleyite4.4.14.1ZrO2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
Group 9 - NORMAL HALIDES
AX2
Cotunnite9.2.7.1PbCl2
Group 10 - OXYHALIDES AND HYDROXYHALIDES
A(O,OH)Xq
Laurionite10.2.2.1PbCl(OH)
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Greenalite71.1.2b.4(Fe2+,Fe3+)2-3Si2O5(OH)4
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Albite-Anorthite Series'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Dienerite'-
'Fayalite-Forsterite Series'-
'Hornblende'-
Magnetite
var: Titaniferous Magnetite
-Fe2+(Fe3+,Ti)2O4
'Pyroxene Group'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H ChrysotileMg3(Si2O5)(OH)4
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H PrehniteCa2Al2Si3O10(OH)2
H Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
H LaurionitePbCl(OH)
CCarbon
C GraphiteC
C CalciteCaCO3
OOxygen
O Magnetite (var: Titaniferous Magnetite)Fe2+(Fe3+,Ti)2O4
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O ChrysotileMg3(Si2O5)(OH)4
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O CalciteCaCO3
O PrehniteCa2Al2Si3O10(OH)2
O Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O ZirconZr(SiO4)
O BaddeleyiteZrO2
O SpinelMgAl2O4
O ApatiteCa5(PO4)3(Cl/F/OH)
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
O ChromiteFe2+Cr23+O4
O LaurionitePbCl(OH)
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
MgMagnesium
Mg ChrysotileMg3(Si2O5)(OH)4
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg SpinelMgAl2O4
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al PrehniteCa2Al2Si3O10(OH)2
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Al SpinelMgAl2O4
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
SiSilicon
Si ChrysotileMg3(Si2O5)(OH)4
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si PrehniteCa2Al2Si3O10(OH)2
Si Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si ZirconZr(SiO4)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S PyrrhotiteFe7S8
S TroiliteFeS
S ChalcopyriteCuFeS2
S CubaniteCuFe2S3
S HeazlewooditeNi3S2
S MilleriteNiS
S Pentlandite(FexNiy)Σ9S8
S BorniteCu5FeS4
S SphaleriteZnS
S Mackinawite(Fe,Ni)9S8
S CobaltiteCoAsS
S GersdorffiteNiAsS
S TalnakhiteCu9(Fe,Ni)8S16
S ViolariteFe2+Ni23+S4
S GalenaPbS
S PyriteFeS2
S Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
S Godlevskite(Ni,Fe)9S8
S ChalcociteCu2S
S CovelliteCuS
S MooihoekiteCu9Fe9S16
S HaycockiteCu4Fe5S8
S DigeniteCu9S5
S Shadlunite(Pb,Cd)(Fe,Cu)8S8
S Irarsite(Ir,Ru,Rh,Pt)AsS
S LauriteRuS2
S ParkeriteNi3(Bi,Pb)2S2
S GreenockiteCdS
S PutoraniteCu1.1Fe1.2S2
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
Cl CotunnitePbCl2
Cl LaurionitePbCl(OH)
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca CalciteCaCO3
Ca PrehniteCa2Al2Si3O10(OH)2
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
TiTitanium
Ti Magnetite (var: Titaniferous Magnetite)Fe2+(Fe3+,Ti)2O4
Ti IlmeniteFe2+TiO3
CrChromium
Cr ChromiteFe2+Cr23+O4
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe Magnetite (var: Titaniferous Magnetite)Fe2+(Fe3+,Ti)2O4
Fe PyrrhotiteFe7S8
Fe TroiliteFeS
Fe ChalcopyriteCuFeS2
Fe CubaniteCuFe2S3
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe Pentlandite(FexNiy)Σ9S8
Fe BorniteCu5FeS4
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe Mackinawite(Fe,Ni)9S8
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe TalnakhiteCu9(Fe,Ni)8S16
Fe ViolariteFe2+Ni23+S4
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe PyriteFeS2
Fe Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Fe Godlevskite(Ni,Fe)9S8
Fe MooihoekiteCu9Fe9S16
Fe HaycockiteCu4Fe5S8
Fe ChromiteFe2+Cr23+O4
Fe Shadlunite(Pb,Cd)(Fe,Cu)8S8
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe PutoraniteCu1.1Fe1.2S2
CoCobalt
Co CobaltiteCoAsS
NiNickel
Ni HeazlewooditeNi3S2
Ni MilleriteNiS
Ni Pentlandite(FexNiy)Σ9S8
Ni MaucheriteNi11As8
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Ni Mackinawite(Fe,Ni)9S8
Ni NickelineNiAs
Ni GersdorffiteNiAsS
Ni TalnakhiteCu9(Fe,Ni)8S16
Ni ViolariteFe2+Ni23+S4
Ni Godlevskite(Ni,Fe)9S8
Ni ParkeriteNi3(Bi,Pb)2S2
CuCopper
Cu ChalcopyriteCuFeS2
Cu CubaniteCuFe2S3
Cu BorniteCu5FeS4
Cu CabriitePd2CuSn
Cu TalnakhiteCu9(Fe,Ni)8S16
Cu Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Cu ChalcociteCu2S
Cu CovelliteCuS
Cu MooihoekiteCu9Fe9S16
Cu HaycockiteCu4Fe5S8
Cu DigeniteCu9S5
Cu CopperCu
Cu Shadlunite(Pb,Cd)(Fe,Cu)8S8
Cu Taimyrite(Pd,Cu,Pt)3Sn
Cu PutoraniteCu1.1Fe1.2S2
ZnZinc
Zn SphaleriteZnS
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AsArsenic
As MaucheriteNi11As8
As SperrylitePtAs2
As NickelineNiAs
As CobaltiteCoAsS
As GersdorffiteNiAsS
As Irarsite(Ir,Ru,Rh,Pt)AsS
ZrZirconium
Zr ZirconZr(SiO4)
Zr BaddeleyiteZrO2
RuRuthenium
Ru Irarsite(Ir,Ru,Rh,Pt)AsS
Ru LauriteRuS2
RhRhodium
Rh Irarsite(Ir,Ru,Rh,Pt)AsS
PdPalladium
Pd CabriitePd2CuSn
Pd Frooditeα-PdBi2
Pd MicheneritePdBiTe
Pd Moncheite(Pt,Pd)(Te,Bi)2
Pd Taimyrite(Pd,Cu,Pt)3Sn
AgSilver
Ag SilverAg
CdCadmium
Cd Shadlunite(Pb,Cd)(Fe,Cu)8S8
Cd GreenockiteCdS
SnTin
Sn CabriitePd2CuSn
Sn Taimyrite(Pd,Cu,Pt)3Sn
TeTellurium
Te AltaitePbTe
Te MicheneritePdBiTe
Te Moncheite(Pt,Pd)(Te,Bi)2
IrIridium
Ir Irarsite(Ir,Ru,Rh,Pt)AsS
PtPlatinum
Pt SperrylitePtAs2
Pt Irarsite(Ir,Ru,Rh,Pt)AsS
Pt Moncheite(Pt,Pd)(Te,Bi)2
Pt Taimyrite(Pd,Cu,Pt)3Sn
AuGold
Au GoldAu
PbLead
Pb GalenaPbS
Pb AltaitePbTe
Pb CotunnitePbCl2
Pb LaurionitePbCl(OH)
Pb Shadlunite(Pb,Cd)(Fe,Cu)8S8
Pb ParkeriteNi3(Bi,Pb)2S2
BiBismuth
Bi Frooditeα-PdBi2
Bi MicheneritePdBiTe
Bi Moncheite(Pt,Pd)(Te,Bi)2
Bi ParkeriteNi3(Bi,Pb)2S2

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Bonnichsen, B. (1974) Copper and nickel resources in the Duluth Complex, Minnesota: Minnesota Geological Survey Information Circular 10, 24 p.
Chandler, V. & Ferderer, R. J. (1989) Copper-nickel mineralization of the Duluth Complex, Minnesota: a gravity and magnetic perspective: Economic Geology:84:1690-1696.
ood, D., Borysenko, J., McBride, J., Walford, P., Smyk, M., Hollings, P., ... & Corkery, J. (2010) Cu-Ni-PGE Deposits in Mafic Intrusions of the Lake Superior Region June 24-30, 2010. 11th International Platinum Symposium

Localities in this Region


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