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Lac des Iles Complex, Lac des Iles Area, Thunder Bay District, Ontario, Canadai
Regional Level Types
Lac des Iles ComplexComplex
Lac des Iles AreaArea
Thunder Bay DistrictDistrict
OntarioProvince
CanadaCountry

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Latitude & Longitude (WGS84):
49° 10' North , 89° 37' West
Latitude & Longitude (decimal):
49.16667,-89.61667
GeoHash:
G#: f08r8wx0s
GRN:
N33W43
Type:
Complex
KΓΆppen climate type:
Dfc : Subarctic climate
Mindat Locality ID:
13093
Long-form identifier:
mindat:1:2:13093:3
GUID (UUID V4):
25b8ea56-c0b4-4682-a37e-1b918c90eae7


Mafic-ultramafic intrusive complex with gabbro and pegmatite. Contains several PGE mineralizations.
This system comprises the easternmost extent of an~30-km-wide, ring-shaped array of variably hornblende-rich, mafc–ultramafc intrusions located in the Archean Superior Province. These include the Tib Lake, Demars Lake, Wakinoo Lake, Tomle Lake, Buck Lake, Taman Lake, and Dog River intrusions.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


39 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“˜ Anorthite
Formula: Ca(Al2Si2O8)
β“˜ Anorthite var. Labradorite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
β“˜ Arsenopyrite
Formula: FeAsS
β“˜ Bornite
Formula: Cu5FeS4
β“˜ Braggite
Formula: PdPt3S4
β“˜ Cassiterite
Formula: SnO2
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ Cobaltite
Formula: CoAsS
β“˜ Covellite
Formula: CuS
β“˜ Cubanite
Formula: CuFe2S3
β“˜ Galena
Formula: PbS
β“˜ Gersdorffite
Formula: NiAsS
β“˜ Gold
Formula: Au
β“˜ Gold var. Palladium-bearing Gold
Formula: (Au,Pd)
β“˜ Ilmenite
Formula: Fe2+TiO3
β“˜ Isomertieite
Formula: Pd11Sb2As2
β“˜ Kotulskite
Formula: Pd(Te,Bi)2-x (x ≈ 0.4)
β“˜ LΓΆllingite
Formula: FeAs2
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
β“˜ Marcasite
Formula: FeS2
β“˜ Melonite
Formula: NiTe2
β“˜ Merenskyite
Formula: PdTe2
β“˜ Millerite
Formula: NiS
β“˜ Molybdenite
Formula: MoS2
β“˜ Moncheite
Formula: Pt(Te,Bi)2
β“˜ Nickeline
Formula: NiAs
β“˜ Palladoarsenide
Formula: Pd2As
β“˜ Pentlandite
Formula: (NixFey)Ξ£9S8
β“˜ Pyrite
Formula: FeS2
β“˜ Pyrrhotite
Formula: Fe1-xS
β“˜ Siegenite
Formula: CoNi2S4
β“˜ Silver
Formula: Ag
β“˜ Skutterudite
Formula: CoAs3
β“˜ Sopcheite
Formula: Ag4Pd3Te4
β“˜ Sperrylite
Formula: PtAs2
β“˜ Sphalerite
Formula: ZnS
β“˜ Stibiopalladinite
Formula: Pd5Sb2
β“˜ Stillwaterite
Formula: Pd8As3
β“˜ Violarite
Formula: Fe2+Ni3+2S4
β“˜ Vysotskite
Formula: PdS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Gold
var. Palladium-bearing Gold		1.AA.05(Au,Pd)
β“˜Silver1.AA.05Ag
β“˜Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
β“˜Stillwaterite2.AC.10aPd8As3
β“˜Isomertieite2.AC.15aPd11Sb2As2
β“˜Stibiopalladinite2.AC.20aPd5Sb2
β“˜Palladoarsenide2.AC.25aPd2As
β“˜Bornite2.BA.15Cu5FeS4
β“˜Pentlandite2.BB.15(NixFey)Ξ£9S8
β“˜Sopcheite2.BC.55Ag4Pd3Te4
β“˜Covellite2.CA.05aCuS
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Cubanite2.CB.55aCuFe2S3
β“˜Kotulskite2.CC.05Pd(Te,Bi)2-x (x β‰ˆ 0.4)
β“˜Nickeline2.CC.05NiAs
β“˜Pyrrhotite2.CC.10Fe1-xS
β“˜Millerite2.CC.20NiS
β“˜Braggite2.CC.35aPdPt3S4
β“˜Vysotskite2.CC.35aPdS
β“˜Galena2.CD.10PbS
β“˜Violarite2.DA.05Fe2+Ni3+2S4
β“˜Siegenite2.DA.05CoNi2S4
β“˜Melonite2.EA.20NiTe2
β“˜Moncheite2.EA.20Pt(Te,Bi)2
β“˜Merenskyite2.EA.20PdTe2
β“˜Molybdenite2.EA.30MoS2
β“˜Sperrylite2.EB.05aPtAs2
β“˜Pyrite2.EB.05aFeS2
β“˜Marcasite2.EB.10aFeS2
β“˜LΓΆllingite2.EB.15aFeAs2
β“˜Arsenopyrite2.EB.20FeAsS
β“˜Cobaltite2.EB.25CoAsS
β“˜Gersdorffite2.EB.25NiAsS
β“˜Skutterudite2.EC.05CoAs3
Group 4 - Oxides and Hydroxides
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Ilmenite4.CB.05Fe2+TiO3
β“˜Cassiterite4.DB.05SnO2
Group 9 - Silicates
β“˜Actinolite9.DE.10β—»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜Anorthite
var. Labradorite		9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
β“˜9.FA.35Ca(Al2Si2O8)

List of minerals for each chemical element

HHydrogen
Hβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
OOxygen
Oβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oβ“˜ AnorthiteCa(Al2Si2O8)
Oβ“˜ CassiteriteSnO2
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Oβ“˜ MagnetiteFe2+Fe23+O4
NaSodium
Naβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
MgMagnesium
Mgβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
AlAluminium
Alβ“˜ AnorthiteCa(Al2Si2O8)
Alβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
SiSilicon
Siβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siβ“˜ AnorthiteCa(Al2Si2O8)
Siβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
SSulfur
Sβ“˜ ArsenopyriteFeAsS
Sβ“˜ BorniteCu5FeS4
Sβ“˜ BraggitePdPt3S4
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ CobaltiteCoAsS
Sβ“˜ CovelliteCuS
Sβ“˜ CubaniteCuFe2S3
Sβ“˜ GalenaPbS
Sβ“˜ GersdorffiteNiAsS
Sβ“˜ MarcasiteFeS2
Sβ“˜ MilleriteNiS
Sβ“˜ MolybdeniteMoS2
Sβ“˜ Pentlandite(NixFey)Ξ£9S8
Sβ“˜ PyriteFeS2
Sβ“˜ PyrrhotiteFe1-xS
Sβ“˜ SiegeniteCoNi2S4
Sβ“˜ SphaleriteZnS
Sβ“˜ ViolariteFe2+Ni23+S4
Sβ“˜ VysotskitePdS
CaCalcium
Caβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caβ“˜ AnorthiteCa(Al2Si2O8)
Caβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
TiTitanium
Tiβ“˜ IlmeniteFe2+TiO3
FeIron
Feβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feβ“˜ ArsenopyriteFeAsS
Feβ“˜ BorniteCu5FeS4
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ CubaniteCuFe2S3
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ LΓΆllingiteFeAs2
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ MarcasiteFeS2
Feβ“˜ Pentlandite(NixFey)Ξ£9S8
Feβ“˜ PyriteFeS2
Feβ“˜ PyrrhotiteFe1-xS
Feβ“˜ ViolariteFe2+Ni23+S4
CoCobalt
Coβ“˜ CobaltiteCoAsS
Coβ“˜ SiegeniteCoNi2S4
Coβ“˜ SkutteruditeCoAs3
NiNickel
Niβ“˜ GersdorffiteNiAsS
Niβ“˜ MeloniteNiTe2
Niβ“˜ MilleriteNiS
Niβ“˜ NickelineNiAs
Niβ“˜ Pentlandite(NixFey)Ξ£9S8
Niβ“˜ SiegeniteCoNi2S4
Niβ“˜ ViolariteFe2+Ni23+S4
CuCopper
Cuβ“˜ BorniteCu5FeS4
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ CovelliteCuS
Cuβ“˜ CubaniteCuFe2S3
ZnZinc
Znβ“˜ SphaleriteZnS
AsArsenic
Asβ“˜ ArsenopyriteFeAsS
Asβ“˜ CobaltiteCoAsS
Asβ“˜ GersdorffiteNiAsS
Asβ“˜ IsomertieitePd11Sb2As2
Asβ“˜ LΓΆllingiteFeAs2
Asβ“˜ NickelineNiAs
Asβ“˜ PalladoarsenidePd2As
Asβ“˜ SkutteruditeCoAs3
Asβ“˜ SperrylitePtAs2
Asβ“˜ StillwateritePd8As3
MoMolybdenum
Moβ“˜ MolybdeniteMoS2
PdPalladium
Pdβ“˜ BraggitePdPt3S4
Pdβ“˜ IsomertieitePd11Sb2As2
Pdβ“˜ KotulskitePd(Te,Bi)2-x (x ≈ 0.4)
Pdβ“˜ MerenskyitePdTe2
Pdβ“˜ PalladoarsenidePd2As
Pdβ“˜ SopcheiteAg4Pd3Te4
Pdβ“˜ StibiopalladinitePd5Sb2
Pdβ“˜ StillwateritePd8As3
Pdβ“˜ VysotskitePdS
Pdβ“˜ Gold var. Palladium-bearing Gold(Au,Pd)
AgSilver
Agβ“˜ SilverAg
Agβ“˜ SopcheiteAg4Pd3Te4
SnTin
Snβ“˜ CassiteriteSnO2
SbAntimony
Sbβ“˜ IsomertieitePd11Sb2As2
Sbβ“˜ StibiopalladinitePd5Sb2
TeTellurium
Teβ“˜ KotulskitePd(Te,Bi)2-x (x ≈ 0.4)
Teβ“˜ MeloniteNiTe2
Teβ“˜ MerenskyitePdTe2
Teβ“˜ MoncheitePt(Te,Bi)2
Teβ“˜ SopcheiteAg4Pd3Te4
PtPlatinum
Ptβ“˜ BraggitePdPt3S4
Ptβ“˜ MoncheitePt(Te,Bi)2
Ptβ“˜ SperrylitePtAs2
AuGold
Auβ“˜ GoldAu
Auβ“˜ Gold var. Palladium-bearing Gold(Au,Pd)
PbLead
Pbβ“˜ GalenaPbS
BiBismuth
Biβ“˜ KotulskitePd(Te,Bi)2-x (x ≈ 0.4)
Biβ“˜ MoncheitePt(Te,Bi)2

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

WATKINSON, D.H. & DUNNING, G. (1979) Geology and platinum-group mineralization, Lac des Iles complex, northwestern Ontario. Canadian Mineralogist 17, 453-462.
Louis J. Cabri and J.H. Gilles Laflamme (1979) Mineralogy of Samples from the Lac Des Iles Area, Ontario. Canmet Report 79-27
TALKINGTON, R.W. & WATKINSON, D.H. (1984) Trends in the distribution of the precious metals in the Lac-des-Iles complex, Northwestern Ontario. Canadian Mineralogist 22, 125-136.
Econ Geol (1989) 84:1557-1573
[1]Bain, Wyatt M., Hollings, Pete, Djon, Lionnel M., Brzozowski, Matthew J., Layton-Matthews, Daniel, Dobosz, Agatha (2024) The geology, geochemistry, and magmatic evolution of the Legris Lake mafic–ultramafic complex, Ontario, Canada. Mineralium Deposita, 59 (1) 85-108 doi:10.1007/s00126-023-01183-x
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