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Lac Doré Complex (Lac Doré Intrusion), Baie-James, Jamésie, Nord-du-Québec, Québec, Canadai
Regional Level Types
Lac Doré Complex (Lac Doré Intrusion)Complex
Baie-JamesMunicipality (Regional)
JamésieTerritory Equivalent to a Regional County Municipality
Nord-du-QuébecAdministrative Region
QuébecProvince
CanadaCountry

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Latitude & Longitude (WGS84):
49° 49' 59'' North , 74° 0' 0'' West
Latitude & Longitude (decimal):
49.83306,-74.00000
GRN:
N34W35
Type:
Complex
Köppen climate type:
Dfc : Subarctic climate
Mindat Locality ID:
425557
Long-form identifier:
mindat:1:2:425557:7
GUID (UUID V4):
0
Other/historical names associated with this locality:
Lac Doré Layered Intrusion


The LDC is an Archean layered intrusion (2728.3 +1.2/−1.1 Ma) that is located in the north-eastern part of the Abitibi greenstone belt in Québec, Canada. It extends over 55 km along a NE–SW axis and up to 15 km in the NW–SE direction with a stratigraphic thickness ranging from 5 to 7 km.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


13 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Chamosite
Formula: Fe2+5Al(AlSi3O10)(OH)8
ⓘ 'Chlorite Group'
ⓘ 'Clinopyroxene Subgroup'
ⓘ Corundum
Formula: Al2O3
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Ferro-actinolite
Formula: ◻Ca2Fe2+5(Si8O22)(OH)2
ⓘ Ferro-pargasite
Formula: NaCa2(Fe2+4Al)(Si6Al2)O22(OH)2
ⓘ Gahnite
Formula: ZnAl2O4
ⓘ Hercynite
Formula: Fe2+Al2O4
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Quartz
Formula: SiO2
ⓘ Spinel
Formula: MgAl2O4
ⓘ Ulvöspinel
Formula: TiFe2+2O4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘGahnite4.BB.05ZnAl2O4
ⓘHercynite4.BB.05Fe2+Al2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘMagnetite
var. Titanium-bearing Magnetite		4.BB.05Fe2+(Fe3+,Ti)2O4
ⓘUlvöspinel4.BB.05TiFe2+2O4
ⓘCorundum4.CB.05Al2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘFerro-actinolite9.DE.10◻Ca2Fe2+5(Si8O22)(OH)2
ⓘFerro-pargasite9.DE.15NaCa2(Fe2+4Al)(Si6Al2)O22(OH)2
ⓘChamosite9.EC.55Fe2+5Al(AlSi3O10)(OH)8
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
Hⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Ferro-actinolite◻Ca2Fe52+(Si8O22)(OH)2
Hⓘ Ferro-pargasiteNaCa2(Fe42+Al)(Si6Al2)O22(OH)2
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Oⓘ CorundumAl2O3
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ Ferro-actinolite◻Ca2Fe52+(Si8O22)(OH)2
Oⓘ Ferro-pargasiteNaCa2(Fe42+Al)(Si6Al2)O22(OH)2
Oⓘ GahniteZnAl2O4
Oⓘ HercyniteFe2+Al2O4
Oⓘ IlmeniteFe2+TiO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ QuartzSiO2
Oⓘ SpinelMgAl2O4
Oⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oⓘ UlvöspinelTiFe22+O4
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Ferro-pargasiteNaCa2(Fe42+Al)(Si6Al2)O22(OH)2
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ SpinelMgAl2O4
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Alⓘ CorundumAl2O3
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Ferro-pargasiteNaCa2(Fe42+Al)(Si6Al2)O22(OH)2
Alⓘ GahniteZnAl2O4
Alⓘ HercyniteFe2+Al2O4
Alⓘ SpinelMgAl2O4
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Ferro-actinolite◻Ca2Fe52+(Si8O22)(OH)2
Siⓘ Ferro-pargasiteNaCa2(Fe42+Al)(Si6Al2)O22(OH)2
Siⓘ QuartzSiO2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
CaCalcium
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Ferro-actinolite◻Ca2Fe52+(Si8O22)(OH)2
Caⓘ Ferro-pargasiteNaCa2(Fe42+Al)(Si6Al2)O22(OH)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Tiⓘ UlvöspinelTiFe22+O4
FeIron
Feⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ Ferro-actinolite◻Ca2Fe52+(Si8O22)(OH)2
Feⓘ Ferro-pargasiteNaCa2(Fe42+Al)(Si6Al2)O22(OH)2
Feⓘ HercyniteFe2+Al2O4
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Feⓘ UlvöspinelTiFe22+O4
ZnZinc
Znⓘ GahniteZnAl2O4

Other Regions, Features and Areas containing this locality

Canada
North AmericaContinent
North America PlateTectonic Plate

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References

[1]Arguin, Jean-Philippe, Pagé, Philippe, Barnes, Sarah-Jane, Girard, Réjean, Duran, Charley (2018) An Integrated Model for Ilmenite, Al-Spinel, and Corundum Exsolutions in Titanomagnetite from Oxide-Rich Layers of the Lac Doré Complex (Québec, Canada) Minerals, 8 (11) 476 doi:10.3390/min8110476
CSA Global Office (2020) Vanadiumcorp Resource Inc. NI 43-101 Technical Report – Lac Doré Project, Chibougamau, Quebec, Canada. REPORT Nº R441.2020 10 December 2020
Mokchah, Nesrine; Mathieu, Lucie (2022) Origin and Evolution of the Iron-Rich Upper Unit and Fe–Ti–V Mineralization of the Neoarchean Lac Doré Layered Intrusion, Chibougamau, Québec. Journal of Petrology, 63 (3). egac006 doi:10.1093/petrology/egac006
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