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Gahcho Kué mine, Lac de Gras, Northwest Territories, Canadai
Regional Level Types
Gahcho Kué mineMine
Lac de Gras- not defined -
Northwest TerritoriesTerritory
CanadaCountry

This page is currently not sponsored. Contact us for sponsorship opportunities.
Key
Latitude & Longitude (WGS84):
63° 26' 6'' North , 109° 12' 0'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Owned/operated by:
De Beers Group of Companies (85%) - a group of companies owned by Anglo American plc


Diamondiferous kimberlites.
Officially opened on September 20, 2016
Open pit mining of three kimberlite pipes in sequence: 5034, Hearne and Tuzo.
An open pit diamond mining operation opened in August 2016 with an estimate lifetime of 12 years.

It works three kimberlite pipes, the 5034, Hearne and Tuzo pipes.

The mine covers 1,200 hectares and the average annual production (2016/7) is ~4.5M Carats.

Select Mineral List Type

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

13 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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Albite-Anorthite Series'
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
Baryte
Formula: BaSO4
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
Calcite
Formula: CaCO3
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
'Chlorite Group'
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
Diamond
Formula: C
Reference: http://www.pdiam.com/s/LacdeGras.asp; https://www.debeersgroup.com/canada/en/operations/mining/gahcho-kue-project.html
Diopside
Formula: CaMgSi2O6
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
'Fayalite-Forsterite Series'
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
Forsterite
Formula: Mg2SiO4
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
Hematite
Formula: Fe2O3
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
'Melilite Group'
Formula: Ca2M(XSiO7)
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
Monticellite
Formula: CaMgSiO4
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
Perovskite
Formula: CaTiO3
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
Quartz
Formula: SiO2
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.
Wollastonite
Formula: CaSiO3
Reference: Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Hematite4.CB.05Fe2O3
Perovskite4.CC.30CaTiO3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Diopside9.DA.15CaMgSi2O6
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Forsterite9.AC.05Mg2SiO4
Monticellite9.AC.10CaMgSiO4
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Wollastonite9.DG.05CaSiO3
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'-
'Fayalite-Forsterite Series'-
'Melilite Group'-Ca2M(XSiO7)
'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
Semi-metals and non-metals
Diamond1.3.6.1C
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Perovskite4.3.3.1CaTiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Forsterite51.3.1.2Mg2SiO4
Monticellite51.3.2.1CaMgSiO4
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 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Wollastonite65.2.1.1cCaSiO3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, 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'-
'Fayalite-Forsterite Series'-
'Melilite Group'-Ca2M(XSiO7)
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H PhlogopiteKMg3(AlSi3O10)(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CCarbon
C DiamondC
C CalciteCaCO3
OOxygen
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O MonticelliteCaMgSiO4
O PhlogopiteKMg3(AlSi3O10)(OH)2
O DiopsideCaMgSi2O6
O Melilite GroupCa2M(XSiO7)
O WollastoniteCaSiO3
O BaryteBaSO4
O PerovskiteCaTiO3
O CalciteCaCO3
O ApatiteCa5(PO4)3(Cl/F/OH)
O ForsteriteMg2SiO4
O ChromiteFe2+Cr23+O4
O HematiteFe2O3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O QuartzSiO2
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
MgMagnesium
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Mg MonticelliteCaMgSiO4
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg DiopsideCaMgSi2O6
Mg ForsteriteMg2SiO4
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
SiSilicon
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Si MonticelliteCaMgSiO4
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si DiopsideCaMgSi2O6
Si Melilite GroupCa2M(XSiO7)
Si WollastoniteCaSiO3
Si ForsteriteMg2SiO4
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si QuartzSiO2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S BaryteBaSO4
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca MonticelliteCaMgSiO4
Ca DiopsideCaMgSi2O6
Ca Melilite GroupCa2M(XSiO7)
Ca WollastoniteCaSiO3
Ca PerovskiteCaTiO3
Ca CalciteCaCO3
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
TiTitanium
Ti PerovskiteCaTiO3
CrChromium
Cr ChromiteFe2+Cr23+O4
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Fe ChromiteFe2+Cr23+O4
Fe HematiteFe2O3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
BaBarium
Ba BaryteBaSO4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Caro, G., Kopylova, M. G., & Creaser, R. A. (2004). The hypabyssal 5034 kimberlite of the Gahcho Kue cluster, southeastern Slave craton, Northwest Territories, Canada: a granite-contaminated Group-I kimberlite. The Canadian Mineralogist, 42(1), 183-207.

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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.
 
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