Ekati Mine, Lac de Gras, Northwest Territories, Canadai
Regional Level Types | |
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Ekati Mine | Mine |
Lac de Gras | - not defined - |
Northwest Territories | Territory |
Canada | Country |
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Latitude & Longitude (WGS84):
64° 42' 48'' North , 110° 37' 9'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Owned/operated by:
Dominion Diamond Mines (100%)
Mindat Locality ID:
22634
Long-form identifier:
mindat:1:2:22634:6
GUID (UUID V4):
96fb7af8-eafb-4e96-8a6c-861f88d516cb
Canada's first diamond mine, with ocnstruction beginning in 1997.
The name Ekati is the Tlicho word for "fat lake".
Located near Lac de Gras, 300 kilometres (186 mi) north-east of Yellowknife.
This first known kimberlite pipe in Canada was discovered at Pointe Lake in 1991 by Chuck Fipke and Stewart Blusson, who had been prospecting in the region for almost ten years, having found kimberlite indicator minerals as early as 1985.
Between 1998 and 2008, the mine has produced 40 million carats (8,000 kg / 17,636 lb) of diamonds out of six open pits. As the high-grade ore close to the surface was depleted, development was completed to access the ore utilizing underground methods. Two of the open pits (Panda and Koala) have been converted to underground mines.
3.7 Million carats of diamond were produced in 2001.
150 kimberlite pipes (5 mined) on the property with the most important being Panda (3 ha), Koala (5 ha), Beartooth (0,5 ha), Lynx, Fox (largest of the mining development pipes (17 ha), Grizzly, Koala North (0,4 ha), Leslie, Rattler, Anaconda, Gazelle, Misery (1,5 ha), Jay (7 ha), Arnie, Mark, Phoenix, Piranha.
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Rock Types Recorded
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Alphabetical List Tree DiagramDetailed Mineral List:
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
β | Diamond | 1.CB.10a | C |
Group 2 - Sulphides and Sulfosalts | |||
β | Pyrite | 2.EB.05a | FeS2 |
Group 3 - Halides | |||
β | Sylvite | 3.AA.20 | KCl |
β | Halite | 3.AA.20 | NaCl |
β | Fluorite | 3.AB.25 | CaF2 |
Group 4 - Oxides and Hydroxides | |||
β | Periclase | 4.AB.25 | MgO |
β | var. Ferropericlase | 4.AB.25 | (Mg,Fe)O |
β | UlvΓΆspinel | 4.BB.05 | TiFe2+2O4 |
β | Spinel var. Pleonaste | 4.BB.05 | (Mg,Fe)Al2O4 |
β | 4.BB.05 | MgAl2O4 | |
β | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
β | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
β | Ilmenite | 4.CB.05 | Fe2+TiO3 |
β | Perovskite | 4.CC.30 | CaTiO3 |
β | Brucite | 4.FE.05 | Mg(OH)2 |
Group 5 - Nitrates and Carbonates | |||
β | Gregoryite | 5.AA.10 | (Na2,K2,Ca)CO3 |
β | Calcite | 5.AB.05 | CaCO3 |
β | Dolomite | 5.AB.10 | CaMg(CO3)2 |
β | Norsethite | 5.AB.30 | BaMg(CO3)2 |
β | Eitelite | 5.AC.05 | Na2Mg(CO3)2 |
β | Zemkorite | 5.AC.10 | Na2Ca(CO3)2 |
β | Nyerereite | 5.AC.10 | Na2Ca(CO3)2 |
β | Fairchildite | 5.AC.20 | K2Ca(CO3)2 |
β | Shortite | 5.AC.25 | Na2Ca2(CO3)3 |
β | Bradleyite | 5.BF.10 | Na3Mg(CO3)(PO4) |
Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
β | Aphthitalite | 7.AC.35 | (K,Na)3Na(SO4)2 |
β | Arcanite | 7.AD.05 | K2SO4 |
β | Scheelite | 7.GA.05 | Ca(WO4) |
Group 9 - Silicates | |||
β | Forsterite | 9.AC.05 | Mg2SiO4 |
β | Monticellite | 9.AC.10 | CaMgSiO4 |
β | Pyrope | 9.AD.25 | Mg3Al2(SiO4)3 |
β | Almandine | 9.AD.25 | Fe2+3Al2(SiO4)3 |
β | Schorlomite | 9.AD.25 | Ca3Ti2(SiO4)(Fe3+O4)2 |
β | Andradite | 9.AD.25 | Ca3Fe3+2(SiO4)3 |
β | Zircon | 9.AD.30 | Zr(SiO4) |
β | Humite | 9.AF.50 | Mg7(SiO4)3F2 |
β | Clinohumite | 9.AF.55 | Mg9(SiO4)4F2 |
β | Bultfonteinite | 9.AG.80 | Ca2(HSiO4)F Β· H2O |
β | Enstatite | 9.DA.05 | Mg2Si2O6 |
β | var. Bronzite | 9.DA.05 | (Mg,Fe2+)2[SiO3]2 |
β | Diopside | 9.DA.15 | CaMgSi2O6 |
β | var. Chromium-bearing Diopside | 9.DA.15 | Ca(Mg,Cr)Si2O6 |
β | Tetraferriphlogopite | 9.EC.20 | KMg3(Fe3+Si3O10)(OH,F)2 |
β | Phlogopite | 9.EC.20 | KMg3(AlSi3O10)(OH)2 |
β | Kinoshitalite | 9.EC.35 | (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 |
β | Kalsilite | 9.FA.05 | KAlSiO4 |
Unclassified | |||
β | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
β | 'Hydrogarnet' | - | |
β | 'Olivine Group' | - | M2SiO4 |
β | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
β | 'Fayalite-Forsterite Series' | - | |
β | 'Orthopyroxene Subgroup' | - | |
β | 'Garnet Group' | - | X3Z2(SiO4)3 |
β | 'Chrome-Spinel (of Dana)' | - | |
β | 'Kelyphite' | - | |
β | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
β | 'Chlorite Group' | - |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
H | β Bultfonteinite | Ca2(HSiO4)F · H2O |
H | β Brucite | Mg(OH)2 |
H | β Kinoshitalite | (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 |
H | β Phlogopite | KMg3(AlSi3O10)(OH)2 |
H | β Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
H | β Serpentine Subgroup | D3[Si2O5](OH)4 |
H | β Apatite | Ca5(PO4)3(Cl/F/OH) |
C | Carbon | |
C | β Bradleyite | Na3Mg(CO3)(PO4) |
C | β Calcite | CaCO3 |
C | β Diamond | C |
C | β Dolomite | CaMg(CO3)2 |
C | β Eitelite | Na2Mg(CO3)2 |
C | β Fairchildite | K2Ca(CO3)2 |
C | β Norsethite | BaMg(CO3)2 |
C | β Nyerereite | Na2Ca(CO3)2 |
C | β Shortite | Na2Ca2(CO3)3 |
C | β Zemkorite | Na2Ca(CO3)2 |
C | β Gregoryite | (Na2,K2,Ca)CO3 |
O | Oxygen | |
O | β Andradite | Ca3Fe23+(SiO4)3 |
O | β Aphthitalite | (K,Na)3Na(SO4)2 |
O | β Arcanite | K2SO4 |
O | β Almandine | Fe32+Al2(SiO4)3 |
O | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
O | β Bradleyite | Na3Mg(CO3)(PO4) |
O | β Bultfonteinite | Ca2(HSiO4)F · H2O |
O | β Brucite | Mg(OH)2 |
O | β Calcite | CaCO3 |
O | β Diopside var. Chromium-bearing Diopside | Ca(Mg,Cr)Si2O6 |
O | β Chromite | Fe2+Cr23+O4 |
O | β Clinohumite | Mg9(SiO4)4F2 |
O | β Diopside | CaMgSi2O6 |
O | β Dolomite | CaMg(CO3)2 |
O | β Eitelite | Na2Mg(CO3)2 |
O | β Enstatite | Mg2Si2O6 |
O | β Fairchildite | K2Ca(CO3)2 |
O | β Forsterite | Mg2SiO4 |
O | β Humite | Mg7(SiO4)3F2 |
O | β Ilmenite | Fe2+TiO3 |
O | β Kalsilite | KAlSiO4 |
O | β Kinoshitalite | (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 |
O | β Magnetite | Fe2+Fe23+O4 |
O | β Monticellite | CaMgSiO4 |
O | β Norsethite | BaMg(CO3)2 |
O | β Nyerereite | Na2Ca(CO3)2 |
O | β Periclase | MgO |
O | β Perovskite | CaTiO3 |
O | β Phlogopite | KMg3(AlSi3O10)(OH)2 |
O | β Pyrope | Mg3Al2(SiO4)3 |
O | β Scheelite | Ca(WO4) |
O | β Schorlomite | Ca3Ti2(SiO4)(Fe3+O4)2 |
O | β Shortite | Na2Ca2(CO3)3 |
O | β Spinel | MgAl2O4 |
O | β Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
O | β UlvΓΆspinel | TiFe22+O4 |
O | β Zemkorite | Na2Ca(CO3)2 |
O | β Zircon | Zr(SiO4) |
O | β Enstatite var. Bronzite | (Mg,Fe2+)2[SiO3]2 |
O | β Spinel var. Pleonaste | (Mg,Fe)Al2O4 |
O | β Gregoryite | (Na2,K2,Ca)CO3 |
O | β Garnet Group | X3Z2(SiO4)3 |
O | β Serpentine Subgroup | D3[Si2O5](OH)4 |
O | β Apatite | Ca5(PO4)3(Cl/F/OH) |
O | β Olivine Group | M2SiO4 |
O | β Periclase var. Ferropericlase | (Mg,Fe)O |
F | Fluorine | |
F | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
F | β Bultfonteinite | Ca2(HSiO4)F · H2O |
F | β Clinohumite | Mg9(SiO4)4F2 |
F | β Fluorite | CaF2 |
F | β Humite | Mg7(SiO4)3F2 |
F | β Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
F | β Apatite | Ca5(PO4)3(Cl/F/OH) |
Na | Sodium | |
Na | β Aphthitalite | (K,Na)3Na(SO4)2 |
Na | β Bradleyite | Na3Mg(CO3)(PO4) |
Na | β Eitelite | Na2Mg(CO3)2 |
Na | β Halite | NaCl |
Na | β Nyerereite | Na2Ca(CO3)2 |
Na | β Shortite | Na2Ca2(CO3)3 |
Na | β Zemkorite | Na2Ca(CO3)2 |
Na | β Gregoryite | (Na2,K2,Ca)CO3 |
Mg | Magnesium | |
Mg | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Mg | β Bradleyite | Na3Mg(CO3)(PO4) |
Mg | β Brucite | Mg(OH)2 |
Mg | β Diopside var. Chromium-bearing Diopside | Ca(Mg,Cr)Si2O6 |
Mg | β Clinohumite | Mg9(SiO4)4F2 |
Mg | β Diopside | CaMgSi2O6 |
Mg | β Dolomite | CaMg(CO3)2 |
Mg | β Eitelite | Na2Mg(CO3)2 |
Mg | β Enstatite | Mg2Si2O6 |
Mg | β Forsterite | Mg2SiO4 |
Mg | β Humite | Mg7(SiO4)3F2 |
Mg | β Kinoshitalite | (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 |
Mg | β Monticellite | CaMgSiO4 |
Mg | β Norsethite | BaMg(CO3)2 |
Mg | β Periclase | MgO |
Mg | β Phlogopite | KMg3(AlSi3O10)(OH)2 |
Mg | β Pyrope | Mg3Al2(SiO4)3 |
Mg | β Spinel | MgAl2O4 |
Mg | β Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
Mg | β Enstatite var. Bronzite | (Mg,Fe2+)2[SiO3]2 |
Mg | β Spinel var. Pleonaste | (Mg,Fe)Al2O4 |
Mg | β Periclase var. Ferropericlase | (Mg,Fe)O |
Al | Aluminium | |
Al | β Almandine | Fe32+Al2(SiO4)3 |
Al | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Al | β Kalsilite | KAlSiO4 |
Al | β Kinoshitalite | (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 |
Al | β Phlogopite | KMg3(AlSi3O10)(OH)2 |
Al | β Pyrope | Mg3Al2(SiO4)3 |
Al | β Spinel | MgAl2O4 |
Al | β Spinel var. Pleonaste | (Mg,Fe)Al2O4 |
Si | Silicon | |
Si | β Andradite | Ca3Fe23+(SiO4)3 |
Si | β Almandine | Fe32+Al2(SiO4)3 |
Si | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Si | β Bultfonteinite | Ca2(HSiO4)F · H2O |
Si | β Diopside var. Chromium-bearing Diopside | Ca(Mg,Cr)Si2O6 |
Si | β Clinohumite | Mg9(SiO4)4F2 |
Si | β Diopside | CaMgSi2O6 |
Si | β Enstatite | Mg2Si2O6 |
Si | β Forsterite | Mg2SiO4 |
Si | β Humite | Mg7(SiO4)3F2 |
Si | β Kalsilite | KAlSiO4 |
Si | β Kinoshitalite | (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 |
Si | β Monticellite | CaMgSiO4 |
Si | β Phlogopite | KMg3(AlSi3O10)(OH)2 |
Si | β Pyrope | Mg3Al2(SiO4)3 |
Si | β Schorlomite | Ca3Ti2(SiO4)(Fe3+O4)2 |
Si | β Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
Si | β Zircon | Zr(SiO4) |
Si | β Enstatite var. Bronzite | (Mg,Fe2+)2[SiO3]2 |
Si | β Garnet Group | X3Z2(SiO4)3 |
Si | β Serpentine Subgroup | D3[Si2O5](OH)4 |
Si | β Olivine Group | M2SiO4 |
P | Phosphorus | |
P | β Bradleyite | Na3Mg(CO3)(PO4) |
P | β Apatite | Ca5(PO4)3(Cl/F/OH) |
S | Sulfur | |
S | β Aphthitalite | (K,Na)3Na(SO4)2 |
S | β Arcanite | K2SO4 |
S | β Pyrite | FeS2 |
Cl | Chlorine | |
Cl | β Halite | NaCl |
Cl | β Sylvite | KCl |
Cl | β Apatite | Ca5(PO4)3(Cl/F/OH) |
K | Potassium | |
K | β Aphthitalite | (K,Na)3Na(SO4)2 |
K | β Arcanite | K2SO4 |
K | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
K | β Fairchildite | K2Ca(CO3)2 |
K | β Kalsilite | KAlSiO4 |
K | β Kinoshitalite | (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 |
K | β Phlogopite | KMg3(AlSi3O10)(OH)2 |
K | β Sylvite | KCl |
K | β Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
K | β Gregoryite | (Na2,K2,Ca)CO3 |
Ca | Calcium | |
Ca | β Andradite | Ca3Fe23+(SiO4)3 |
Ca | β Bultfonteinite | Ca2(HSiO4)F · H2O |
Ca | β Calcite | CaCO3 |
Ca | β Diopside var. Chromium-bearing Diopside | Ca(Mg,Cr)Si2O6 |
Ca | β Diopside | CaMgSi2O6 |
Ca | β Dolomite | CaMg(CO3)2 |
Ca | β Fairchildite | K2Ca(CO3)2 |
Ca | β Fluorite | CaF2 |
Ca | β Monticellite | CaMgSiO4 |
Ca | β Nyerereite | Na2Ca(CO3)2 |
Ca | β Perovskite | CaTiO3 |
Ca | β Scheelite | Ca(WO4) |
Ca | β Schorlomite | Ca3Ti2(SiO4)(Fe3+O4)2 |
Ca | β Shortite | Na2Ca2(CO3)3 |
Ca | β Zemkorite | Na2Ca(CO3)2 |
Ca | β Gregoryite | (Na2,K2,Ca)CO3 |
Ca | β Apatite | Ca5(PO4)3(Cl/F/OH) |
Ti | Titanium | |
Ti | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Ti | β Ilmenite | Fe2+TiO3 |
Ti | β Perovskite | CaTiO3 |
Ti | β Schorlomite | Ca3Ti2(SiO4)(Fe3+O4)2 |
Ti | β UlvΓΆspinel | TiFe22+O4 |
Cr | Chromium | |
Cr | β Diopside var. Chromium-bearing Diopside | Ca(Mg,Cr)Si2O6 |
Cr | β Chromite | Fe2+Cr23+O4 |
Mn | Manganese | |
Mn | β Kinoshitalite | (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 |
Fe | Iron | |
Fe | β Andradite | Ca3Fe23+(SiO4)3 |
Fe | β Almandine | Fe32+Al2(SiO4)3 |
Fe | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Fe | β Chromite | Fe2+Cr23+O4 |
Fe | β Ilmenite | Fe2+TiO3 |
Fe | β Magnetite | Fe2+Fe23+O4 |
Fe | β Pyrite | FeS2 |
Fe | β Schorlomite | Ca3Ti2(SiO4)(Fe3+O4)2 |
Fe | β Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
Fe | β UlvΓΆspinel | TiFe22+O4 |
Fe | β Enstatite var. Bronzite | (Mg,Fe2+)2[SiO3]2 |
Fe | β Spinel var. Pleonaste | (Mg,Fe)Al2O4 |
Fe | β Periclase var. Ferropericlase | (Mg,Fe)O |
Zr | Zirconium | |
Zr | β Zircon | Zr(SiO4) |
Ba | Barium | |
Ba | β Kinoshitalite | (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 |
Ba | β Norsethite | BaMg(CO3)2 |
W | Tungsten | |
W | β Scheelite | Ca(WO4) |
Other Databases
Wikipedia: | https://en.wikipedia.org/wiki/Ekati_Diamond_Mine |
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Ekati Mine, Lac de Gras, Northwest Territories, Canada