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Ekati Diamond Mine, North-West Territories

Producer of



300km northwest of Yellowknife, NWT, Canada


Dominion Diamond Corporation (88.89%) and Archon Minerals

Geology type

Kimberlite pipes

Mineral type

Mainly industrial diamonds


70Mt at 1.6ct/t as of 31 July 2016

Mining method

Open pit and underground

Processing method

Crushing, screening, dense medium separation and X-ray fluorescence recovery




4 x Driltech D90KS blasthole drills

2 x Demag H655SO hydraulic shovels

10 x Caterpillar D10R dozers

1 x Caterpillar 994 loader

1 x Caterpillar 5120 hydraulic excavator

4 x Caterpillar 992 loaders

2 x Komatsu PL 1800 hydraulic excavators

13 x 240st Caterpillar haul trucks

3 x 170st Caterpillar haul trucks

11 x 100st Caterpillar 777D haul trucks

Recovery plant

Fuller and Nordberg crushers

KHD Humboldt Wedag grinding rolls

Linatex screens and dense medium separators

Eriez magnetic separators

Bateman pneumatic conveying system

Fynsort Technologies x-ray sorter

Prime construction contractor

Simons Mining Group

Process plant design

Signet Engineering

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