|Latitude & Longitude (WGS84):||63° 26' 6'' North , 109° 12' 0'' West|
|Latitude & Longitude (decimal):||63.43522,-109.20001|
|Owned/operated by:||De Beers Group of Companies|
|Köppen climate type:||Dfc : Subarctic climate|
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.
Commodity ListThis is a list of exploitable or exploited mineral commodities recorded from this region.
Mineral ListMineral 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 TypeAlphabetical List Tree Diagram
Entries shown in red are rocks recorded for this region.
- Igneous rock
- Metamorphic rock
- Unclassifed rock
Localities in this RegionShow map
- Northwest Territories
- Lac de Gras
- Gahcho Kué mine
- Lac de Gras
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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.