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Lac De Gras Kimberlite Field
The Lac de Gras kimberlite field is a group of Late Cretaceous to Eocene age diatremes in the Northwest Territories The Northwest Territories (abbreviated ''NT'' or ''NWT''; french: Territoires du Nord-Ouest, formerly ''North-Western Territory'' and ''North-West Territories'' and namely shortened as ''Northwest Territory'') is a federal territory of Canada. ..., Canada. The Eocene (ca. 55-50 Ma) age diatremes of the Lac de Gras kimberlite field support two world-class diamond mines called Ekati Diamond Mine, Ekati and Diavik Diamond Mine, Diavik. Ekati, Canada's first diamond mine, has produced of diamonds out of six open-pit mining, open pits between 1998 and 2008, while Diavik to the southeast has produced of diamonds since its foundation in 2003. See also *List of volcanoes in Canada *Volcanism of Canada *Volcanism of Northern Canada References Diatremes of the Northwest Territories Geology of the Northwest Territories Cretaceous volcanoes Paleocene volcano ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diavik Diamond Mine
The Diavik Diamond Mine is a diamond mine in the North Slave Region of the Northwest Territories, Canada, about northeast of Yellowknife. Description Diavik Diamond Mine is an industrial complex set in a remote, subarctic landscape. It consists of four kimberlite pipes associated with the Lac de Gras kimberlite field and is located on an island in Lac de Gras informally known as East Island. It is about south of the Arctic Circle. In the 2015 satellite image below, one can see the two main open pits, waste rock pile, and an airstrip capable of landing aircraft as large as 737s and C-130s. The complex also houses processing, power and boiler plants, fuel tanks, water and sewage processing facilities, maintenance shop, administrative buildings, and accommodations for workers. It is connected to points south by an ice road and Diavik Airport with a gravel runway regularly accommodating Boeing 737 jet aircraft. Commercial importance The mine is owned by a joint venture betwee ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
