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Pages in category "Underground mines in Canada" The following 91 pages are in this category, out of 91 total. This list may not reflect recent changes. A.
The final major point in the Canadian gold mining timeline began in 1981 with the discovery of the Hemlo gold deposits in Northern and Northwestern Ontario. [6] During this period, gold was also discovered across all Canadian provinces and territories and gold production from the 1990 to 1997 period averaged more than 150 tonnes a year.
The following lists of mines in Canada are subsidiaries to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output and province.
Keeley-Frontier Mine is a large abandoned mine in the ghost town of Silver Centre, Northeastern Ontario, Canada. It consists of two underground mines that were sunk 1,455 ft (443 m) below the surface. Keeley Mine was discovered in 1907 while Frontier Mine was constructed in 1921.
Teck Resources Limited, known as Teck Cominco until late 2008, is a diversified natural resources company headquartered in Vancouver, British Columbia, that is engaged in mining and mineral development, including coal for the steelmaking industry, copper, zinc, and energy.
Picher, Oklahoma was incorporated in 1918 after ore was discovered. All that remains in the ghost town are empty buildings and piles of toxic waste. Picher, Oklahoma was incorporated in 1918 after ...
There are two principal phases of underground mining: development mining and production mining. Development mining is composed of excavation almost entirely in (non-valuable) waste rock in order to gain access to the orebody. There are six steps in development mining: remove previously blasted material (muck out round), scaling (removing any unstable slabs of rock hanging from the roof and ...
The Ekati Diamond Mine, often simply called Ekati, is Canada's first surface and underground diamond mine [1] and is owned by Burgundy Diamond Mines. It is located 310 km (190 mi) north-east of Yellowknife , [ 2 ] Northwest Territories , and about 200 km (120 mi) south of the Arctic Circle , near Lac de Gras .