Consolidated Denison Mine, or the Denison Mine is an abandoned uranium mine located approximately 12.5 km north of
Elliot Lake
Elliot Lake is a city in Algoma District, Ontario, Canada. It is north of Lake Huron, midway between the cities of Greater Sudbury, Sudbury and Sault Ste. Marie, Ontario, Sault Ste. Marie in the Northern Ontario region. Once dubbed the "uranium ca ...
,
Ontario
Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...
. The site is bordered north by
Quirke Mine and New Quirke Mine; on the east by
Panel Mine and
Can-Met Mine; and south by
Spanish American Mine
The Spanish American Mine is a historical uranium mine located approximately northeast of Elliot Lake, Ontario, owned and operated by Rio Algom Ltd. The site is southeast of the Denison Mine.
The mine was in operation from 1958 to 1959, wh ...
and
Stanrock Mine.
It is owned by
Denison Mines Ltd. The site has been rehabilitated and its tailings facility is currently undergoing environmental monitoring by Denison Environmental Services.
The site was the longest continuous operation in the area, from 1957 to 1992, during which time it produced 69 million tonnes of ore.
History
The site was discovered in 1953, by F. H. Jowsey, A. W. Stollery who sold his stake to Consolidated Denison Mines Limited in 1954.
Geological surveys commenced in July 1954 followed by diamond drilling.
Two shafts were started in 1955 one to 1,856 feet and another to 2,766 feet that wasn't completed until 1957.
In 1957 reserves were estimated at 136,787,400 tons graded at 2.78 pounds of
U308 per ton.
Ore processing facilities were built, capable to processing 5,700 to 6,000 tons per day.
The site has two tailings management areas that includes 64 million tons of tailings under water.
The site was decommissioned in 1997.
Other mines in the area
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Stanleigh Mine
The Stanleigh Mine is an abandoned uranium mine located approximately 3 km northeast of Elliot Lake, Ontario, owned and operated by Rio Algom Ltd. The site has been rehabilitated and is currently undergoing environmental monitoring.
The mi ...
*
Spanish American Mine
The Spanish American Mine is a historical uranium mine located approximately northeast of Elliot Lake, Ontario, owned and operated by Rio Algom Ltd. The site is southeast of the Denison Mine.
The mine was in operation from 1958 to 1959, wh ...
*
Can-Met Mine
*
Milliken Mine
*
Panel Mine
*
Stanrock Mine
*
Quirke Mine(s)
*
Pronto Mine
*
Buckles Mine
*
Lacnor Mine
*
Nordic Mine
See also
*
Quartz-pebble conglomerate deposits
*
Uranium mining
Uranium mining is the process of extraction of uranium ore from the earth. Over 50,000 tons of uranium were produced in 2019. Kazakhstan, Canada, and Australia were the top three uranium producers, respectively, and together account for 68% of w ...
*
List of uranium mines
Uranium production is carried out in about 13 countries around the world, in 2017 producing a cumulative total of 59,462 tonnes of uranium (tU). The international producers were Kazakhstan (39%), Canada (22%), Australia (10%), Namibia (7.1%), Nig ...
*
List of mines in Ontario
This is a list of mines in the Canadian province of Ontario and includes both operating and closed mines.
*Adams Mine
*Agnew Lake Mine
*Amalgamated Larder Mine
*Argonaut Mine
*Armistice Mine
*Associated Goldfields Mine
*Barber Larder Mine
*Barto ...
References
External links
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{{Uranium mining in Ontario
Uranium mines in Ontario
Underground mines in Canada
Mines in Elliot Lake
Former mines in Ontario
Denison Mines