Echo Bay Mines Limited was a

Canadian Canadians () are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of their being ''C ...

company which was organized in 1964 by Northwest Explorers Limited to develop a

silver Silver is a chemical element; it has Symbol (chemistry), symbol Ag () and atomic number 47. A soft, whitish-gray, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. ...

deposit at

Great Bear Lake Great Bear Lake (; ) in the boreal forest of Canada is the largest List of lakes of Canada, lake entirely in Canada (Lake Superior and Lake Huron are larger but straddle the Canada–United States border, Canada–US border), the fourth-larges ...

Northwest Territories The Northwest Territories is a federal Provinces and territories of Canada, territory of Canada. At a land area of approximately and a 2021 census population of 41,070, it is the second-largest and the most populous of Provinces and territorie ...

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

, which had been staked in 1930 by The Consolidated Mining and Smelting Company (now called

Teck Resources Teck Resources Limited 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. Secondary ...

). The company leased the old

Port Radium Port Radium is a mining area on the eastern shore of Great Bear Lake, Northwest Territories, Canada. It included the settlement of Cameron Bay as well as the Eldorado (also called Port Radium) and Echo Bay mines. The name Port Radium did no ...

settlement from

Eldorado Mining and Refining Limited Eldorado Resources was a Canadian mining company active between 1926 and 1988. The company was originally established by brothers Charles and Gilbert LaBine as a gold mining enterprise in 1926, but transitioned to focus on radium in the 1930s a ...

and used the old camp and mill to recover silver and

copper Copper is a chemical element; it has symbol Cu (from Latin ) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orang ...

values from what became known as the Echo Bay Mine. Production in the Echo Bay workings ceased in 1975. The company then reopened the old Eldorado Mine workings and produced more silver and copper until 1981, when low silver prices caused the mine to close permanently. Echo Bay Mines Limited went on to open a new gold mine, called Lupin Mine, in what was then the

and is today in

Nunavut Nunavut is the largest and northernmost Provinces and territories of Canada#Territories, territory of Canada. It was separated officially from the Northwest Territories on April 1, 1999, via the ''Nunavut Act'' and the Nunavut Land Claims Agr ...

. It entered production in 1982. Echo Bay Mines Limited developed numerous other properties, mostly in the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

, including two mines in Nevada, McCoy/Cove and

Round Mountain gold mine Round or rounds may refer to: Mathematics and science * Having no sharp corners, as an ellipse, circle, or sphere * Rounding, reducing the number of significant figures in a number * Round number, ending with one or more zeroes * Round (crypto ...

, and the Kettle River mine in Washington. Corporate headquarters were in

Englewood, Colorado The City of Englewood is a home rule municipality located in Arapahoe County, Colorado, United States. The town population was 33,659 at the 2020 United States census. Englewood is a part of the Denver–Aurora–Lakewood, CO Metropolitan S ...

. In 1986 the company purchased Sunnyside Gold Mine in

Silverton, Colorado Silverton is a statutory town that is the county seat, the most populous community, and the only incorporated municipality in San Juan County, Colorado, United States. The town is located in a remote part of the western San Juan Mountains, a ...

, and operated it for five years before it closed because of low gold prices. The company became a subsidiary of

Kinross Gold Corporation Kinross Gold Corporation is a Canadian-based gold and silver mining company founded in 1993 and headquartered in Toronto, Ontario, Canada. Kinross currently operates six active gold mines, and was ranked fifth of the "10 Top Gold-mining Companies" ...

in 2003 and has been delisted from the stock exchange.

References

{{Coord, 66.05511, N, 118.000088, W, display=title Gold mines in the Northwest Territories Companies based in the Northwest Territories Defunct mining companies of Canada Silver mines in Canada Defunct companies of the Northwest Territories