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- Discovery_Mine abstract "The Discovery Mine was a gold mine 81 kilometers northeast (approx bearing of 15 degrees) of Yellowknife, Northwest Territories that operated between 1950 and 1969. Gold was discovered here by Alfred Giauque in 1944. A complete townsite, on Giauque Lake, was established by the company to house workers and their families. The mine produced one million troy ounces (31,000 kg) of gold from one million tons of ore. The abandoned townsite, not accessible by road, was demolished in 2005.Discovery Mine was serviced by air and had an unpaved airstrip to fly people and supplies in and out. After the mine was abandoned, the airstrip was often used by flying instructors from Yellowknife to teach their students emergency landing procedures on abandoned airstrips. As late as the early 1980s, the airstrip was in sufficiently good shape to use, with only a few potholes even after more than ten years. An aerial view of the lake at that time showed it to be crystal clear, with an unobstructed view to the rocky bottom and a beautiful blue colour. A tailings spill in the early 1960s deposited contaminated waste into the Lake. The short-life cyanide was undetectable within a few years, but the residual mercury remained in the sediment and entered the food chain. Declining concentrations of mercury in the fish since 1975 has occurred as the contaminated wastes are naturally buried. Clean-up of the townsite and tailings concluded in 2005 with no detectable contaminants in Giauque Lake water. Continuous monitoring since then continues to report no detectable contamination of the waters.Additional mineralization discovered in 1994 led to renewed development of the area. It is currently owned by Tyhee Development Corp of Vancouver, B.C. and plans have been filed to exploit the over 1 million ounces of gold identified on site. In 2010 Tyhee (now renamed Tyhee Gold Corp) completed a Preliminary Feasibility Study reporting 2.2 million ounces of gold in five zones, two of which are contiguous with the Discovery Mine. In 2011 Tyhee advanced their permitting of a new mine to the Developers Assessment Report stage of the Mackenzie Valley Environmental Impact Review process.".
- Discovery_Mine wikiPageID "1725781".
- Discovery_Mine wikiPageLength "3435".
- Discovery_Mine wikiPageOutDegree "9".
- Discovery_Mine wikiPageRevisionID "576680681".
- Discovery_Mine wikiPageWikiLink Canada.
- Discovery_Mine wikiPageWikiLink Category:Ghost_towns_in_the_Northwest_Territories.
- Discovery_Mine wikiPageWikiLink Category:Gold_mines_in_Canada.
- Discovery_Mine wikiPageWikiLink Category:Mines_in_the_Northwest_Territories.
- Discovery_Mine wikiPageWikiLink Category:Underground_mines_in_Canada.
- Discovery_Mine wikiPageWikiLink Gold.
- Discovery_Mine wikiPageWikiLink Northwest_Territories.
- Discovery_Mine wikiPageWikiLink Provinces_and_territories_of_Canada.
- Discovery_Mine wikiPageWikiLink Yellowknife.
- Discovery_Mine wikiPageWikiLinkText "Discovery Mine".
- Discovery_Mine wikiPageWikiLinkText "Discovery".
- Discovery_Mine acquisitionYear "2003".
- Discovery_Mine closingYear "1969".
- Discovery_Mine coordinatesRegion "CA-NT".
- Discovery_Mine country Canada.
- Discovery_Mine display "inline,title".
- Discovery_Mine name "Discovery Mine".
- Discovery_Mine officialWebsite "www.tyhee.com".
- Discovery_Mine openingYear "1950".
- Discovery_Mine owner "Tyhee Gold Corp".
- Discovery_Mine place "Yellowknife".
- Discovery_Mine pushpinLabel "Discovery Mine".
- Discovery_Mine pushpinMapCaption "Location".
- Discovery_Mine province Northwest_Territories.
- Discovery_Mine subdivisionType Provinces_and_territories_of_Canada.
- Discovery_Mine wikiPageUsesTemplate Template:Canada-ghost-town-stub.
- Discovery_Mine wikiPageUsesTemplate Template:Coord.
- Discovery_Mine wikiPageUsesTemplate Template:Infobox_gold_mine.
- Discovery_Mine wikiPageUsesTemplate Template:Mining-stub.
- Discovery_Mine wikiPageUsesTemplate Template:NorthwestTerritories-geo-stub.
- Discovery_Mine wikiPageUsesTemplate Template:Reflist.
- Discovery_Mine subject Category:Ghost_towns_in_the_Northwest_Territories.
- Discovery_Mine subject Category:Gold_mines_in_Canada.
- Discovery_Mine subject Category:Mines_in_the_Northwest_Territories.
- Discovery_Mine subject Category:Underground_mines_in_Canada.
- Discovery_Mine hypernym Kilometers.
- Discovery_Mine point "63.1874 -113.8968".
- Discovery_Mine type Mine.
- Discovery_Mine type Place.
- Discovery_Mine type Settlement.
- Discovery_Mine type Mine.
- Discovery_Mine type Place.
- Discovery_Mine type SpatialThing.
- Discovery_Mine comment "The Discovery Mine was a gold mine 81 kilometers northeast (approx bearing of 15 degrees) of Yellowknife, Northwest Territories that operated between 1950 and 1969. Gold was discovered here by Alfred Giauque in 1944. A complete townsite, on Giauque Lake, was established by the company to house workers and their families. The mine produced one million troy ounces (31,000 kg) of gold from one million tons of ore.".
- Discovery_Mine label "Discovery Mine".
- Discovery_Mine sameAs Q5281941.
- Discovery_Mine sameAs m.05rdtr.
- Discovery_Mine sameAs Q5281941.
- Discovery_Mine lat "63.1874".
- Discovery_Mine long "-113.8968".
- Discovery_Mine wasDerivedFrom Discovery_Mine?oldid=576680681.
- Discovery_Mine isPrimaryTopicOf Discovery_Mine.