Which produced more types of ore, Outpost Island Mine or Tundra Mine?
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Outpost Island Mine The Outpost Island Mine was a gold and tungsten producer 94 kilometres southeast of Yellowknife, Northwest Territories on an island of Great Slave Lake. Gold was discovered here in 1935 by prospectors, and some development was undertaken in 1936-1938. Tungsten ores became valuable during World War II, so the owners (Slave Lake Gold Mines Limited) investigated the tungsten possibilities of the mine. It produced small amounts of gold, copper, and tungsten during 1941-1942, and then again in 1951-1952 during the Korean War. It was a small deposit and was not considered economic because of unpredictable tungsten market prices in the 1950s.
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Tundra Mine The Tundra Mines was a gold producer in the Northwest Territories, Canada between 1964 and 1968, producing 104,476 troy ounces (3250 kg) of gold from 187,714 tons of ore. A detailed history is provided in the link below. Indian and Northern Affairs Canada has a project to remediate the Tundra Mine site under their Northern Contaminants Program, funded by the Canadian Federal Contaminated Sites Action Plan.
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Bar Haven, Newfoundland and Labrador Bar Haven, formerly called Barren Island, is a Canadian settlement in the province of Newfoundland and Labrador.
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Devon Island Devon Island (Inuit: "Tatlurutit") is the largest uninhabited island on Earth. It is located in Baffin Bay, Qikiqtaaluk Region, Nunavut, Canada. It is one of the larger members of the Canadian Arctic Archipelago, the second-largest of the Queen Elizabeth Islands, Canada's sixth largest island, and the 27th-largest island in the world. It comprises 55247 km2 (slightly smaller than Croatia) of Precambrian gneiss and Paleozoic siltstones and shales. The highest point is the Devon Ice Cap at 1920 m which is part of the Arctic Cordillera. Devon Island contains several small mountain ranges, such as the Treuter Mountains, Haddington Range and the Cunningham Mountains.
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Cannington Mine The Cannington Silver and Lead Mine is an Australian underground mine located in north-west Queensland, in the Shire of McKinlay, about 200 km southeast of Mount Isa. The deposit was discovered by Broken Hill Proprietary Company (BHP) in 1990. Although sitework and underground mining began in 1997, full production was not achieved until early 1999, with 1.5 million tons of ore processed in 1999. Production since has reached 3 million tons of ore per year. s of 2010 it was the largest and lowest cost silver and lead mine in the world. The expected life of the Cannington mine is 25 years. On August 19, 2014, the mine's owner BHP Billiton announced it was splitting the company in two. A newly formed entity called South32 is to house BHP Billiton's non-core businesses including the Cannington Mine. South32 is listed on the Australian Securities Exchange (under the code S32), with a secondary listing in Johannesburg.
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Kipushi Mine Kipushi Mine (formerly Prince Léopold Mine) is an underground mine in the Democratic Republic of the Congo, near the town of Kipushi in the province of Katanga. This was an active producing mine between 1925 and 1993, as of 2006 there was an estimated 16.9 million tons of ore in the measured and indicated categories, with a grade averaging of 16.7% zinc and 2.2% copper.
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Verity mine The Verity mine is a large mine located about '30 miles kilometres north-northeast of Blue River in southeastern British Columbia', Canada. Verity represents one of the largest tantalum reserves in Canada having estimated reserves of 3.06 million tonnes of ore grading 0.02% tantalum, 0.065% niobium and 3.2% fluorite.
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Tataga-Matau Fortified Quarry Complex The Tataga-Matau Fortified Quarry Complex, designated Site AS-34-10, is a major archaeological complex on Tutuila, the largest island of American Samoa. Located in an upland area on the western side of the island above the village of Leone, the complex consists of a series of basalt quarries and structures that archaeologists have interpreted as having a military defensive purpose. The site has been known since at least 1927, and was first formally surveyed in the 1960s. Features of the site include extraction pits, from which basalt was quarried for the manufacture of stone tools and weapons, as well as domestic features such as grinding stones. Archaeologists in 1985 noted that some of the sites features were, including trenches and terracing, were made in areas that were unsuitable for the production of stone tools, and closely resemble known military defensive structures in other areas of the Samoan islands. The site extends along a network of ridges for more than 1.4 km . Radiocarbon dating of elements of site indicate periods of occupation and/or use from c. 200 CE to the period of European contact.
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Ranobe mine The Ranobe mine is one of the largest titanium mines in Madagascar. The mine is located in Melaky. The mine has reserves amounting to 959 million tonnes of ore grading 5.8% titanium.
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Pinpet Mining Project The Pinpet Mining Project is an open-pit iron ore mine in Mount Pinpet, Shan State, Myanmar. Plans for the project started in 2003, and construction of an iron ore factory has been underway since 2004. The Pinpet deposit consists of an estimated 10 million tons of hematite with 56.4% iron and reserves of limonite at 70 million tons with 42.6% iron. The mountain also has an estimated deposit of 30 million tons of limestone, which can be used to make cement. A cement factory under the Burmese Kanbawza Development Co. is currently under construction.
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Southern Indian Ocean Islands tundra The Southern Indian Ocean Islands tundra is a tundra ecoregion that includes several subantarctic islands in the southern Indian Ocean.
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Impala mine The Impala mine is a large open pit mine located in the north-western part of South Africa in North West. Impala represents one of the largest platinum reserves in South Africa having estimated reserves of 68.9 million oz of platinum. The mine produces around 800,000 oz of platinum/year.
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Thala Island Thala Island ( ) is the southern of two small, rocky islands lying just off the northwest edge of Davis Ice Piedmont, along the north coast of Victoria Land. Named by ANARE (Australian National Antarctic Research Expeditions) after M.V. Thala Dan, one of two expedition ships used by ANARE in 1962 to explore this area.
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Grootdraai Grootdraai is a town and a mine in Capricorn District Municipality in the Limpopo province of South Africa.
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Martinson mine The Martinson mine is a large mine located in Ontario. Martinson represents one of the largest phosphates reserve in Canada having estimated reserves of 112 million tonnes of ore grading 21.4% PO.
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Priest Mine Priest Mine is an abandoned surface and underground mine in Northeastern Ontario, Canada. It is located about 19 km northwest of the hamlet of Marten River on an island in north-central Cross Lake. Dating back to the early 1900s, it is one of the oldest mines in the municipality of Temagami.
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Ghelari mine The Ghelari mine was a large open pit, also an underground iron ore mine in the western of Romania in Hunedoara County, 20 km south-west of Hunedoara and 411 km north-west of the capital, Bucharest. Ghelari represents one of the largest iron ore reserves in Romania having estimated reserves of 14 million tonnes of ore. The mine produced around 200,000 tonnes of iron ore/year.
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Mary River (Nunavut) Mary River is located on Baffin Island about 936 km northwest of Iqaluit, the capital of Nunavut, and about 176 km southwest of Pond Inlet. It is home to iron ore deposits discovered in 1962 by Murray Edmund Watts and Ron Sheardown and is being developed by the Baffinland Iron Mines Corporation.
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Xolobeni mine The Xolobeni mine is a proposed titanium mine in South Africa. A project by Transworld, initially a wholly owned subsidiary of the Australian corporation Mineral Commodities (MRC), the mine would be one of the largest mines of its kind in South Africa. The proposed mine is located in the Wild Coast region of the Eastern Cape and has reserves amounting to 348.7 million tonnes of ore grading 5% titanium. MRC has since pulled out of the project, citing "threats to the peace and harmony of the local Xolobeni community", and in September 2016 the Minister of Mineral Resources announced an 18-month moratorium on mining in the Xolobeni area.
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Silver King Camp Silver King Camp is a ghost town located in the West Kootenay region of British Columbia. The town is located on Toad Mountain near Nelson and was founded in the 1880s. In 1887 silver ore was discovered on Toad Mountain, and a mine was created called the Silver King which was owned by the Hall family of Nelson. A town grew around the workings of the mine. By 1898 Silver King Camp had a population of 190. The Silver King mine was the greatest shipper of silver ore to the Nelson Smelter for two decades. A forest fire destroyed Silver King Camp and today little remains of the town.
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Mt Lindsay mine The Mt Lindsay mine is a large open pit mine located in the northwest of Tasmania, Australia. Mt Lindsay represents one of the largest tungsten reserves in Australia having estimated reserves of 43 million tonnes of ore grading 0.1% tungsten. 40 million tonnes would support a 10-year mining operation. The mine is owned by Venture Minerals.
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Itakpe mine The Itakpe mine is a large iron mine located in central Nigeria in the Kogi State. Itakpe represents one of the largest iron ore reserves in Nigeria and in the world having estimated reserves of 3 billion tonnes of ore grading 32% iron metal.