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Codelco is a Chilean state owned copper mining company. It was formed in 1976 from foreign-owned copper companies that were nationalised in 1971.
Mount Isa Mines Limited ("MIM") operates the Mount Isa copper, lead, zinc and silver mines near Mount Isa, Queensland, Australia as part of the Glencore group of companies. For a brief period in 1980, MIM was Australia's largest company. It has pioneered several significant mining industry innovations, including the Isa Process copper refining technology, the Isasmelt smelting technology, and the IsaMill fine grinding technology, and it also commercialized the Jameson Cell column flotation technology.
Drakelands Mine, formerly known as Hemerdon Mine or the Hemerdon Ball or Hemerdon Bal Mine, is a tungsten and tin mine. It is located 11 km northeast of Plymouth, near Plympton, in Devon, England. It lies to the north of the villages of Sparkwell and Hemerdon and adjacent to the large china clay pits near Lee Moor. The mine was out of operation since 1944, except for the brief operation of a trial mine in the 1980s. Work started to re-open it in 2014, but it ceased activities in 2018. It hosts the fourth largest tin-tungsten deposit in the world. A new company, Tungsten West, now plan to re open the mine in 2022, after investing to alter the processing plant. A ground up review lead to the recognition that the ore is not in fact Wolframite, but is in fact a related ore, Ferberite, and changes were needed to improve extraction efficiencies. In addition, a subsidiary will enhance the mine with aggregate sales as a by product of mining.
Aquarius Platinum plc is a Bermuda-registered and headquartered mining business.
The mineral industry of Russia is one of the world's leading mineral industries and accounts for a large percentage of the Commonwealth of Independent States' production of a range of mineral products, including metals, industrial minerals, and mineral fuels. In 2005, Russia ranked among the leading world producers or was a significant producer of a vast range of mineral commodities, including aluminum, arsenic, cement, copper, magnesium compounds and metals, nitrogen, palladium, silicon, nickel and vanadium.
Impala Platinum Holdings Limited or Implats is a South African holding company that owns several companies which operate mines that produce platinum and platinum group metals, as well as nickel, copper and cobalt. Its most significant mine is the Impala mine in the North West province of South Africa. The company also owns or has interest in the Two Rivers mine and the Marula mine in the South Africa Bushveld Igneous Complex and the Mimosa mine and Zimplats in Zimbabwe, as well as the Impala Refining Services which smelts and refines metals for other companies. In December 2019, Impala Canada was formed, owned by the holding company, out of the acquisition of North American Palladium and its mine in Ontario, Canada.
Orex Exploration is a former Canadian gold mining company that conducted exploration work on mining properties it owned in the Goldboro and Guysborough County areas of Nova Scotia. The properties owned by Orex were the sites of the former Boston Richardson Mine, Dolliver Mountain Mine, West Goldbrook Mine, and East Goldbrook Mine which operated between 1892 and 1912. Headquartered in Rouyn-Noranda, Quebec, the company was founded in 1987 and raised funds for exploration work, in part, by issuing stocks traded on the Montreal Stock Exchange and then the TSX Venture Exchange. It became a subsidiary of Anaconda Mining Inc. after Anaconda acquired the company in a stock swap deal in 2017.
The IsaMill is an energy-efficient mineral industry grinding mill that was jointly developed in the 1990s by Mount Isa Mines Limited and Netzsch Feinmahltechnik ("Netzsch"), a German manufacturer of bead mills. The IsaMill is primarily known for its ultrafine grinding applications in the mining industry, but is also being used as a more efficient means of coarse grinding. By the end of 2008, over 70% of the IsaMill’s installed capacity was for conventional regrinding or mainstream grinding applications, with target product sizes ranging from 25 to 60 µm.
Thompson Creek Metals Company Inc. was a full cycle mining company with acquisition, exploration, development, and operation in North America. The corporate office was located in Denver, Colorado. The company primarily produced copper, gold, and molybdenum. Over its history, the Company evolved from being a major primary molybdenum producer to becoming a copper and gold mining company with the construction and development of the Mount Milligan mine and concentrator in British Columbia, Canada. Mount Milligan was Thompson Creek Metals principal operation and the company owned 100% of this property. The company also owned 100% of its Thompson Creek Mine in Idaho. Thompson Creek Metals owned 75% joint venture interest in two other properties, including its Endako Mine in British Columbia, and its Langeloth Metallurgical Facility (roaster) in Pennsylvania. Thompson Creek Metals had additional development projects, including the Berg property in British Columbia.
First Majestic Silver Corp. is a Canadian silver-mining company that operates in Mexico and the United States. It has four producing mines under its control: San Dimas Silver/Gold Mine, Santa Elena Silver/Gold Mine, La Encantada Silver Mine, and Jerritt Canyon Gold Mine. First Majestic also produces and sells its own bullion rounds and bars.
The Fort Knox Gold Mine is an open pit gold mine, 9 mi (14 km) east of Fox in the Fairbanks mining district of Alaska. It is owned and operated by Toronto-based Kinross Gold. Originally staked in 1913, after very minor mining at the location the property sat idle until being restaked in 1980. Following the initial exploration discovery in 1987, in 1992 the project was purchased by Amax Gold, which brought the mine to production. Amax Gold merged with Kinross Gold in 1998.
Mopani Copper Mines PLC ("Mopani") is a Zambian registered company owned by Carlisa Investments Corporation and ZCCM-IH (10%). Minority shareholders are spread throughout the world, in various locations.
Cominco Resources is a private company which is developing the US$2billion Hinda phosphate project located in The Republic of the Congo. Through its subsidiary it owns 100% of the Hinda Phosphate Project, which comprises the Hinda Permit, and the Kolatchikanou Permit. The Hinda project is the world's largest undeveloped phosphate deposit with a JORC Mineral Resource of 678 Mt and a Minable Ore Reserve of 405 Mt, sufficient for over 24 years of production. Cominco Resources was merged with Kropz in December 2018 and listed on the AIM market.
Mining in North Korea is important to the country's economy. North Korea is naturally abundant in metals such as magnesite, zinc, tungsten, and iron; with magnesite resources of 6 billion tonnes, particularly in the North and South Hamgyong Province and Chagang Province. However, often these cannot be mined due to the acute shortage of electricity in the country, as well as the lack of proper tools to mine these materials and an antiquated industrial base. Coal, iron ore, limestone, and magnesite deposits are larger than other mineral commodities. Mining joint ventures with other countries include China, Canada, Egypt, and South Korea.
The Modikwa platinum mine is a large underground mine in the north-eastern part of South Africa northwest of Burgersfort, Limpopo. It is part of the Bushveld Igneous Complex. Modikwa represents one of the largest platinum reserves in South Africa having estimated reserves of 215.2 million tonnes of ore grading 2 g/t platinum, 1.87 g/t palladium and minor grades of gold, rhodium, ruthenium and iridium. The mine has reserves of 13.8 million oz of platinum and 12.9 million oz of palladium and produces around 120,000 oz of platinum/year and 110,000 oz of palladium/year. The mine is owned under a 50%/50% joint venture by African Rainbow Minerals and Anglo American Platinum. Each of these companies have part of their stakes subdivided between other companies.
The Siphumelele mine is one of the largest platinum mines located in the north-western part of South Africa in Rustenburg, North West. The mine is owned and operated by Anglo American Platinum. Siphumelele represents one of the largest platinum reserves in South Africa having estimated reserves of 12.4 million oz of platinum. The mine produces around 100,000 oz of platinum/year.
The Marula Mine is a platinum mine located in the Limpopo province of South Africa. It is in the eastern limb of the Bushveld Igneous Complex, approximately 35km north-west of Burgersfort. The operation comprises two decline shaft systems which are used to access the UG2 reef.
On 15 November 2014 workers at South Africa's major platinum producers – Anglo American Platinum, Impala Platinum, and Lonmin – went on strike demanding that wages be immediately doubled. However, after five months of striking they settled for a more modest pay increase spread over three years. It was the longest and most expensive strike in South African history.
The Independence Mines, now Independence Mine State Historic Park, is the site of a former gold mining operation in the Talkeetna Mountains, across Hatcher Pass from Palmer, Alaska. The area's mining history dates to at least 1897, when active claims were reported in the vicinity of Fishook Creek. These early mining efforts were eventually joined to form the Wasilla Mining Company, which worked the mines from 1934 to 1943, and again from 1948 to 1950. The mining operation at Independence was the second-largest hard-rock gold mining operation in the state, after a larger site near Juneau. The company and the miners that preceded it built a substantial mining camp, with as many as sixteen wood-frame buildings, which were originally connected to each other by sheltered wooden "tunnels". When the company ended operations in 1950, it had expected to eventually resume operations, but never did; this resulted in a particularly well-preserved collection of mining equipment and buildings, although the weather has since taken a significant toll on the latter.
The Gibraltar Mine is a Canadian copper mine operated by Taseko Mines near McLeese Lake in British Columbia, Canada. It is the second largest open-pit mine in Canada and the fourth largest in North America.
References
- 1 2 "Mimosa Mine". financialresults.co.za. 2012. Retrieved 2013-07-17.
Coordinates: 20°19′04″S29°50′12″E / 20.3179°S 29.8368°E