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Coltan is a dull black metallic ore from which the elements niobium and tantalum are extracted. The niobium-dominant mineral in coltan is columbite, and the tantalum-dominant mineral is tantalite.
Rutshuru is a town located in the North Kivu province of the eastern Democratic Republic of the Congo, and is headquarters of an administrative district, the Rutshuru Territory. The town lies in the western branch of the Albertine Rift between Lakes Edward and Kivu. The Ugandan border is 15 km east and the Rwandan border is 30 km south-east. Lava flows from the Nyamuragira volcano, 40 km south-west, have come within 7 km of the town in recent years.
The mining industry of the Democratic Republic of the Congo produces copper, diamonds, tantalum, tin, gold, and more than 63% of global cobalt production. Minerals and petroleum are central to the DRC's economy, making up more than 95% of the value of its exports.
Mining in Brazil is centered on the extraction of iron, copper, gold, aluminum, manganese, tin, niobium, and nickel. About gemstones, Brazil is the world's largest producer of amethyst, topaz, agate and is a big producer of tourmaline, emerald, aquamarine, garnet and opal.
Burundi is a producer of columbium (niobium) and tantalum ore, tin ore, and tungsten ore, and some deposits of gold which are designated for export. Burundi has resources of copper, cobalt, nickel, feldspar, phosphate rock, quartzite, and rare reserves of uranium, and vanadium. The country is also a producer of limestone, peat, sand and gravel for domestic consumption and as building materials. As of 2005, manufacturing accounted for 8% of the country's gross domestic product.
Taseko Mines Limited is a mid-tier copper producer located in British Columbia, Canada. It operates Gibraltar Mine, the second largest open-pit copper mine in Canada, and is in the planning stages for several other mines including the Prosperity Mine, Harmony, and Aley. All production is sold at non-hedged market based prices. The market capitalization currently is roughly 740 million dollars.
Iamgold Corporation is a Canadian company that owns and operates gold mines in Burkina Faso, Suriname and Canada. Headquartered in Toronto, the company was incorporated in 1990, and went public on the Toronto Stock Exchange in 1996, with additional shares being listed on the New York Stock Exchange beginning in 2005. The company formerly owned or had stakes in the Sadiola and Yatela gold mines in Mali, the Mupane gold mine in Botswana, the Niobec niobium mine in Quebec, as well as a royalty in the Diavik Diamond Mine.
Bayan'obo Mining District, or Baiyun-Obo or Baiyun'ebo, is a mining district in the west of Inner Mongolia, China. It is under the administration of Baotou City, the downtown of which is more than 120 kilometres (75 mi) to the south.
Coltan is the colloquial name for the mineral columbite-tantalum ("col-tan"); it is sometimes incorrectly used as shorthand for tantalite, a metallic ore from which the very similar elements niobium, also known as columbium, and tantalum are extracted. In the early 21st century coltan mining was associated with human rights violations such as child labour, systematic exploitation of the population by governments or militant groups, exposure to toxic chemicals and other hazards as a result of lax environmental protection, and general safety laws and regulations.
The Abu Dabab mine is a large proposed mine located in the eastern part of Egypt in Red Sea Governorate. Abu Dabab represents one of the largest tantalum reserves in Egypt having estimated reserves of 39.9 million tonnes of ore grading 0.025% tantalum.
The Three Aloes mine is a large mine located in the western part of Namibia in Erongo Region. Three Aloes represents one of the largest tantalum reserves in Namibia, having estimated reserves of 13.2 million tonnes of ore grading 0.026% tantalum.
The Ruhijha mine is a large open pit mine located in the northeastern part of Uganda in Eastern Region. Ruhijha represents one of the largest tungsten reserves in Uganda having estimated reserves of 30 million tonnes of ore grading 0.5% tungsten.
The Osukuru Industrial Complex sometimes referred to as Sukulu Industrial Complex, is a set of related industries, in the mining and manufacturing sectors, under construction in Uganda, the third-largest economy in the East African Community.
The mining industry of Uganda, documented as early as the 1920s, witnessed a boom in the 1950s with a record 30 percent of the country's exports. It received a further boost when mining revenues increased by 48 percent between 1995 and 1997. However, the World Bank reported that the sector's contribution to gross domestic product (GDP) dropped from 6 percent during the 1970s to below 0.5 percent in 2010. Uganda's extractive industry activities have been identified by the Natural Resource Governance Institute as focused on "extraction of cobalt, gold, copper, iron ore, tungsten, steel, tin and other industrial products such as cement, diamonds, salt and vermiculite". Limestone is sold in local markets whereas gold, tin, and tungsten are major exports.
The mining industry of Malawi, includes a number of gemstones and other minerals.
The mining industry of Yemen is at present dominated by fossil mineral of petroleum and liquefied natural gas (LNG), and to a limited extent by extraction of dimension stone, gypsum, and refined petroleum. Reserves of metals like cobalt, copper, gold, iron ore, nickel, niobium, platinum-group metals, silver, tantalum, and zinc are awaiting exploration. Industrial minerals with identified reserves include black sands with ilmenite, monazite, rutile, and zirconium, celestine, clays, dimension stone, dolomite, feldspar, fluorite, gypsum, limestone, magnesite, perlite, pure limestone, quartz, salt, sandstone, scoria, talc, and zeolites; some of these are under exploitation.
The Osukuru Thermal Power Station is a planned 12 MW (16,000 hp) chemical-fired thermal power plant in Uganda.
The Pitinga mine is an open pit tin mine in Brazil. It is thought to have the largest undeveloped tin deposit in the world. A complete community of 5,000 people was established in the remote location in the Amazon rainforest to support the mining operations, which began in 1982. There have been accidents, but efforts have been made to minimise environmental damage and to restore areas that have been mined. As of 2014 the more accessible alluvial deposits had been exhausted, but mining of primary rock was continuing.
The Morro dos Seis Lagos Biological Reserve is a biological reserve in the state of Amazonas, Brazil. It protects an inselberg in the Amazon rainforest that contains valuable minerals. Mining has been prohibited since the reserve protected, and since it is in an indigenous territory.
References
- ↑ "Mining sector of Uganda". ugandainvest.go.ug. 2012. Retrieved 2013-07-16.
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