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Central African Mining
The Central African Mining and Exploration Company plc (CAMEC) was a mining company active in the Katanga Province of the Democratic Republic of the Congo (DRC) and in other parts of Africa. It was acquired by Eurasian Natural Resources Corporation in 2009. Early years In September 2002 Andrew Groves reported a 6 to 7 million Rand had been spent to upgrade the Three Aloes mine. CAMEC listed on the London Stock Exchange's Alternative Investment Market in October 2002. It pursued an aggressive and successful program of acquiring and developing projects, finding little difficulty in gaining funding based on its strong track record. The company developed operations or undertook exploration in Mali (bauxite), Mozambique (coal), the DRC (copper and cobalt), South Africa (fluorspar) and Zimbabwe. Entry into Congo Initially, the Zimbabwean businessman Billy Rautenbach controlled ''Boss Mining Sprl'', which owned 50% of the Mukondo Mine, Mukondo resource. The provenance of Rautenbach's cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Public Limited Company
A public limited company (legally abbreviated to PLC or plc) is a type of public company under United Kingdom company law, some Commonwealth of Nations, Commonwealth jurisdictions, and Republic of Ireland, Ireland. It is a limited liability company whose shares may be freely sold and traded to the public (although a PLC may also be privately held, often by another PLC), with a minimum share capital of £50,000 and usually with the letters PLC after its name. Similar companies in the United States are called Public company, ''publicly traded companies''. A PLC can be either an unlisted or listed company on the stock exchanges. In the United Kingdom, a public limited company usually must include the words "public limited company" or the abbreviation "PLC" or "plc" at the end and as part of the legal company name. Welsh companies may instead choose to end their names with , an abbreviation for '. However, some public limited companies (mostly nationalization, nationalised concer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SX/EW
Solvent extraction and electrowinning (SX/EW) is a two-stage hydrometallurgical process that first extracts and upgrades copper ions from low-grade leach solutions into a solvent containing a chemical that selectively reacts with and binds the copper in the solvent. The copper is extracted from the solvent with strong aqueous acid which then deposits pure copper onto cathodes using an electrolytic procedure (electrowinning). SX/EW processing is best known for its use by the copper industry, where it accounts for 20% of worldwide production, but the technology is also successfully applied to a wide range of other metals including cobalt, nickel, zinc and uranium Uranium is a chemical element; it has chemical symbol, symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Ura .... References * * * Metallurgical processes {{Industry-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Non-renewable Resource Companies Disestablished In 2009
A non-renewable resource (also called a finite resource) is a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption. An example is carbon-based fossil fuels. The original organic matter, with the aid of heat and pressure, becomes a fuel such as oil or gas. Earth minerals and metal ores, fossil fuels (coal, petroleum, natural gas) and groundwater in certain aquifers are all considered non-renewable resources, though individual elements are always conserved (except in nuclear reactions, nuclear decay or atmospheric escape). Conversely, resources such as timber (when harvested sustainably) and wind (used to power energy conversion systems) are considered renewable resources, largely because their localized replenishment can also occur within human lifespans. Earth minerals and metal ores Earth minerals and metal ores are examples of non-renewable resources. The metals themselves are present in vast amounts in E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mining In Katanga Province
Mining is the extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory. Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay. The ore must be a rock or mineral that contains valuable constituent, can be extracted or mined and sold for profit. Mining in a wider sense includes extraction of any non-renewable resource such as petroleum, natural gas, or even water. Modern mining processes involve prospecting for ore bodies, analysis of the profit potential of a proposed mine, extraction of the desired materials, and final reclamation or restoration of the land after the mine is closed. Mining materials are often obtained from ore bodies, lodes, veins, seams, reefs, or placer deposits. The exploitation of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Copper Mining Companies Of The Democratic Republic Of The Congo
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-orange color. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins, and constantan used in strain gauges and thermocouples for temperature measurement. Copper is one of the few metals that can occur in nature in a directly usable, unalloyed metallic form. This means that copper is a native metal. This led to very early human use in several regions, from . Thousands of years later, it was the first metal to be smelted from sulfide ores, ; the first metal to be cast into a shape in a mold, ; and the first metal to be purposely alloyed with another metal, tin, to create bronze, . Commonly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cobalt Mining Companies
Cobalt is a chemical element; it has symbol Co and atomic number 27. As with nickel, cobalt is found in the Earth's crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, produced by reductive smelting, is a hard, lustrous, somewhat brittle, gray metal. Cobalt-based blue pigments (cobalt blue) have been used since antiquity for jewelry and paints, and to impart a distinctive blue tint to glass. The color was long thought to be due to the metal bismuth. Miners had long used the name ''kobold ore'' (German language, German for ''goblin ore'') for some of the blue pigment-producing minerals. They were so named because they were poor in known metals and gave off poisonous arsenic-containing fumes when smelted. In 1735, such ores were found to be reducible to a new metal (the first discovered since ancient times), which was ultimately named for the ''kobold''. Today, some cobalt is produced specifically from one ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kazakhstan
Kazakhstan, officially the Republic of Kazakhstan, is a landlocked country primarily in Central Asia, with a European Kazakhstan, small portion in Eastern Europe. It borders Russia to the Kazakhstan–Russia border, north and west, China to the China–Kazakhstan border, east, Kyrgyzstan to the Kazakhstan–Kyrgyzstan border, southeast, Uzbekistan to the Kazakhstan–Uzbekistan border, south, and Turkmenistan to the Kazakhstan–Turkmenistan border, southwest, with a coastline along the Caspian Sea. Its capital is Astana, while the largest city and leading cultural and commercial hub is Almaty. Kazakhstan is the world's List of countries and dependencies by area, ninth-largest country by land area and the largest landlocked country. Steppe, Hilly plateaus and plains account for nearly half its vast territory, with Upland and lowland, lowlands composing another third; its southern and eastern frontiers are composed of low mountainous regions. Kazakhstan has a population of 20 mi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mining Weekly
''Mining Weekly'' is a weekly South African trade magazine covering the Mining#Industry, mining industry across Africa. History and profile ''Mining Weekly'' was first published in 1995 by Creamer Media, an independent Published media, publishing company based in Johannesburg, South Africa. The company was founded by Martin Creamer in 1981. The company's other weekly news magazine, ''Engineering News'', began publication in 1981. The latest news and developments in several mining sectors are available to readers of the magazine and visitors to the website, including base metals, coal, diamonds, ferrous, ferrous metals, gold, platinum, silver, and uranium. Key service areas and topics related to the mining industry, such as mine safety, health and safety, and legislative and environmental aspects, are reported on daily. References External links Official website {{Greater Johannesburg, media 1995 establishments in South Africa Magazines established in 1995 Mass media in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metorex
Metorex is a mining company based in Johannesburg, South Africa. It has assets in the Democratic Republic of the Congo (DRC), Zambia and elsewhere. A takeover bid by the Jinchuan Group of China valued the company at US$1.1 billion. Since January 2012, the company is a wholly owned subsidiary of Jinchuan Group. History The company was founded in 1975 by a consortium that included Anthony Simon Malone, and acquired Rand London Mines. In the following years Metorex acquired additional properties mining a variety of minerals including gold, coal, asbestos, copper, zinc and tin. The mines were located in South Africa, Namibia and Zambia. In December 1999 Metorex merged with Consolidated Murchison and listed on the JSE and LSE exchanges. In the following years the company continued to expand through acquisition of new properties. In 2004 Metorex entered into a joint venture to develop the Ruashi copper mine site in the DRC, and subsequently made substantial investments in this projec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
