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  • Bauxite tailings

    Bauxite tailings

    Bauxite tailings, bauxite residue or alumina refinery residues (ARR) is a by product in the production of alumina (aluminium oxide). Alumina is the principal raw material used in the manufacture of aluminium metal and also widely used in the manufacture of ceramics, abrasives and refractories.

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  • Bauxite   sandatlas

    Bauxite sandatlas

    Bauxite is an aluminum rich sedimentary rock. It is the principal ore of aluminum. Aluminum in bauxite is hosted by aluminum hydroxide minerals, mostly gibbsite 4.The major impurities are iron oxides and hydroxides (which give reddish color to most bauxites) and clay minerals.

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  • THE MINERAL INDUSTRY OF GUINEA   USGS

    THE MINERAL INDUSTRY OF GUINEA USGS

    world's known bauxite deposits, as well as high grade iron with the Government of Iran to undertake a bauxite mining ore deposits, diamonds, gold, manganese, and other project in the Dabola Touge region in northern Guinea, 60 Valleys. Placer mining took place in the Baoule, Milo, and The $150 million Energie Electrique de Guinee (Enelgui)

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  • Bauxite mining   Norsk Hydro

    Bauxite mining Norsk Hydro

    Because the bauxite is located close to the surface, mining disrupts the surface. Every year, the worldwide use of new land related to bauxite mining is 40 50 square kilometers. However, after the mining operations have been completed in one area, it is normally re vegetated with local species.

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  • Mineralogy and Geochemistry of the Bauxite Deposits

    Mineralogy and Geochemistry of the Bauxite Deposits

    Mining of bauxite deposits in this district ceased in 1928, and Lang et al. (1965) reported renewed activities of mining in 1941 and 1942. Irwinton district is also the principal source of kaolin deposits in the United States (Lang et al.,

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  • THE MINERAL INDUSTRY OF GUINEA   USGS

    THE MINERAL INDUSTRY OF GUINEA USGS

    Mining in Guinea was governed by code No. 076/PRG of In 1994, mineral production was mainly from five mines, March 1986, as amended by orders Nos. 10236 to 10245, excluding quarries; four bauxite mines at Bidikoum, Fria, issued on October 22, 1988. The current investment code Kindia, and Sangar233;di, and one diamond mine at Gbenko.

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  • GEOLOGY, MINING OPERATION AND SCHEDULING OF THE

    GEOLOGY, MINING OPERATION AND SCHEDULING OF THE

    GEOLOGY, MINING OPERATION AND SCHEDULING OF THE PARAGOMINAS BAUXITE MINE Silva HM, Pican231;o E, Maurity C, Morais W, Santos HC and Guimar227;es O* VALE, Paragominas, Par225;, Brazil Abstract The Paragominas bauxite mine (VALE) is the rst in the world integrating the mine process with bene ciation and transport of milled bauxite by mineral pipeline.

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  • Bauxite Jamaica   A Jamaica Experience

    Bauxite Jamaica A Jamaica Experience

    Jamaica plant for bauxite Jamaica mining is ranked in the top six bauxite producing countries in the world. Official Stamp of bauxite mining in Jamaica. In 1974 Jamaica bauxite was the second largest producer of bauxite and the second largest exporter of alumina in the world behind Australia.

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  • Jamalco to acquire more lands for mining  Business

    Jamalco to acquire more lands for mining Business

    Jamalco is already mining ore at Harmon's Valley and Porus/Victoria Town. The Porus/Victoria Town exploration rights was added to Jamalco's mining licences in 2013, Alcoa said. The mining company said that any land it purchases in Jamaica is for the sole purpose of mining bauxite.

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  • Bauxite   AIMR 2013   Australian Mines Atlas

    Bauxite AIMR 2013 Australian Mines Atlas

    Bauxite is the main raw material used in the commercial production of alumina (Al 2 O 3) and aluminium metal, although some clays and other materials can be utilised to produce alumina.Bauxite is a heterogeneous, naturally occurring material of varying composition that is relatively rich in aluminium.

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  • Battle to save Malawi's Mount Mulanje  Public Radio

    Battle to save Malawi's Mount Mulanje Public Radio

    This is a prime tourism site, and with the bauxite mining we don't get added value, we get negative value,quot; said Rafiq Hajat, the head of the Institute for Policy Interaction in Malawi.

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  • Uses of Bauxite Mined Out Lands   jbi.jm

    Uses of Bauxite Mined Out Lands jbi.jm

    Putting mined out land to productive and profitable use is a critical aspect of land management in the bauxite and alumina industry, especially considering the growing demand for land for residential, agricultural and public uses.

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  • Jamaica's Bauxite  Alumina Plants   jbi.jm

    Jamaica's Bauxite Alumina Plants jbi.jm

    Noranda Bauxite Limited has a 49% interest in the partnership and holds and operates the physical mining assets and operations. The Government of Jamaica owns the remaining 51 percent. A concession from the Government of Jamaica permits Noranda Bauxite Limited to mine bauxite in Jamaica through 2030.

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  • Bauxite mining could spur a Maoist revival in tribal areas

    Bauxite mining could spur a Maoist revival in tribal areas

    Ignoring the groundswell of public opinion against a resumption of bauxite mining, the Andhra Pradesh government has been taking concrete steps to start mineral exploration in the Eastern Ghats.

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  • Cockpit Country, Jamaica Land of Look Behind Looks Ahead

    Cockpit Country, Jamaica Land of Look Behind Looks Ahead

    May 11, 20090183;32;Bauxite mining is Jamaicas second largest source of income, however, the existing bauxite mines in the island have resulted in water contamination and devastating environmental destruction. Several environmental groups got together with the Maroons and other interested parties and formed the Cockpit Country Stakeholders Group.

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  • Bauxite Mining   Encyclopedia of Arkansas

    Bauxite Mining Encyclopedia of Arkansas

    Bauxite is the principal ore of aluminum and is a mixture of aluminum oxides and hydroxides that formed from intense chemical weathering of a soil in tropical environments. Soils formed under these conditions are termed laterites. In Arkansas, the aluminum enriched soils are the result of the decomposition and lateritic weathering of nepheline syenite, an intrusive igneous rock.

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  • Bauxite mining in LindenEconomic and environmental impact

    Bauxite mining in LindenEconomic and environmental impact

    Bauxite mining has seen the landscape of this place many call home, change forever. Huge variegated sand mountains, undulating valleys, beautiful Blue lakes and wide stretches of white sand, now form an almost natural part of the Towns topography.

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  • Bauxite

    Bauxite

    Bauxite is a sedimentary rock with a relatively high aluminium content. It is the world's main source of aluminium. Bauxite consists mostly of the aluminium minerals gibbsite (Al(OH)

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  • Avon  Hills Mining Awareness Group Inc   Home  Facebook

    Avon Hills Mining Awareness Group Inc Home Facebook

    AHMAG invites all Avon Valley and Hills residents who are concerned about open cut bauxite mining to become members. Forms are available at the Gidgegannup Newsagency or online at ahmag.au.

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  • Bauxite   sandatlas

    Bauxite sandatlas

    Bauxite is an aluminum rich sedimentary rock. It is the principal ore of aluminum. Aluminum in bauxite is hosted by aluminum hydroxide minerals, mostly gibbsite 4.The major impurities are iron oxides and hydroxides (which give reddish color to most bauxites) and clay minerals.

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  • Bauxite Dependency Roots of Crisis  NACLA

    Bauxite Dependency Roots of Crisis NACLA

    Moreover, the ease of mining bauxite in Jamaica where ore deposits are located 6 to 12 inches below the surface as compared to as much as 50 feet in Guyana gave the siting of mines on the island a further economic advantage for the companies.

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  • Residents for Responsible Mining (R4RM)   Home  Facebook

    Residents for Responsible Mining (R4RM) Home Facebook

    Shared from the Avon Hills Mining Awareness Group time lapse photos that show the creep of bauxite mining across the landscape over 30 years. If bauxite miners are ever allowed to move into Chittering this will be their intent.

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  • Bauxite Alumina Joint Ventures withdraws EPA Application

    Bauxite Alumina Joint Ventures withdraws EPA Application

    Home News Bauxite Alumina Joint Ventures withdraws EPA Application for mining proposal. The North Bindoon Referral pre dates the formation of the BAJV which was formed with the objective of establishing both bauxite mining and alumina refining of its bauxite interests. The Northern Valleys News is an independent monthly newspaper

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  • GEOLOGY, MINING OPERATION AND SCHEDULING OF THE

    GEOLOGY, MINING OPERATION AND SCHEDULING OF THE

    PARAGOMINAS BAUXITE MINE Silva HM, Pican231;o E, Maurity C, Morais W, Santos HC and Guimar227;es O* mining system, therefore, needs to optimise waste stripping and allow for ore selectivity. valleys that separate isolated plateaus. The Paragominas bauxite deposits are developed on a 10,000km2 plateau,

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  • Red mud

    Red mud

    Red mud, also known as bauxite tailings, red sludge, bauxite residue, or alumina refinery residues (ARR), is a highly alkaline waste product composed mainly of iron oxide that is generated in the industrial production of alumina (aluminium oxide, the principal raw material used in the manufacture of aluminium metal and also widely used in the

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  • Sierra Minerals  Bauxite

    Sierra Minerals Bauxite

    Welcome to Sierra Minerals (SML) Sierra Minerals has been part of the international industrial and investment group, Vimetco N.V., since July 2008. Sierra Minerals is the only bauxite mine in Sierra Leone and is the second largest mining employer in the country.

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  • Bauxite and Kaolin Deposits of the Irwinton District Georgia

    Bauxite and Kaolin Deposits of the Irwinton District Georgia

    Bauxite and Kaolin Deposits of the Irwinton District Georgia GEOLOGICAL SURVEY BULLETIN 1199 J. bauxite deposits; some of the valleys of Commissioners Creek and Big Sandy HISTORY OP MINING Bauxite was first discovered in the Irwinton district in 1907, the

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  • Guinea  Culture, History,  People  Britannica

    Guinea Culture, History, People Britannica

    Guinea consists of four geographic regions Lower Guinea, the Fouta Djallon, Upper Guinea, and the Forest Region, or Guinea Highlands. Lower Guinea includes the coast and coastal plain. The coast has undergone recent marine submergence and is marked by rias, or drowned river valleys, that form inlets and tidal estuaries.

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  • Scrap Bauxite MoU for Araku Valley  Communist Party of

    Scrap Bauxite MoU for Araku Valley Communist Party of

    But in the case of bauxite, this was reduced to only 1.5%, causing huge revenue loss. Choudhary said that bauxite is a poisonous ore. Indiscriminate and unregulated mining and processing has profusely degraded the quality of water and land in Araku Valley.

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  • Bauxite Deposits of Tennessee   USGS

    Bauxite Deposits of Tennessee USGS

    The bauxite deposits of Tennessee were studied in 1942 and 1943 by the U.S. Geological Survey and the U.S. Bureau of Mines as part of a nationwide strategic minerals investigation undertaken by the Fed173;

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