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    Bauxite - Wikipedia

    Bauxite is a sedimentary rock with a relatively high aluminium content. It is the world's main source of aluminium and gallium. Bauxite consists mostly of the aluminium minerals gibbsite (Al(OH)3), boehmite (γ-AlO(OH)) and diaspore (α-AlO(OH)), mixed with the two iron oxides goethite (FeO(OH)) and … See more

    Numerous classification schemes have been proposed for bauxite but, as of 1982 , there was no consensus.
    Vadász (1951) … See more

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    As a bulk cargo, bauxite is a Group A cargo that may liquefy if excessively moist. Liquefaction and the free surface effect can cause the cargo … See more

    The social and environmental impacts of bauxite extraction are well documented. Most of the world's bauxite deposits can be found within 1 to … See more

    • Bárdossy, G. (1982): Karst Bauxites: Bauxite deposits on carbonate rocks. Elsevier Sci. Publ. 441 p.
    • Bárdossy, … See more

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    As of 2010 , approximately 70% to 80% of the world's dry bauxite production is processed first into alumina and then into aluminium by electrolysis. Bauxite rocks are typically classified according to their intended commercial application: metallurgical, … See more

    Bauxite is the main source of the rare metal gallium.
    During the processing of bauxite to alumina in the Bayer process, gallium accumulates in the sodium hydroxide liquor. From this it can be extracted by a variety of methods. … See more

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  2. Aluminium - Wikipedia

  3. Aluminum (Al) Ore | Minerals, Occurrence » Geology Science

  4. Aluminum - Minerals Education Coalition

    Bauxite ore is the main source of aluminum and contains the aluminum minerals gibbsite, boehmite, and diaspore. Aluminum is used in the United States in packaging, transportation, and building. Because it is a mixture of minerals, …

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  5. Bauxite | Properties, Formation, Uses » geologyscience

    Apr 3, 2023 · Bauxite is a sedimentary rock mineral that is the primary source of aluminum. It is formed through the weathering of aluminum-rich rocks in tropical and subtropical regions. The name bauxite is derived from the French village …

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  6. Bauxite | Mining, Refining, Alumina | Britannica

    Oct 10, 2024 · Bauxite, rock largely composed of a mixture of hydrous aluminum oxides. Bauxite is the principal ore of aluminum. Bauxites vary physically according to the origin and geologic history of their deposits: some deposits …

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  8. Bauxite - Sandatlas

    Bauxite is a weathering product of aluminum-bearing rocks (usually igneous rocks). Bauxite is either pale pink, orange, or reddish rock, which often contains rounded concretionary masses of aluminum hydroxides and iron (hydr)oxides. …

  9. Aluminum processing - Ores, Refining, Alloying

    Aluminum has a strong tendency to combine with other common elements and so rarely occurs in nature in the metallic form. Its compounds, however, are an important constituent of virtually all common rocks. It is found in clay, shale, …

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  10. Bauxite 101 - The Aluminum Association

    Bauxite ore is the world’s primary source of aluminum. The ore must first be chemically processed to produce alumina (aluminum oxide). Bauxite is a rock formed from a reddish clay material called laterite soil and is most commonly …

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  11. Aluminum and Bauxite - ScienceViews.com

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