Introduction
Bauxite is found in many parts of the world, but more particularly in tropical areas. Bauxite is of supergene origin commonly produced by weathering and leaching of silica from aluminum bearing rocks. Bauxite may occur in situ as a direct result of weathering or it may be transported and deposited in sedimentary formation. Gibbsite [Al(OH)3], boehmite and diaspore [AlO(OH)] are the three principal hydrates of aluminum and form the main constituents of bauxite and laterites with gibbsite often being the predominant mineral. Gibbsite or hydrargillite, bayerite and nordstrandite are all polytypes of aluminum trihydroxide. Diaspore is a dimorph of boehmite. Australian soils often contain gibbsite, particularly in the soils of hot humid climates where the topography is suitable for its accumulation as occurs in Northern Queensland. Gibbsite often occurs in association with kaolinite as exemplified by the Weipa deposits of North Queensland (Wilke and Schwertmann, 1977)....
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© 1978 Dowden, Hutchinson & Ross, Inc.
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Frost, R.L. (1978). Bauxite. In: Middleton, G.V., Church, M.J., Coniglio, M., Hardie, L.A., Longstaffe, F.J. (eds) Encyclopedia of Sediments and Sedimentary Rocks. Encyclopedia of Earth Sciences Series. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-3609-5_21
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DOI: https://doi.org/10.1007/978-1-4020-3609-5_21
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