The principal minerals in bauxite are gibbsite (), boehmite () and diaspore, whichbauxite how bauxite is mined into aluminaBauxite Wikipedia Bauxite is usually strip mined because it is almost always found near the surface of the terrain, with little or no overburden. As of 2010, approximately 70% to 80% of the world's dry bauxite production is processed first into alumina
· Bauxite is mined in large quantities at ... %), and bauxite (containing colloidal alumina hydrogel), Al2O3 .2H2O (Al2O3 %; %). The iron oxide in bauxite ore is present as haematite or goethite; silica as clay; and free quartz titania as leucoxene or rutile. Bauxite is the principal ore of aluminum which is one of the most important nonferrous metals used in modern .