bauxite
Instance URI: http://resource.geosciml.org/classifier/cgi/commodity-code/bauxite
Within scheme: South Australian Commodity Codes
A residual clay deposit, aluminous laterite, derived from the alteration of basalt lava, containing at least 50% Al(OH)3; used as a source of aluminium and as feedstock for ferrous aluminium sulphate water purification material. Used as proppant for hydraulic fracturing; used as abrasive.