. Bauxite deposits are formed by the decomposition of a wide variety of rocks rich in aluminium silicates. . It is an important metal because it combines the strength of metals such as iron with extreme lightness, with good conductivity. . They are mainly found in Amarkantak plateau, Maikal hills and the plateau region of Bilaspur. . Odisha is the largest bauxite producing state. Panchpatmali deposits in Koraput district (Odisha) are the most important bauxite deposits in the state.