Karnataka is richly endowed with all the listed mineral resources. Gold is mined at Kolar (famous for one of the world's deepest gold mines). Iron ore is abundant in Bellary, Chitradurga, and Tumkur districts. Bauxite is found in Belgaum and Uttara Kannada. Uranium and Thorium deposits exist in parts of the state. Magnesite and Manganese are also present. Therefore, all options A, B, and C are correct minerals found in Karnataka.