 The economical deposits are located at entire pat (local name given to plateau or pleatux) region of eastern and south eastern Surguja including Mainpat, Samari and Jamirapat.Bauxite deposits of these areas are metallurgical grade I.These two major reserves are centred in Samri tehsil and adjacent plateaus – Jamripat, Jaranpat, Lahsunpat, Jonkapat and other small hill rocks.