Mines : Burdwan District
Other Mines : Raniganj coalfield also contains large reserves of iron quality fire clay occurs in the Barakar stage of the Raniganj coalfield. The fire clays, various other types of useful clays occur at several places in the Raniganj coalfield belt, of which, the pottery clays of the Ronei and the light coloured brick clays of Durgapur deserved special mention