Moulding characteristics of Maharashtra Silica sand: Sample No. MSS-7

The sand sample marked MSS-7 received from the Director of Geology and Mining, Government of Maharashtra, Nagpur, was investigated to study its suitability as a foundry moulding material. The sand was collected from the Working pits of the M/S D.6. Sokholkar's Mine in the village Nath, Vengurla Mahal, Ratnagiri district, Maharashtra. It was sedimentary sandstone bed belonging to Kaladgi series (Cuddapah system). The sand stone bed measures about 3000 ft. in length, about 50 ft. in width and 45 ft. deep. Bigger lumps were crushed with hammer s into about " size pieces. Finally the material was powdered into sand in the mortars and number of screenings were done.