Recent researches on the dressing of low-grade Manganese ores in India

Abstract

Mineral industry plays an important in the economy of any industrialised nation. With the increasing industrialization of India, mineral production has been showing a steady increase in recent years, the total value of the minerals produced during 1951 being estimated at over Rs.1,05,86,00,000, as compared to Rs. 83,41,00,000 for the previous year. Coal accounts for about 50 percent of the total but it is followed by manganese ore with 17 percent by value and with a production of 12,83,929 tons in 1951. Expect for a small quantity used up by the indigenous iron and steel industry, manganese ore is at present mostly exported in the raw state.