<P> Salt has been mined in the region since 320 BC . The Khewra Salt Mines are among the world's oldest and biggest salt mines . Salt is mined at Khewra in an underground area of about 110 square kilometres (42 sq mi). Khewra salt mine has an estimated total of 220 million tonnes of rock salt deposits . The current production from the mine is 325,000 tons of salt per annum . </P> <P> In Reko Diq, Balochistan, deposits of copper and gold are present . Antofagasta, the company which possesses the Reqo Diq field, is targeting an initial production of 170,000 metric tons of copper and 300,000 ounces of gold a year . The project may produce more than 350,000 tons a year of copper and 900,000 ounces of gold . There are also copper deposits in Daht - e - Kuhn, Nokundi, Located in Chaghi district . </P> <P> Iron ore is found in various regions of Pakistan including Nokundi, Chinot and the largest one in Kalabagh (Less than 42% quality), Haripur and other Northern Areas . </P> <P> 11 February, 2015 The reserves were found in Chiniot, around 160 kilometres northwest of Lahore, by Chinese group the Metallurgical Cooperation of China . A senior provincial administrative official told AFP that initial estimates indicated 500 million tonnes of iron ore, a primary ingredient in steel making, had been discovered. The extracted iron had been tested in Swiss and Canadian laboratories, whichwere successful in finding 60 - 65 percent of it to be high grade . </P>

Where are the iron ore deposits of pakistan located