Ans: Pakistan is very rich in rock salt (Sodium Chloride). This salt is an integral
in the formulation of a number of chemicals; some of these chemicals are
part of our daily diet; it is also used as preservative, Sodium Chloride is used
used on very large scale in leather and textile industry. Major reserves of the
. Salt mine in Khewra (District Jhelum) is the largest salt mine in Pakistan and
rock salt are found in Kohistan-e-Namak (Salt Range).
the second largest in the world.
· It was first discovered by Alexander the Great troops in 320 BC, but it started
trading in Mughal era.
. The main tunnel was developed in the British rule in 1872. Khewra salt mine
produces more than 350,000 tons of salt per annum.
. Other salt mines are located in Warcha, Kalabagh (the Punjab) and
. Bahadurkhel district Karak (KPK).
. Salt from sea water is obtained in the coastal areas of Lasbela and Makran
in Balochistan and Maripur-Karachi (Sindh).