Extraction of salt. Photos fields

At least two thousand years ago began to extract cooking salt by evaporating sea water. This method first appeared in countries with dry and hot climate where water evaporation occurred naturally. Workers on the loading bags of salt at Lake Assal, Djibouti. Every month in this field produces about a thousand tons of salt, which are mainly exported to Ethiopia.Crater Lake Assal - the salt lake in the world (apart from some lakes of Antarctica), its salinity - 34.8%, while the concentration of salt in the Dead Sea - "only" 33.7%.

Sea salt - one of the oldest spices. In addition to sodium chloride, it contains such vital elements as calcium, magnesium, iron, manganese, zinc, bromine and iodine. 

Workers at the unloading of salt brought from the salt marsh Small Kachsky Rann in the Indian state of Gujarat, in 110 kilometers from the state capital Ahmedabad. Gujarat - India's largest region in terms of salt production, while India - the third in the world rankings "salt powers."

Iraqis collect salt in a swampy lowland to wash it and take 

for sale in Basra.

Production of sea salt in Guerrero Negro, Mexico, State of Baja California Sur. The concentration of salt in the special pools filled with sea water, is brought to a maximum, after which the water evaporates in the sun, but the salt crystallizes is collected and processed.

Salt marshes French Ed Mort occupy about 10 thousand hectares, which is comparable to the area of ​​Paris.

Production of sea salt in Guerande, France.

In the mining of rock salt is 40 kilometers from Baku.

On the Azerbaijani salt deposits.

Boy working on the extraction of rock salt is 40 kilometers from the capital of Azerbaijan.

Unloading of salt from solerazrabotok reception center in the Ukrainian city of Saki.

Salt dune Garabogazköl in Turkmenistan.