Salt

Symbol	NaCl

This is a short overview. For the background — history, value over time and notable mines — see Salt →

Occurs in: Evaporite Deposits, Sedimentary Beds and Seams →

The mineral halite, worked either by conventional dry rock-salt mining or by pumping and evaporating brine from underground deposits. Used for winter road de-icing, food preservation and seasoning, and as a feedstock for the chemical industry.

Mines

Show these mines on the map

Mine	Region	Worked
Adelaide Mine	Cheshire	1850 or 1852–13 March 1928 (flooded)
Baron's Quay Mine	Cheshire	to 19th century
Boulby Mine	North Yorkshire	1970s–Still active
Crystal Mine, Marston	Cheshire	c. 1850–By 1888 (last worked)
Droitwich Salt Wells	Worcestershire	From around 600 BC–1922
Kilroot Salt Mine	County Antrim	1965–Still active
Lion Salt Works	Cheshire	1894–June 1986
Marston Hall Mine	Cheshire	1850–1851 (sunk)–1905 (last worked)
Marston Old Mine	Cheshire	c. 1775 or 1777–By 1908 (worked out)
Marston Pool Mine	Cheshire	1846 or 1850–1929 (shafts sealed)
Neumann's Mine	Cheshire	19th century–19th century
New Zealand Mine, Marston	Cheshire	c. 1828–By 1908 (flooded)
Stoke Prior Salt Works	Worcestershire	c. 1828–1972
Winsford Rock Salt Mine	Cheshire	1844–Still active