- published: 10 Sep 2015
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A salt mine is a mining operation involved in the extraction of rock salt or halite from evaporite deposits.
Areas known for their salt mines include Kilroot near Carrickfergus, Northern Ireland (over 100 years old with more than 25 km of passages); Khewra and Warcha in Pakistan; Tuzla in Bosnia; Wieliczka and Bochnia in Poland (both established in the mid-13th century and still operating, mostly as museums); Hallstatt and Salzkammergut in Austria; Rheinberg in Germany; Slănic, Cacica, Ocnele Mari, Salina Turda, Târgu Ocna, Ocna Sibiului, and Praid in Romania; Provadiya in Bulgaria; Racalmuto, Realmonte and Petralia Soprana within the production sites managed by Italkali in southern Italy; Avery Island in Louisiana, United States; Saltville, VA, which served as the site of one of the Confederacy's main saltworks; the wich towns of Cheshire and Worcestershire in England; and the Detroit Salt Company's 1,500-acre (10 km2) subterranean complex 1,100 feet (340 m) beneath the city of Detroit. The Sifto Salt Mine in Goderich, Ontario, Canada is one of the largest salt mines in the world. It measures 1.5 miles (2.4 km) wide and 2 miles (3.2 km) long.