Çankırı is one of the first production centers that comes to mind in Türkiye when rock salt is mentioned. The rock salt…
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Hengelo and Haaksbergen in the Netherlands: deep Zechstein and Triassic halite, solution mining from roughly 400 to 1,200 metres, brine production and…
Cleveland’s underground rock-salt mine beneath Lake Erie: Silurian Salina Group halite, deep room-and-pillar workings and more than six decades of industrial production.
Hutchinson, Kansas rock salt and Strataca: Permian halite extending across roughly 37,000 square miles, mining at about 650 feet depth and underground…
Hampton Corners mine in New York: deep Salina Group halite, a 1,433-foot shaft and reported daily rock-salt production on the order of…
Ojibway underground salt mine in Windsor, Ontario: Salina Group halite, production since the mid-1950s and large annual capacity serving Canadian and U.S.…
Duzdağ rock-salt mine in Nakhchivan: three main halite layers, an approximately 150-metre salt-bearing mass, archaeological evidence of ancient mining and continuing underground…
Avan underground rock-salt mine in Yerevan, Armenia: workings around 300 metres deep, documented halite samples near 93% NaCl and continuing industrial production.
Varangéville in Lorraine: France’s last active dry rock-salt mine, Triassic halite around 160 metres deep, room-and-pillar extraction and a historic industrial salt…
Realmonte mine in Sicily: Messinian rock salt, thick halite and potash-bearing evaporites, historic reserve estimates around 70 million tonnes and industrial-scale underground…
Racalmuto and Petralia mines in Sicily: Messinian halite, thick evaporite sequences, underground extraction and the broader Sicilian salt-mining province.
Bex salt mine in the Swiss Alps: centuries of underground galleries, historic brine extraction, Alpine evaporite geology and continuing production within Switzerland’s…
Hutchinson Rock Salt Mine and Strataca: Kansas Halite Across 37,000 Square Miles and 650 Feet Underground
Hutchinson, Kansas rock salt and Strataca: Permian halite extending across roughly 37,000 square miles, mining at about 650 feet depth and underground heritage reuse.
Varangéville Rock Salt Mine: France’s Last Active Dry Salt Mine, 160-Metre Depth and Room-and-Pillar Mining
Varangéville in Lorraine: France’s last active dry rock-salt mine, Triassic halite around 160 metres deep, room-and-pillar extraction and a historic industrial salt district.
Realmonte Rock Salt Mine: Sicily’s Messinian Halite, Large Reserves and High-Capacity Underground Production
Realmonte mine in Sicily: Messinian rock salt, thick halite and potash-bearing evaporites, historic reserve estimates around 70 million tonnes and industrial-scale underground production.
Racalmuto and Petralia Rock Salt Mines: Sicilian Messinian Halite and Modern Underground Production
Racalmuto and Petralia mines in Sicily: Messinian halite, thick evaporite sequences, underground extraction and the broader Sicilian salt-mining province.
Bex Rock Salt Mine: Switzerland’s Oldest Active Salt Mine and Centuries of Alpine Galleries
Bex salt mine in the Swiss Alps: centuries of underground galleries, historic brine extraction, Alpine evaporite geology and continuing production within Switzerland’s oldest active salt-mining district.
Sol-Iletsk Rock Salt Mine: More Than 560 Million Tonnes of Explored Salt, 300-Metre Mining Depth and 1.7 Mt/y Capacity
Sol-Iletsk’s Iletsk salt dome in Russia: operator-reported explored reserves above 560 million tonnes, production capacity up to 1.7 million tonnes per year and a deep underground halite mine.
Zipaquirá and Nemocón Rock Salt Mines: Colombian Halite, Solution Mining and the Post-2025 Regulatory Situation
Zipaquirá and Nemocón salt centers in Colombia: historic underground halite mining, solution wells, salt-mine heritage and the 2025 termination of Colsalminas concessions.
Mohammedia Rock Salt Mine: Ain Tekki, Moroccan Halite Production, High-Purity Salt and Export Logistics
Ain Tekki–Mohammedia underground rock-salt mine in Morocco: solid halite extraction, high-purity industrial salt, large operator-reported reserves and Atlantic export access.
Maceió Rock Salt and Solution Mining: Caverns, 2019 Closure, Subsidence and Long-Term Stabilisation
Maceió sal-gema mining in Brazil: solution-mined caverns, the 2018–2019 subsidence investigation, suspension of extraction in 2019 and ongoing closure, monitoring and stabilisation.
Detroit Rock Salt Mine: Michigan Basin, 1,200-Foot Depth, Room-and-Pillar Mining and Halite Beneath the City
Detroit’s underground rock-salt mine: Michigan Basin Salina halite, discovery in 1895, workings roughly 1,100–1,200 feet deep, room-and-pillar mining and more than 100 miles of underground roads.