China’s Hubei-Jianghan rock-salt province: Yingcheng-Yunmeng and Qianjiang, documented multi-billion-tonne salt resources and large-scale well/solution-mining industry.
India’s limited geological rock-salt resources: Himachal Pradesh’s Mandi-Drang deposit, the 2020 National Mineral Inventory figure of about 12.78 million tonnes and Hindustan Salts operations.
Warcha and Kalabagh mines in Pakistan’s Salt Range: white and pink halite, dated production figures, multiple salt seams, reported average NaCl values and room-and-pillar extraction.
Khewra mine geology in Pakistan’s Salt Range: roughly 150 metres of salt-bearing sequence, white-pink-red halite, a 17-level mine system and continuing room-and-pillar production.
Pakistan’s Salt Range and Kohat rock-salt systems: Khewra, Warcha, Kalabagh, Makrach and Jatta-Bahadur Khel mines, room-and-pillar extraction, purity and production history.
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.
Goderich rock-salt mine beneath Lake Huron: 1866 discovery, underground production since 1959, roughly 1,800-foot depth, 23-metre salt zone and large Salina Group resources.
Cote Blanche underground rock-salt mine in Louisiana: Gulf Coast salt-dome geology, roughly 1,500-foot mining depth, production since 1961, waterway logistics and road-salt markets.
Mexico’s true geological rock-salt systems: Veracruz-Isthmus Salina Formation diapirs, Jáltipan subsurface salt and Jurassic Minas Viejas halite in Nuevo León, separated from large marine saltworks.
Canada’s principal rock-salt geology in southern Ontario: Late Silurian Salina halite, Goderich and Windsor-Ojibway mines, Great Lakes logistics and bedded evaporite resources.
