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  2. Salt mining - Wikipedia

    en.wikipedia.org/wiki/Salt_mining

    Diorama of an underground salt mine in Germany. Inside Salina Veche, in Slănic, Prahova, Romania.The railing (lower middle) gives the viewer an idea of scale. Before the advent of the modern internal combustion engine and earth-moving equipment, mining salt was one of the most expensive and dangerous of operations because of rapid dehydration caused by constant contact with the salt (both in ...

  3. Halite - Wikipedia

    en.wikipedia.org/wiki/Halite

    The Khewra salt mine is a massive deposit of halite near Islamabad, Pakistan. Salt domes are vertical diapirs or pipe-like masses of salt that have been essentially "squeezed up" from underlying salt beds by mobilization due to the weight of the overlying rock. Salt domes contain anhydrite, gypsum, and native sulfur, in addition to halite and ...

  4. Sylvinite - Wikipedia

    en.wikipedia.org/wiki/Sylvinite

    Sylvinite is a sedimentary rock made of a mechanical mixture of the minerals sylvite (KCl, or potassium chloride) and halite (NaCl, or sodium chloride). [ 1 ] [ 2 ] Sylvinite is the most important source for the production of potash in North America , Russia and the UK .

  5. Halide mineral - Wikipedia

    en.wikipedia.org/wiki/Halide_mineral

    Two commercially important halide minerals are halite and fluorite. The former is a major source of sodium chloride, in parallel with sodium chloride extracted from sea water or brine wells. Fluorite is a major source of hydrogen fluoride, complementing the supply obtained as a byproduct of the production of fertilizer. Carnallite and ...

  6. Prairie Evaporite Formation - Wikipedia

    en.wikipedia.org/wiki/Prairie_Evaporite_Formation

    The Prairie Evaporite Formation consists thick beds of halite, with interbeds of anhydrite, dolomite, dolomitic mudstone and claystone.In southern Saskatchewan and northern North Dakota it includes major deposits of sylvite and carnallite that are mined for their potassium content.

  7. Bittern (salt) - Wikipedia

    en.wikipedia.org/wiki/Bittern_(salt)

    Bittern (pl. bitterns), or nigari, is the salt solution formed when halite (table salt) precipitates from seawater or brines. Bitterns contain magnesium, calcium, and potassium ions as well as chloride, sulfate, iodide, and other ions. [2] [3] Bittern is commonly formed in salt ponds where the evaporation of water

  8. Mineral industry of Colombia - Wikipedia

    en.wikipedia.org/wiki/Mineral_industry_of_Colombia

    The traditional halite mining was described by Alexander von Humboldt during his visit to Zipaquira in 1801. [24] Nowadays, the Zipaquirá halite mine contains the Salt Cathedral of Zipaquirá, entirely hand-carved in halite, including the religious icons, ornaments and architectural details; the Salt Park and the national mineralogy museum.

  9. Himalayan salt - Wikipedia

    en.wikipedia.org/wiki/Himalayan_salt

    Himalayan salt (coarse) Himalayan salt from Khewra Salt Mine near Khewra, Punjab, Pakistan Himalayan salt is rock salt mined from the Punjab region of Pakistan. The salt, which often has a pinkish tint due to trace minerals, is primarily used as a food additive to replace refined table salt but is also used for cooking and food presentation, decorative lamps, and spa treatments.