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Halite (NaCl) is extracted by mining or from seawater by crystallization/recrystallization.
Halite, or rock salt, is typically mined through traditional methods such as drill-and-blast or continuous mining techniques. Once extracted from the mine, halite is crushed, screened, and separated into different size fractions. The processed halite is then either used directly as salt or further refined through evaporation or solution mining to produce different types of salt products.
one positive effect of mining is you get some needed & not needed resources
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Rock salt is mined by several companies, all of which are mining companies. The second technique is to evaporate brine. There are many mining company names such as Detroit Salt Company, the Merkers Mine, and American Rock Salt.
Thomas M. Akabzaa has written: 'Boom and dislocation' -- subject(s): Environmental aspects of Gold mines and mining, Gold mines and mining, Social aspects of Gold mines and mining