Salt mining: mining part Michigan State University
Halite salt (NaCl) can be mined in two different ways: as a solution or in dry mining (see map below). In solution mining, fresh water is injected through a pipe into deep shafts that end in the salt beds, and salty water (brine) is drawn upward and dried, to recrystallize the salt. Or, salty brine found in shallow wells can simply be pumped to ...