Rocks formed by the precipitation of crystals out of evaporating water. The most common evaporitic minerals are halite (NaCl, or table salt), and gypsum (CaSO4ยท2H2O) and anhydrite (CaSO4).
Rocks formed by the precipitation of crystals out of evaporating water. The most common evaporitic minerals are halite (NaCl, or table salt), and gypsum (CaSO4ยท2H2O) and anhydrite (CaSO4).