Rock Salt

The evaporation of saline waters gives usually saline lakes. Rock salt in deep deposits tends to push its way upward toward the surface, forcing over lying sediments into dome lice arches. Obtained by electrolysis of melted sodium chloride (salt), borax and cryolite. Used in medicine, agriculture and photography. Liquid sodium is sometimes used to cool nuclear reactors. Also used in street lights, batteries, table salt (NaCl), and glass.

A vital in gradient in human and animal diet. Very important in chemical industry for the preparation of soda, in the food preserving industry.