Vol 5 Life in the Desert ... Introduction ... Salts and minerals
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Salts and minerals

Salt flats are regions of salty water that have evaporated due to the high temperature and low humidity of a desert region.
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Many desert areas of the world have high concentrations of salt and other minerals. High rates of evaporation result in salt flats or pans that are either completely evaporated or have some surface water.

The Great Salt Lake in the USA and the Kavir in central Iran are examples of salt pans.

Water flowing from mountain ranges may bring other salts into desert regions, like chlorides, sulfates and carbonates. When the water evaporates, the mineral crystals precipitate out.