11/17/2023 0 Comments Largest salt flats in the worldFollowing rain, a thin layer of dead calm water transforms the flat into the world's largest mirror, 129 km (80 mi) across. ![]() The large area, clear skies, and exceptional flatness of the surface make the Salar ideal for calibrating the altimeters of Earth observation satellites. The crust serves as a source of salt and covers a pool of brine, which is exceptionally rich in lithium. It is now covered by a few meters of salt crust, which has an extraordinary flatness with the average elevation variations within one meter over the entire area of the Salar. The Salar was formed as a result of transformations between several prehistoric lakes that existed around forty thousand years ago but had all evaporated over time. ![]() It is in the Daniel Campos Province in Potosí in southwest Bolivia, near the crest of the Andes at an elevation of 3,656 m (11,995 ft) above sea level. Salar de Uyuni (or "Salar de Tunupa") is the world's largest salt flat, or playa, at over 10,000 square kilometres (3,900 sq mi) in area.
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