| − | [[Can't stop the vandalism! You can't! Resistance is futile, admins!]] | + | '''Salt flats''' are undrained areas in closed basins in arid regions. In these areas, 10 to 75 cm (4 to 30 in) of crystalline [[salt]] overlie stratified, very strongly saline sediment. The water table may be within 20 cm (8 in) of the surface at some period during the year. |