Devil's Golf Course, Death Valley National Park, United States Examples The Qattara Depression in the eastern Sahara Desert contains many such traps which served as strategic barriers during World War II. The crust of salt can conceal a quagmire of mud that can engulf a truck. These minerals reflect the sun's rays (through radiation) and often appear as white areas. Over thousands of years, the minerals (usually salts) accumulate on the surface. If the water cannot drain into the ground, it remains on the surface until it evaporates, leaving behind minerals precipitated from the salt ions dissolved in the water. This happens in climates where the rate of water evaporation exceeds the rate of precipitation - that is, in a desert. They are found in deserts and are natural formations (unlike salt evaporation ponds, which are artificial).Ī salt pan forms by evaporation of a water pool, such as a lake or pond. Natural salt pans or salt flats are flat expanses of ground covered with salt and other minerals, usually shining white under the sun. Salt pan at Lake Karum in Ethiopia Cono de Arita in Salar de Arizaro, Salta ( Argentina) For the tidal feature, see Salt pannes and pools.
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