An area of coastal flats subject to periodic flooding and evaporation, which result in the accumulation of aeolian clays, evaporites, and salts, typically found in North Africa and Arabia.
- There is strong sedimentological evidence that the evaporites were precipitated in sabkhas or desert salt lakes.
- The preponderance of evidence for intrasediment growth and dissolution of evaporites supports a sabkha and, in particular, a saline mudflat setting.
- Such relationships can be understood if it is recognized that aggradation of the lake deposits and sabkhas was contemporaneous with deflation of subaerial dunes during episodes of generally rising lake level.
Late 19th century: from Arabic sabḳa 'salt flat'.
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