Google maps satellite view of the environs of the Great Salt Lake in the American state of Utah. The Great Salt Lake is the ultimate sink for surface runoff in the American west. It has no outlets, and thus its waters have high concentrations of dissolved salts. A large evaporite deposit surrounds the Great Salt Lake, marking its extent during the Pleistocene. However just south of the Great Salt Lake lies Utah Lake, which is freshwater. Utah lake maintains low salt content because it has an output stream that drains the lake of water and salt equally; hence it has no evaporite at the bottom. A similar effect may occur on Titan and explain why some dry lakes contain evaporite and others do not.

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