Quaternary evaporite deposits

Significant volumes of Quaternary evaporite salts are normally interpreted as being allied to the distribution of the world’s hot arid deserts. In a general way this is true, but,  the correlation is an oversimplification. A hot arid desert does not necessarily equate to occurrences of laterally extensive bedded evaporites; there must also be a significant long-term brine inflow to the evaporative sump, incoming waters may be meteoric, marine, a hybrid and perhaps the sump is fed brines coming from dissolution of earlier formed salts in the drainage basin, including diapiric salt (Warren, 2016).

 

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