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The AAPG/Datapages Combined Publications Database
Journal of Sedimentary Research (SEPM)
Abstract
Occurrence and Lithologic Associations of Evaporites in the United States
W. C. Krumbein
ABSTRACT
Subsurface and outcrop data on evaporites were compiled on maps showing their geographic distribution in geologic systems within the United States. The wealth of data currently available shows that evaporites are more common and widespread than is generally recognized. They are present in all Paleozoic and later systems excepting possibly the Cambrian.
The evaporite occurrences are classified into four common lithologic aspects. These include marine sediments above and below the evaporites, transitions from red beds to normal marine above or below, and evaporites entirely within a red bed sequence. Some aspects occur typically in intracratonic basins, and others on shelf areas. The lithologic associations within the evaporite section are also divisible into four groups, from which inferences may be derived regarding environmental and tectonic conditions of origin.
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