Abstract

Subsurface correlations of Simpson formations were made throughout Oklahoma in order to establish equivalents between measured outcrop sections in the Arbuckle and Ozark Mountain regions, determine their erosional and depositional limits, illustrate suspected disconformities, and provide units from which data could be mapped. The series of lithofacies maps constructed on isopach bases reveals the ingress of material from the east and northeast, tectonic elements representing incipient Pennsylvanian features, prominent Simpson structural elements, and evidence for obstructions which dissipated current energy, restricting coarse terrigenites to north and northeastern shelf environs.

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