The unconformities in Oklahoma have never been studied fully and carefully. Their importance for the petroleum industry is such, that a few observations and ideas shall be published as a contribution to this question and an incentive to further study of the proposition.
In virgin territory the petroleum geologist has to figure the structure from surface exposures eventually supplemented by data from water wells, coal mines or other comparatively shallow excavations. In drawing his conclusions as to the structure of the oil bearing strata, he has to assume, where there is no reason against it, that the oil sands are...
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