The Bourbon arch, which separates the Cherokee and Forest City basins is a subtle feature and not well expressed at Mississippian level. The Cherokee and Forest City basins have shallow eastern flanks that onlap the Ozark dome in south-central Missouri. The western flanks are steep and faulted against the Nemaha uplift. Pennsylvanian coal-bearing strata were possibly subject to movement of fresh water off the Ozark dome during their burial history.
(directly underlying Pennsylvanian coal-bearing strata)
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Last updated May 2004