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Seminole Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Pennsylvanian
 .....Upper Pennsylvanian
 ......Missourian
 .......Seminole Formation
RTOklahoma
SNIn Skiatook Group. Includes Lenapah Limestone, Nowata Shale, Memorial Shale. NE, central, and central S Oklahoma.