Lower contact revised in that Labette shales of the Tulsa group overlie the newly named Claremore shales of the Tulsa. Underlies Oologah formation of Tulsa. Range between 30 and 80 ft thick. Form topographic depression. Has a persistent, buff, fine-grained sandstone in upper part. Extends south from KS into OK as far as the latitude of Nowata, KS on the Chautauqua platform. Stratigraphic chart. Of Pennsylvanian age.
Source: GNU records (USGS DDS-6; Denver GNULEX).
Lower contact revised in that Labette Shale, one of 11 formations of Marmaton Group of Des Moines Supergroup, overlies the newly named Stephens Forest Formation of the Marmaton. Labette underlies the Pawnee Formation of the Marmaton. Nomenclature chart. Of Pennsylvanian, Desmoinesian age.
Source: GNU records (USGS DDS-6; Denver GNULEX).
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