First published use in Osage Co, KS, Forest City basin; probably named for town of Osage City. Intent to name not stated. No type locality designated. Occurs as "system No. 4" in outcrops 6 mi southeast of Burlingame, but can only be traced a short distance. Is a grayish-white, very soft limestone which is 15 ft thick. Overlies Osage City shale; underlies Burlingame shale. Cross section. Age not given.
Source: GNU records (USGS DDS-6; Denver GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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