Gap Sandstone Member of Tallant Formation of Ochelata Group (OK*)
Pennsylvanian
Not designated. Named from occurrence at top of Gap Ridge, in T. 29 N., R. 12 E., Washington Co., OK (Goldman, 1922).
Chautauqua platform
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
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Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).