Usage:
No current usage.
(†Tulsa Group (OK) abandoned. See Calvin, Wetumka, Wewoka, and Holdenville.)
Subunits:
(ascending) Claremore Formation, Labette Shales, Oologah Formation, and Nowata Shales
Geologic age:
Pennsylvanian
Type section, locality, area and/or origin of name:
Not stated. Named from Tulsa Co., OK (Gould and others, 1910).
AAPG geologic province:
Chautauqua platform
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).