Brinkman Sandstone of Hennessey Group (OK)
early Permian (Artinskian; Leonardian)
Type section (also considered type locality): southwest of town of Brinkman, in and near NW/4 SW/4 sec. 20, T. 6 N., R. 22 W., Greer Co., OK (Johnson, 1990).
South Oklahoma folded belt
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 ([ ]).