Road Canyon Formation (TX*)
early Permian (Leonardian)*
Type section: southeast face of spur, 0.5 mi southeast of Peak 5779, 2.4 mi due north of Skinner Ranch, Altuda 15-min quadrangle, Brewster Co., TX. Named from Road Canyon (Cooper and Grant, 1964).
Permian basin*
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 ([ ]).