No current usage.
(†Bexar of Hill, 1901 (TX*-Guadalupe River section) abandoned. Is same as Navarro Formation. See Navarro.)
Late Cretaceous (Maastrichtian; Gulfian Provincial Epoch)
Probably named from Bexar Co., south-central TX (US geologic names lexicons, USGS Bull. 896, 1200).
Ouachita 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 ([ ]).