Usage:
No current usage.
(†Blue Bluffs division (informal) (TX) replaced with Taylor Group. See Taylor.)
Geologic age:
Late Cretaceous
Type section, locality, area and/or origin of name:
Named from Blue Bluff of the Colorado, 6 mi east of Austin, Travis Co., central eastern TX (US geologic names lexicon, USGS Bull. 896; see also Sellards, Univ. Texas Bull. 3232, p. 455).
AAPG geologic province:
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 ([ ]).