No current usage.
(†Beaver division (TX) considered obsolete.)
Late Cambrian or Early Ordovician
Named from Beaver Creek, Burnet Co., central TX (US geologic names lexicons, USGS Bull. 896, 1200).
Llano uplift
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 ([ ]).