No current usage?
(†Fox Ford Bed (TX) considered abandoned? Uncertain if used by the TX Geol. Survey. Abandoned by the USGS.)
Pennsylvanian
Named from Fox ford on Colorado River, Colorado River region, in central TX mineral region (US geologic names lexicons, USGS Bull. 896, 1200).
Fort Worth syncline
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 ([ ]).