No current usage.
(†Lake Crockett Formation of Eagle Ford Group (TX) abandoned.)
Late Cretaceous
Not designated. Section exposed in the ravine below the spillway of Lake Crockett, Fannin Co., TX, described as most complete section known (McNulty, 1954).
East Texas basin
Ouachita folded belt
South Oklahoma 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 ([ ]).