Usage:
Leona Formation (TX*)
Geologic age:
Quaternary (Pleistocene)*
Type section, locality, area and/or origin of name:
Type locality first wide terrace of Nueces and Leona Rivers below level of Uvalde Gravel [Uvalde area, Uvalde Co., TX] (Barnes, project director, Geol. Atlas Texas, San Antonio sheet, 1982 ed.).
Named from Leona River, Uvalde and Zavala Cos., southern TX (Hill and Vaughan, 1898).
AAPG geologic province:
Gulf Coast basin*
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 ([ ]).