Usage:
Lagarto Formation (TX)
Lagarto Clay (TX*)
Lagarto Clay of Fleming Group (TX)
Geologic age:
late Tertiary (Miocene)*
Type section, locality, area and/or origin of name:
Name from Lagarto Creek, Live Oak Co., where typically developed (Dumble, 1894; see also Deussen, 1924).
Type section (Lagarto restricted): exposures along Brenham-Houston Highway just west of Brazos River bridge, Washington Co., TX (Plummer, 1933).
AAPG geologic province:
Gulf Coast basin*
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 ([ ]).