Usage:
Espy Formation of Washita Group (TX)
Geologic age:
Early Cretaceous
Type section, locality, area and/or origin of name:
Low hills upheld by Washita strata east of Love Hogback and southeastern part of Devil Ridge, northern Quitman Mountains, Hudspeth Co., western TX. Named from Espy Ranch about 10 mi east of Love Hogback (Huffington, 1943).
AAPG geologic province:
Permian 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 ([ ]).