Usage:
Appel Ranch Member of Word Formation (TX*)
Originally misspelled Apple Ranch.
Geologic age:
Middle Permian (Guadalupian)*
Type section, locality, area and/or origin of name:
Type locality: north of the Apple [Appel] Ranch which is about 0.5 mi northeast of site of Old Word Ranch, Hess Canyon quadrangle, Brewster Co., Glass Mountains area, western TX (Cooper and Grant, 1966).
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 ([ ]).