Usage:
Skinner Ranch Formation (TX*)
Subunits:
(alphabetical) --all in TX*: Decie Ranch Member, Dugout Mountain Member, Poplar Tank Member, Sullivan Peak Member.
Geologic age:
Permian, Early*
Wolfcampian*
Type section, locality, area and/or origin of name:
Type section: west knob of Leonard Mountain, about 1 mi west-northwest of Benchmark 5860, Hess Canyon and Altuda 15-min quadrangles, Brewster Co., TX (Cooper and Grant, 1964).
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 ([ ]).