Usage:
Wahlstrom Hollow Formation*
Geologic age:
Permian, Early*
Wolfcampian, late*
Type section, locality, area and/or origin of name:
Type section: exposures south of the confluence of Third Fork and Fourth Fork of Rock Creek, south of Rock Creek Road, and up the ridge toward Wahlstrom Hollow, from NE/4 SW/4 NE/4 sec. 32, T. 13 S., R. 19 E. (base) to SW/4 NE/4 SW/4 sec. 32, T. 13 S., R. 19 E., Grand View Peak, Rams Horn Ridge, Trapper Peak, and Pike Mountain 7.5-min quadrangles, Cassia Co., ID (Mytton and others, 1983).
AAPG geologic province:
Great Basin province*
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 ([ ]).