Usage:
Trapper Creek Formation (ID*,UT*)
Geologic age:
early Permian (earliest Leonardian)*
Type section, locality, area and/or origin of name:
Type section (composite): lower part in Badger Gulch, above type section of Badger Gulch Formation, in NW/4 sec. 20, T. 15 S., R. 20 E., Mahogany, Butte quadrangle; upper part in cliffs above Fall Creek, south of its confluence with Trapper Creek, in center S/2 SE/4 sec. 9, T. 15 S., R. 20 E., Severe Spring quadrangle, 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 ([ ]).