Usage:
Smiths Formation (ID*,WY*)
Smiths Member of Wayan Formation (ID)
Geologic age:
Early Cretaceous*
Type section, locality, area and/or origin of name:
Type section: across ridge 1.1 to 1.4 mi N. 68 deg. W. of Smiths Fork Guard Station, in NW/4 NE/4 sec. 27, T. 29 N., R. 11 W., Lincoln Co., WY (Rubey, 1973).
AAPG geologic province:
Green River 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 ([ ]).