Usage:
Wall Creek Member of Carlile Shale (UT,WY)
Wall Creek Sandstone Member of Frontier Formation (WY*)
Wall Creek facies (informal) (SD)
For informal usage, the rank or lithologic term should not be capitalized.
Geologic age:
Late Cretaceous (Turonian to Coniacian)*
Type section, locality, area and/or origin of name:
Not designated. Named from the stream Wall Creek, Salt Creek oil field, in T. 38 to 41 N., R. 78 and 79 W., Natrona Co., central WY (Wegemann, 1911).
AAPG geologic province:
Bighorn basin*
Chadron arch
Green River basin*
Powder River basin*
Williston basin
Wind 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 ([ ]).