Usage:
Rock Springs Formation of Mesaverde Group (UT*,WY*)
Subunits:
(alphabetical): /Black Butte Tongue (WY*), Brooks Sandstone Tongue (WY*), Chimney Rock Tongue (WY*), Coulson Shale Tongue (WY*), Gottsche Member (WY) or Gottsche Tongue (WY*), McCourt Sandstone Tongue (WY*), Minnie Gap Sandstone Tongue (UT,WY), Salt Wells Creek Member (WY).
Geologic age:
Late Cretaceous (Campanian)*
Type section, locality, area and/or origin of name:
Not designated (Schultz, 1920).
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 ([ ]).