Usage:
Qu'appelle Group (MT,ND,SD?)
Subunits:
Unknown (U.S.).
Lyleton Formation (Canada).
Geologic age:
Late Devonian
Type section, locality, area and/or origin of name: (See Canadian Lexicon)
Not designated. Named from Qu'appelle River, Manitoba, Canada (Baillie, 1953).
AAPG geologic province:
Williston basin
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.
"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).