Usage:
Lyleton Formation (ND)
Lyleton Formation of Qu'Appelle Group (Canada)
Geologic age:
Late Devonian
Type section, locality, area and/or origin of name: (See Canadian Lexicon)
["Type section"] (subsurface): depth-interval 4,080 to 4,160 ft, Robert Moore No. 1 well, LSD 5-20-1-27 West of Principal Meridian (WPM), southwestern Manitoba, Canada (CSPG Western Canada Lexicon).
AAPG geologic province:
Williston 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 ([ ]).