- Usage in publication:
-
- Lyleton formation
- Modifications:
-
- Revised
- AAPG geologic province:
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- Williston basin
Summary:
Newly assigned to the newly named Qu'appelle group as its basal formation. Overlies Nisku formation (formerly a member of Winterburn formation) of the newly named Saskatchewan group. Consists of red and brown-red dolomitic shale, brown-red dolomitic siltstone, and red anhydritic argillaceous dolomite. Ranges from 50 to 150 ft thick. Cross sections; correlation charts; areal extent map; well-log descriptions. Of Late Devonian age.
Source: GNU records (USGS DDS-6; Denver GNULEX).
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 ([ ]).