| Winterburn Group | |
|---|---|
| Stratigraphic range: | |
| Type | Geological group |
| Sub-units | Nisku Formation, Calmar Formation, Graminia Formation, Blue Ridge Member |
| Underlies | Wabamun Group |
| Overlies | Ireton Formation |
| Thickness | up to 150 metres (490 ft)[1] |
| Lithology | |
| Primary | dolomite, limestone, siltstone |
| Other | Anhydrite, shale |
| Location | |
| Coordinates | 53°20′42″N 113°41′42″W / 53.3451°N 113.6949°W |
| Region |  Alberta |
| Country |  Canada |
| Type section | |
| Named for | Winterburn, Edmonton |
| Named by | Imperial Oil Limited, 1950 |
The Winterburn Group is a stratigraphical unit of Frasnian age in the Western Canadian Sedimentary Basin.
It takes the name from Winterburn area located west of Edmonton, and was first described in well P.A. Pyrcz No. 1 by Imperial Oil Limited in 1950.[2]
- ^ Cite error: The named reference
lexiconwas invoked but never defined (see the help page). - ^ Geological Staff, Imperial Oil Limited, Western Division, 1950. Devonian Nomenclature in Edmonton Area, Alberta, Canada. Bulletin of the American Association of Petroleum Geologists, Vol. 34, No. 9, pp. 1807-1825.