Winterburn Group
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The Winterburn Group is a stratigraphical unit of Frasnian age in the Western Canadian Sedimentary Basin.
Quick Facts Type, Sub-units ...
Winterburn Group | |
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Stratigraphic range: Frasnian | |
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 | 53.3451°N 113.6949°W / 53.3451; -113.6949 (Winterburn Group) |
Region | Alberta |
Country | Canada |
Type section | |
Named for | Winterburn, Edmonton |
Named by | Imperial Oil Limited, 1950 |
Close
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]