Saskatchewan Group
| Saskatchewan Group Stratigraphic range: Frasnian |
|
|---|---|
| Type | Geological formation |
| Sub-units |
Birdbear Formation Duperow Formation |
| Underlies | Three Forks Group |
| Overlies | Manitoba Group |
| Thickness | up to 350 metres (1,150 ft) |
| Lithology | |
| Primary | Carbonate |
| Other | Evaporite |
| Location | |
| Coordinates | 50°21′18″N 106°54′07″W / 50.355°N 106.902°WCoordinates: 50°21′18″N 106°54′07″W / 50.355°N 106.902°W |
| Region |
WCSB Williston Basin |
| Country |
 Canada United States
|
| Type section | |
| Named for | Saskatchewan |
| Named by | A.D Baillie, 1953 |
The Saskatchewan Group is a stratigraphical unit of Frasnian age in the Western Canadian Sedimentary Basin.
It takes the name from the province of Saskatchewan, and was first described in the Mobil Oil Woodley Sinclair Cantuar X-2-21 well by A.D Baillie in 1953.
The Saskatchewan Group is composed of carbonates with thin evaporites.
The Saskatchewan Group reaches a maximum thickness of 350 metres (1,150 ft). It is present in the sub-surface throughout the Williston Basin.
The Saskatchewan Group contains the following formations, from top to base:
The Saskatchewan Group is conformably overlain by the Three Forks Group and conformably overlays the Manitoba Group carbonates.
It is equivalent to the upper Beaverhill Lake Formation, the Woodbend Group and the lower part of the Winterburn Group in central Alberta, and with the Jefferson Group in Montana and North Dakota.
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