Elk Point Group
The Elk Point Group is a stratigraphic unit of Early to Middle Devonian age in the Western Canada and Williston sedimentary basins. It underlies a large area that extends from the southern boundary of the Northwest Territories in Canada to North Dakota in the United States. It has been subdivided into numerous formations, number of which host major petroleum and natural gas reservoirs.
| Elk Point Group | |
|---|---|
| Stratigraphic range: Early to Middle Devonian | |
| Type | Geological formation |
| Sub-units | Upper and Lower Elk Point Group |
| Underlies | Beaverhill Lake Group, Manitoba Group |
| Overlies | Precambrian to Silurian formations |
| Thickness | up to 610 metres (2,000 ft) |
| Lithology | |
| Primary | dolomite, halite, anhydrite |
| Other | Limestone, shale, potash |
| Location | |
| Coordinates | 53.9053°N 110.6304°W |
| Region | Northern plains |
| Country | Canada United States |
| Type section | |
| Named for | Elk Point |
| Named by | J.R. McGehee |
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