Blairmore Group
The Blairmore Group, originally named the Blairmore Formation, is a geologic unit of Early Cretaceous age in the Western Canada Sedimentary Basin that is present in southwestern Alberta and southeastern British Columbia. It is subdivided into four formations: Cadomin Formation, Gladstone, Beaver Mines and Ma Butte , all of which are defined by type sections, most of which contain plant fossils. In some areas the Blairmore contains significant reservoirs of natural gas.
| Blairmore Group | |
|---|---|
| Stratigraphic range: Early Cretaceous | |
| Type | Group |
| Sub-units | Cadomin Formation, Gladstone Formation, Beaver Mines Formation, Ma Butte Formation |
| Underlies | Crowsnest Formation, Alberta Group |
| Overlies | Kootenay Group |
| Thickness | up to 2,000 m (6,560 ft) |
| Lithology | |
| Primary | Sandstone, siltstone, mudstone |
| Other | Conglomerate, limestone |
| Location | |
| Region | Alberta British Columbia |
| Country | Canada |
| Type section | |
| Named for | Blairmore, Alberta |
| Named by | W.W. Leach, 1914 |
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