Beattie Peaks Formation
| Beattie Peaks Formation | |
|---|---|
| Stratigraphic range: Valanginian | |
| Type | Formation |
| Unit of | Minnes Group |
| Underlies | Monach Formation |
| Overlies | Monteith Formation |
| Thickness | maximum 460 m (1,510 ft) |
| Lithology | |
| Primary | Mudstone |
| Other | Siltstone, sandstone |
| Location | |
| Coordinates | 53°47′00″N 122°35′00″W / 53.7833°N 122.5833°W |
| Region | British Columbia |
| Country | Canada |
| Extent | Western Canadian Sedimentary Basin |
| Type section | |
| Named for | Beattie Peaks |
| Named by | W.H. Mathews |
| Year defined | 1947 |
The Beattie Peaks Formation is a geologic formation of Early Cretaceous (Valanginian) age in the Western Canada Sedimentary Basin that consists primarily of marine mudstone. It is present in the northern foothills of the Canadian Rockies and the adjacent plains in northeastern British Columbia.