Monach Formation
| Monach Formation | |
|---|---|
| Stratigraphic range: Valanginian | |
| Type | Formation |
| Unit of | Minnes Group |
| Underlies | Bickford Formation |
| Overlies | Beattie Peaks Formation |
| Thickness | maximum 350 m (1,150 ft) |
| Lithology | |
| Primary | Sandstone |
| Other | Siltstone, mudstone, coal |
| Location | |
| Coordinates | 55°51′00″N 122°30′00″W / 55.8500°N 122.5°W |
| Region | British Columbia |
| Country | Canada |
| Extent | Western Canadian Sedimentary Basin |
| Type section | |
| Named for | The Monach |
| Named by | W.H. Mathews, 1947 |
The Monach Formation is a geologic formation of Early Cretaceous (Valanginian) age in the Western Canada Sedimentary Basin that consists primarily of sandstone. It is present in the northern foothills of the Canadian Rockies and the adjacent plains in northeastern British Columbia.