| Baldonnel Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Schooler Creek Group |
| Sub-units | Ducette Member |
| Underlies | Pardonet Formation, Fernie Formation |
| Overlies | Charlie Lake Formation |
| Thickness | up to 146 metres (480 ft)[1] |
| Lithology | |
| Primary | Limestone, dolomite |
| Other | Siltstone, sandstone |
| Location | |
| Coordinates | 56°06′51″N 122°48′39″W / 56.11404°N 122.81095°W |
| Region | Alberta, British Columbia |
| Country | Canada |
| Type section | |
| Named for | Baldonnel, British Columbia |
| Named by | L.M. Clark, 1957 |
The Baldonnel Formation is a stratigraphical unit of Carnian age in the Western Canadian Sedimentary Basin.
It takes the name from the hamlet of Baldonnel, British Columbia, and was first described in the Pacific Fort St. John No. 16 well by L.M. Clark in 1957.[2] A surface type locality can be found at Brown Hill, on the north shore of Williston Lake, at 56°06′51″N 122°48′39″W / 56.11404°N 122.81095°W.