| Spirit River Formation | |
|---|---|
| Stratigraphic range: | |
 Falher graywake and shale | |
| Type | Geological formation |
| Unit of | Fort St. John Group |
| Sub-units | Notikewin Member, Falher Member, Wilrich Member |
| Underlies | Peace River Formation |
| Overlies | Bluesky Formation |
| Thickness | up to 348 feet (110 m)[1] |
| Lithology | |
| Primary | sandstone, shale, siltstone |
| Other | coal, ironstone, greywacke |
| Location | |
| Coordinates | 55°46′30″N 118°54′22″W / 55.775°N 118.906°W |
| Region |  Alberta,  British Columbia |
| Country |  Canada |
| Type section | |
| Named for | Spirit River |
| Named by | Badgley, 1952 |
The Spirit River Formation is a stratigraphical unit of middle Albian age in the Western Canadian Sedimentary Basin.
It takes the name from the Spirit River, and was first described in Imperial Oil Spirit River No. 1 well by Badgley in 1952.[2]
- ^ Lexicon of Canadian Geologic Units. "Peace River Formation". Retrieved 2009-02-11.
- ^ Badgley, Peter C., 1952. Notes on the subsurface stratigraphy and oil and gas geology of the Lower Cretaceous series in central Alberta (Report and seven figures); Geological Survey of Canada, Paper No. 52-11, 12 p.