Stonewall Formation
| Stonewall Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Underlies | Interlake Group |
| Overlies | Stony Mountain Formation |
| Thickness | up to 34 metres (110 ft) |
| Lithology | |
| Primary | dolomite |
| Other | Sandstone, anhydrite |
| Location | |
| Coordinates | 50°07′07″N 97°43′26″W / 50.1186°N 97.7239°W |
| Region | WCSB Williston Basin |
| Country | Canada |
| Type section | |
| Named for | Stonewall, Manitoba |
| Named by | E.M. Kindle, 1914 |
The Stonewall Formation is a stratigraphic unit of Late Ordovician to Early Silurian age in the Western Canadian Sedimentary Basin.
It takes the name from Stonewall, Manitoba, and was first described in the Stonewall quarry by E.M. Kindle in 1914.