Stonewall Formation
The Stonewall Formation is a stratigraphical unit of Late Ordovician to Early Silurian age in the Western Canadian Sedimentary Basin.
| 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 | 50.1186°N 97.7239°W |
| Region | WCSB Williston Basin |
| Country | Canada |
| Type section | |
| Named for | Stonewall, Manitoba |
| Named by | E.M. Kindle, 1914 |
It takes the name from Stonewall, Manitoba, and was first described in the Stonewall quarry by E.M. Kindle in 1914.
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