Gladstone Formation
The Gladstone Formation is a stratigraphic unit of Early Cretaceous (Aptian) age in the Western Canada Sedimentary Basin. It is present in the foothills of southwestern Alberta and is named for outcrops along Gladstone Creek, a tributary of the Castle River south of the Crowsnest Pass.
| Gladstone Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Blairmore Group, Luscar Group |
| Underlies | Beaver Mines Formation, Moosebar Formation |
| Overlies | Cadomin Formation |
| Thickness | up to about 180 metres (590 ft) |
| Lithology | |
| Primary | Sandstone, siltstone, mudstone |
| Other | Limestone, coal |
| Location | |
| Region | Alberta |
| Country | Canada |
| Type section | |
| Named for | Gladstone Creek |
| Named by | J.R. McLean |
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