Belly River Group
The Belly River Group is a stratigraphical unit of Late Cretaceous age in the Western Canadian Sedimentary Basin.
| Belly River Formation | |
|---|---|
| Stratigraphic range: | |
Belly River beds exposed along the Oldman River | |
| Type | Group |
| Underlies | Bearpaw Formation |
| Overlies | Wapiabi Formation |
| Thickness | up to 1,300 metres (4,270 ft) |
| Lithology | |
| Primary | Sandstone, Shale |
| Other | Conglomerate, Coal, Bentonite |
| Location | |
| Coordinates | 49.63161°N 112.87537°W |
| Region | Alberta |
| Country | Canada |
| Type section | |
| Named for | Belly River |
| Named by | George Mercer Dawson, 1883 |
It takes the name from the Belly River, a tributary of the Oldman River in southern Alberta, and was first described in outcrop on the banks of the Oldman River (at the time considered part of the Belly River) and Bow River by George Mercer Dawson in 1883.
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