Dunvegan Formation | |
---|---|
Stratigraphic range: Cenomanian ~ | |
Type | Geological formation |
Underlies | Smoky Group |
Overlies | Fort St. John Group (Shaftesbury Formation) |
Thickness | up to 380 feet (120 m)[1] |
Lithology | |
Primary | Sandstone |
Other | Shale |
Location | |
Coordinates | 55°55′14″N 118°37′55″W / 55.92043°N 118.63203°W |
Region | Northeast British Columbia Northwest Alberta |
Country | Canada |
Type section | |
Named for | Dunvegan, Alberta |
Named by | George Mercer Dawson |
Year defined | 1881 |
The Dunvegan Formation is a stratigraphical unit of Cenomanian age in the Western Canadian Sedimentary Basin.
It takes the name from the settlement of Dunvegan, Alberta, and was first described in an outcrop on Peace River near Dunvegan by George Mercer Dawson in 1881.[2]