Dunvegan Formation
Stratigraphical unit in the Western Canadian Sedimentary Basin / From Wikipedia, the free encyclopedia
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The Dunvegan Formation is a stratigraphical unit of Cenomanian age in the Western Canadian Sedimentary Basin.
Quick Facts Type, Underlies ...
Dunvegan Formation | |
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Stratigraphic range: Cenomanian ~99–94 Ma | |
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 | 55.92043°N 118.63203°W / 55.92043; -118.63203 (Dunvegan Formation) |
Region | Northeast British Columbia Northwest Alberta |
Country | Canada |
Type section | |
Named for | Dunvegan, Alberta |
Named by | George Mercer Dawson |
Year defined | 1881 |
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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]