Ravenscrag Formation
Stratigraphic unit of early Paleocene age in the Western Canada Sedimentary Basin / From Wikipedia, the free encyclopedia
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The Ravenscrag Formation is a stratigraphic unit of early Paleocene age in the Western Canada Sedimentary Basin.[2] It was named for the settlement of Ravenscrag, Saskatchewan, and was first described from outcrops at Ravenscrag Butte near the Frenchman River by N.B. Davis in 1918.[3]
Quick Facts Type, Sub-units ...
Ravenscrag Formation | |
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Stratigraphic range: Paleocene | |
Type | Geological formation |
Sub-units | Upper Ravenscrag Lower Ravenscrag |
Underlies | Swift Current Formation |
Overlies | Frenchman Formation |
Thickness | up to 244 metres (800 ft)[1] |
Lithology | |
Primary | Claystone, mudstone, siltstone |
Other | Sandstone, coal |
Location | |
Coordinates | 49.50182°N 108.97585°W / 49.50182; -108.97585 (Ravenscrag Formation) |
Region | Western Canada Sedimentary Basin: Alberta Saskatchewan |
Country | Canada |
Type section | |
Named for | Ravenscrag, Saskatchewan |
Named by | N.B. Davis, 1918 |
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The Ravenscrag Formation includes a wide range of vertebrate and plant fossils, as well as economically significant coal seams[4] and clay deposits.[3]