Ravenscrag Formation
The Ravenscrag Formation is a stratigraphic unit of early Paleocene age in the Western Canada Sedimentary Basin. 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.
Ravenscrag Formation | |
---|---|
Stratigraphic range: | |
Type | Geological formation |
Sub-units | Upper Ravenscrag Lower Ravenscrag |
Underlies | Swift Current Formation |
Overlies | Frenchman Formation |
Thickness | up to 244 metres (800 ft) |
Lithology | |
Primary | Claystone, mudstone, siltstone |
Other | Sandstone, coal |
Location | |
Coordinates | 49.50182°N 108.97585°W |
Region | Western Canada Sedimentary Basin: Alberta Saskatchewan |
Country | Canada |
Type section | |
Named for | Ravenscrag, Saskatchewan |
Named by | N.B. Davis, 1918 |
The Ravenscrag Formation includes a wide range of vertebrate and plant fossils, as well as economically significant coal seams and clay deposits.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.