Paskapoo Formation | |
---|---|
Stratigraphic range: | |
Type | Geological formation |
Underlies | Tertiary gravel, Quaternary sediments, present erosional surface |
Overlies | Scollard Formation, Coalspur Formation |
Thickness | up to 600 metres (1,970 ft)[1] |
Lithology | |
Primary | mudstone, siltstone, sandstone |
Other | conglomerate, coal |
Location | |
Coordinates | 52°21′18″N 113°45′28″W / 52.355031°N 113.757797°W |
Region | Alberta |
Country | Canada |
Type section | |
Named for | Cree: paskapiw, lit. 'He is blind', from Blindman River |
Named by | J.B. Tyrrell, 1887 |
The Paskapoo Formation is a stratigraphic unit of Middle to Late Paleocene age in the Western Canada Sedimentary Basin.[2] The Paskapoo underlies much of southwestern Alberta,[3] and takes the name from the Blindman River (paskapiw means 'He is blind' in Cree[4]). It was first described from outcrops along that river, near its confluence with the Red Deer River north of the city of Red Deer, by Joseph Tyrrell in 1887.[5] It is important for its freshwater aquifers, its coal resources, and its fossil record, as well as having been the source of sandstone for the construction of fire-resistant buildings in Calgary during the early 1900s.
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