Cypress Hills Formation
|Cypress Hills Formation
Stratigraphic range: Oligocene
|Thickness||up to 80 metres (260 ft)|
|Named for||Cypress Hills|
|Named by||Williams and Dyer, 1930|
It takes the name from the Cypress Hills, and was first described in outcrops on the slopes of the Cypress Hills by M.Y. Williams and W.S. Dyer in 1930. Type localities are found at Anxiety Butte in south-western Saskatchewan, as well as hill slopes in south-eastern Alberta.
The Cypress Hills Formation reaches a maximum thickness of 80 metres (260 ft) in the sub-surface in Saskatchewan, and is typically 40 metres (130 ft) thick. It occurs in the elevated Cypress hills, as well as in several plateau remnants in south-eastern Saskatchewan, south of the Frenchman River.