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Foremost Formation
Geologic formation in Alberta, Canada / From Wikipedia, the free encyclopedia
The Foremost Formation is a stratigraphic unit of Late Cretaceous (Campanian) age that underlies much of southern Alberta, Canada. It was named for outcrops in Chin Coulee near the town of Foremost[1] and is known primarily for its dinosaur remains and other fossils.[3]
Quick Facts Type, Unit of ...
Foremost Formation | |
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Stratigraphic range: Campanian, 78.5–77.5 Ma | |
![]() Outcrops of the Foremost Formation (basal sandstone and MacKay coal zone) along the Milk River at Writing-On-Stone Provincial Park | |
Type | Geological formation |
Unit of | Belly River Group (Judith River Group) |
Underlies | Oldman Formation |
Overlies | Pakowki Formation |
Thickness | up to 170 metres (560 ft) |
Lithology | |
Primary | Sandstone, siltstone, mudstone |
Other | Shale, coal |
Location | |
Region | ![]() |
Country | ![]() |
Type section | |
Named for | Foremost, Alberta[1] |
Named by | D.B. Dowling, 1915[2] |
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