| Foremost Formation | |
|---|---|
| Stratigraphic range: Campanian, | |
 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 |  Alberta |
| Country |  Canada |
| Type section | |
| Named for | Foremost, Alberta[1] |
| Named by | D.B. Dowling, 1915[2] |
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]
- ^ a b Glass, D.J. (editor) 1997. Lexicon of Canadian Stratigraphy, vol. 4, Western Canada including eastern British Columbia, Alberta, Saskatchewan and southern Manitoba. Canadian Society of Petroleum Geologists, Calgary; 1423 p. on CD. ISBN 0-920230-23-7.
- ^ Dowling, D.B. 1915. Southern Alberta. Geological Survey of Canada, Summary Report 1914, Part L, p. 43-51.
- ^ Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press, pp. 574-588. ISBN 0-520-24209-2.
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