Tetreauville Formation
The Tetreauville Formation is a geological formation of Upper Ordovician age (Trentonian Stage), extending from the north of Trois-Rivières to the Island of Montreal.[1][2]
| Tetreauville Formation Stratigraphic range: Trentonian | |
|---|---|
 Tetreauville Formation outcropping at the base of Mount Royal. | |
| Type | Geological formation |
| Unit of | Trenton Group |
| Underlies | Utica Shale |
| Overlies | Montreal Formation |
| Thickness | Up to 168 metres (550 ft) |
| Lithology | |
| Primary | Limestone |
| Other | Shale |
| Location | |
| Region | Quebec |
| Country | Canada |
| Type section | |
| Named for | Tétreaultville |
| Named by | T. H. Clark |
| Year defined | 1941 |
References
- "Tetreauville Formation". WEBLEX Canada. Natural Resources Canada. Retrieved 24 December 2019.
- "Formation de Tétreauville". Système d'information géominière du Québec (in French). Quebec Ministry of Energy and Natural Resources. Retrieved 24 December 2019.
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