Tetcho Formation
The Tetcho Formation is a stratigraphical unit of Famennian age in the Western Canadian Sedimentary Basin.
| Tetcho Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Underlies | Kotcho Formation |
| Overlies | Trout River Formation Fort Simpson Formation |
| Thickness | up to 75 metres (250 ft) |
| Lithology | |
| Primary | Limestone |
| Other | Shale |
| Location | |
| Coordinates | 60.15500°N 121.30444°W |
| Region | British Columbia Northwest Territories |
| Country | Canada |
| Type section | |
| Named for | Tetcho Lake |
| Named by | H.R. Belyea, D.J. McLaren, 1962 |
It takes the name from Tetcho Lake, and was first described in the Imperial Island River No. 1 well (located south of Trout Lake by H.R. Belyea and D.J. McLaren in 1962.
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