Grosmont Formation
The Grosmont Formation is a stratigraphical unit of Frasnian age in the Western Canadian Sedimentary Basin.
| Grosmont Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Woodbend Group |
| Sub-units | Hondo Member |
| Underlies | Nisku Formation, McMurray Formation |
| Overlies | Ireton Formation, Duvernay Formation |
| Thickness | up to 230 metres (750 ft) |
| Lithology | |
| Primary | Limestone, dolomite |
| Other | siltstone, shale |
| Location | |
| Coordinates | 58°22′N 114°55′W |
| Region | WCSB |
| Country | Canada |
| Extent | 100,000 square kilometres (38,610 sq mi) |
| Type section | |
| Named for | Grosmont, Alberta |
| Named by | H.R. Belyea, 1952 |
It takes the name from the hamlet of Grosmont, Alberta, and was first described in well Imperial Grosmont No. 1, in 13-17-67-23W4M, central Alberta by H.R. Belyea in 1952.
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