Spray Lakes Group
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| Spray Lakes Group | |
|---|---|
| Stratigraphic range: | |
| Type | Group |
| Sub-units | Kananaskis Formation Tunnel Mountain Formation |
| Underlies | Ishbel Group |
| Overlies | Rundle Group |
| Thickness | More than 600 metres (2000 ft)[1] |
| Lithology | |
| Primary | dolomite, limestone |
| Other | Sandstone, quartzite, chert |
| Location | |
| Coordinates | 50°48′24.1″N 115°15′47.9″W / 50.806694°N 115.263306°W |
| Region | Alberta |
| Country | Canada |
| Type section | |
| Named for | Spray Lakes, Alberta |
| Named by | A. McGugan and J.E. Rapson, 1963[2] |
The Spray Lakes Group is a stratigraphic unit that is present on the western edge of the Western Canada Sedimentary Basin in the southern Canadian Rockies, and it comprises the Pennsylvanian-age strata of that region.[3] It was named after the Spray Lakes near Banff, Alberta,[1] and fossils of marine invertebrates are found in some of its strata.[4]