Spray Lakes Group

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. It was named after the Spray Lakes near Banff, Alberta, and fossils of marine invertebrates are found in some of its strata.

Spray Lakes Group
Stratigraphic range:
TypeGroup
Sub-unitsKananaskis Formation
Tunnel Mountain Formation
UnderliesIshbel Group
OverliesRundle Group
ThicknessMore than 600 metres
(2000 ft)
Lithology
Primarydolomite, limestone
OtherSandstone, quartzite, chert
Location
Coordinates50°48′24.1″N 115°15′47.9″W
Region Alberta
Country Canada
Type section
Named forSpray Lakes, Alberta
Named byA. McGugan and J.E. Rapson, 1963
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