Type Formation Country Canada Named for Spray River Underlies Fernie Formation | Thickness 150-450m Region Alberta Overlies Ishbel Group Primary Siltstone, Limestone | |
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The Spray River Formation is a geologic formation in Alberta. It preserves fossils dating back to the Triassic period.
It is divided into the Sulphur Mountain Member (older) and Whitehorse Member (younger).
Lithology
The Spray River Formation consists of dolomitic and calcitic siltstones, silty dolomites and dolomitic limestones and dolomitic very fine sandstones (Sulphur Mountain Member) and dolomites, dolomitic siltstones and limestones and dolomitic and calcitic orthoquartzites and protoquartzites (Whitehorse Member).
References
Spray River Formation Wikipedia(Text) CC BY-SA