Spray River Formation
| Spray River Formation Stratigraphic range: Triassic | |
|---|---|
 Spray River Formation exposed at Bow Falls | |
| Type | Formation |
| Underlies | Fernie Formation |
| Overlies | Ishbel Group |
| Thickness | 150-450m |
| Lithology | |
| Primary | Siltstone, Limestone |
| Location | |
| Region | Alberta |
| Country | Canada |
| Type section | |
| Named for | Spray River |
The Spray River Formation is a geologic formation in Alberta. It preserves fossils[1] dating back to the Triassic[2] 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).[2]
See also
References
- ↑ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 8 July 2014.
- 1 2 AAPG Datapages: M. Shafiuddin. "Spray River Formation Near Banff and Cadomin". Retrieved July 12, 2015.
This article is issued from Wikipedia - version of the 7/14/2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.