Scremerston Formation
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| Scremerston Formation | |
|---|---|
| Stratigraphic range: Carboniferous | |
| Type | Formation |
| Unit of | Farne Group |
| Location | |
| Coordinates | 55.2° N, 2.8° W |
| Region | England |
| Country | United Kingdom |
The Scremerston Formation is a geologic formation in England. It preserves fossils dating back to the Carboniferous period.[1]
It consists of layers of sandstone, siltstone, mudstone and coal, with occasional thin dolomite or limestone beds. Sandstones make up about 50% of the formation and are white, grey, brown or reddish brown, forming beds that are typically less than 15 m thick, but are known to reach 60m thick in places. The siltstones and mudstone layers are grey or brownish grey and non-calcareous. About 5% of the formation is made up of coal seams, which reach up to 1.5 m thick.[2] The Scremerston Formation was formed by the actions of a large river delta as well as marine deposits.[3] Evidence of the sedimentary layering is very evident along the cliffs at Cocklawburn beach near Scremerston, with plentiful marine fossils and pavement-like rock formations with wave-ripple cross-lamination.
See also
[edit]
External links
[edit]References
[edit]- ^ "Fossilworks: Gateway to the Paleobiology Database". fossilworks.org. Retrieved 17 December 2021.
- ^ "Scremerston Formation". British Geological Survey. British Geological Survey. Retrieved 14 April 2021.
- ^ Jones, NS (2007). "The Scremerston Formation: results of a sedimentological study of onshore outcrop sections and offshore Well 42/13-2" (PDF). Natural Environment Research Council. British Geological Survey. Retrieved 4 May 2021.
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