South Stack Formation
The South Stack Formation is a sequence of late Neoproterozoic metasedimentary rocks exposed in northwestern Anglesey, North Wales.[1] The outcrop of this formation at South Stack was chosen as one of the top 100 geosites in the United Kingdom by the Geological Society of London, for its display of small-scale folding.[2]
| South Stack Formation Stratigraphic range: Ediacaran | |
|---|---|
 Folded metamorphosed sandstones of the South Stack Formation | |
| Type | Geological formation |
| Unit of | Holy Island Group |
| Underlies | New Harbour Group |
| Thickness | Approx. 360 to >1000m |
| Location | |
| Country | .svg.png){kind=small} |
| Type section | |
| Named for | South Stack |
References
- "South Stack Formation". The BGS Lexicon of Named Rock Units. British Geological Survey. Retrieved 13 October 2014.
- "The Geological Society's 100 Great Geosites". The Geological Society. 2014. Retrieved 14 October 2014.
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