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  • 21 Aug, 2019

  • By, Wikipedia

South Stack Formation
The South Stack Formation is a sequence of Cambro-Ordovician (Furongian to Tremadocian) metasedimentary rocks exposed in northwestern Anglesey, North Wales. 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.

Closer view of the rock formation

References

  1. ^ "South Stack Formation". The BGS Lexicon of Named Rock Units. British Geological Survey. Retrieved 13 October 2014.
  2. ^ "The Geological Society's 100 Great Geosites". The Geological Society. 2014. Retrieved 14 October 2014.

Further reading

  • Phillips, E, 1991. Progressive deformation of the South Stack and New Harbour Groups, Holy Island, Western Anglesey, North Wales. Quarterly Journal of the Geological Society, Vol.148, p. 1091-1100
  • Shackleton, R M, 1954. The structure and succession of Anglesey and the Lleyn Peninsula. British Association for the Advancement of Science, Vol.11, p. 106-108
  • Greenly, E. 1919. Geology of Anglesey. Memoir of the Geological Survey, UK
  • Blake, J F, 1888. The Monian System of rocks. Quarterly Journal of the Geological Society, Vol.44, p. 476-480
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