DescriptionSea cliff at South Stack - geograph.org.uk - 113500.jpg
English: Sea cliff at South Stack. The photo was taken from South Stack itself, looking across the narrow channel separating the stack from Holy Island. The rocks are pre-Cambrian Greywackes and are approx 600 million years old. The rocks have been contorted and twisted by high pressure and temperature in the earth's crust.
This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Phil Champion and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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== {{int:filedesc}} == {{Information |description={{en|1=Sea cliff at South Stack. The photo was taken from South Stack itself, looking across the narrow channel separating the stack from Holy Island. The rocks are pre-cambrian Greywackes and are approx 6