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South Stack Formation, Anglesey


South Stack

All along the North West coast of Holy Island, Anglesey, there are stunning outcrops of folds.

South Stack Anglesey

Those at South Stack are especially good for showing how smaller folds can form on the “backs” of larger ones – in a truly stunning display of structural geology.

100 Great Geosites

Related Links

Images (top to bottom):
  • Anticline in the South Stack formation © Sarah Wardlaw
  • Folding below the lighthouse © Richard Johnson (Source Creative Commons Attribution-ShareAlike 2.0 license
Earth Science Week

ESW no date badge 2018
October 13 - 21
Theme: 'Earth Science in our lives'