Found cropping out along the beach at Barns Ness, east of Dunbar, Scotland.
Chalk, chert, and basalt predominate.
Spot the basking grey seals.
Hutton's classic unconformity (Devonian red beds over Silurian graywacke and shale).
Some basalt showing a well-developed weathering rind and columnar jointing.
A beautiful view.
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