Bay of Skaill 18 – A harder algal-covered ridge of stone curves across the flagstone bedrock at Bay of Skaill in Orkney. Perhaps this is one of the intrusive camptonite dikes mentioned in the geology books.
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Bay of Skaill 18 – A harder algal-covered ridge of stone curves across the flagstone bedrock at Bay of Skaill in Orkney. Perhaps this is one of the intrusive camptonite dikes mentioned in the geology books.