Day: 13 January 2019
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Cliff Rigg Quarry
Former whinstone quarry that dominates the modest Cliff Ridge overlooking the village of Great Ayton. The whinstone seam is part of the Cleveland Dyke, a protrusion of very hard volcanic rock cutting through the surrounding soft sedimentary rocks. It was formed 58 million years ago from a volcano near the Isle of Mull and can…