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Castles

Cliff
Castles
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What is recorded here

Castles is a sea cliff composed primarily of Carboniferous limestone, formed around 340–320 million years ago through the accumulation of marine sediments. The cliff is notable for its exposure of durable limestone strata, which are significant for understanding the geological history of the Durham region and for providing habitat for coastal flora and fauna.

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Photo: Mike Quinn · CC BY-SA 2.0