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Polly Bay

Bay
Polly Bay
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What is recorded here

Polly Bay features a sea cliff composed primarily of basalt, formed during volcanic activity in the Paleogene period, around 60 to 55 million years ago. The cliffs are notable for their columnar jointing, a result of the rapid cooling of lava flows, and are part of the broader geological formation associated with the North Atlantic Igneous Province.

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Photo: Iain A Robertson · CC BY-SA 2.0