The Giant's Causeway is a spectacular expanse of interlocking hexagonal basalt columns formed from volcanic eruptions during the Paleocene some 50-60 million years ago.
Highly fluid molten basalt intruded through chalk beds which later cooled, contracted and cracked into hexagonal columns, creating a surreal visual against a dark and stormy Irish Sea.
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Sunday, 21 January 2018
Thursday, 11 January 2018
Saturday, 6 January 2018
Thursday, 4 January 2018
Tuesday, 2 January 2018
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