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In simple terms, about 60 million years ago volcanic activity forced lava onto that area. The drying lava caused the solidifying lava to crack and form regular pillars of basalt rock, which we see today.

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6y ago
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10y ago

the giants cause way was formed millions of years ago when two plates moved upward causing lasva to spew from the mountain and the lava that was spewed out made the giants causeway!

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8y ago

It comes from the mythology that it was created by Fionn mac Cumhail, an Irish giant.

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6y ago

It was formed by a volcanic eruption.

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Q: How did The Giant's Causeway form?
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