The Giant’s Causeway Volcanic History Was 8 Million Years Shorter Than Once Thought
Around 40,000 basalt columns crowd the shoreline of County Antrim, their flat tops and straight edges giving the Giant’s Causeway an almost built appearance. They formed when thick lava cooled, contracted, and cracked around 60 million years ago. The volcanic period behind the landmark was thought to have lasted more…
bubmagJune 17, 2026