Taxonomy term

basalt pillar

Travels in Geology: Basalt cliffs and columns along Nothern Ireland's Causeway Coast Way

Like its neighbor to the south, Northern Ireland is renowned for its green vegetation, but the rocks that underlie this part of the Emerald Isle are also legendary. The Antrim Coast famously hosts a fantastic hike along the coast to one of the most striking examples of columnar basalt in the world, the Giant’s Causeway

03 Jul 2014

Warring trolls explanation for mysterious basalt pillars revised

Peculiar basalt pillars found in Iceland — attributed in local lore to a pair of angry trolls hurling projectiles at each other — are having their origin story updated. In a rare example of nonexplosive lava-water interactions occurring on land, the hollow pillars likely formed around vertical columns of steam and superheated water venting through lava as it flowed over saturated ground, according to a new study.

02 Feb 2014