Giant's Causeway in Northern Ireland features around 40,000 exposed polygonal columns of basalt in perfect horizontal sections. Chris Hill/Photodisc via Getty Images The reason patterns often appear ...
Discover the top 5 natural rock formations around the world. Explore how these coolest rock formations and geological wonders ...
This collection of basalt columns was recorded in a canyon north of Molokai, at a depth of just over a mile, according to Nautilus Live Ocean Exploration Trust. YouTube video screengrab Newly recorded ...
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