Wet terrain responsible for Iceland’s hollow lava towers

Normally found underwater, the rocky structures form on land too

By Meghan Rosen, 15:20 PM November 1, 2013

Hollow pillars of lava in an Icelandic valley like those found on the seafloor actually formed when molten rock oozed over soggy land, researchers propose in the Aug. 15 Journal of Volcanology and Geothermal Research.

The rocky structures stand about 2.5 meters tall in the picturesque Skaelingar valley. Though hikers are familiar with the destination’s pillars, they have been overlooked by scientists, says geologist Tracy Gregg of the University of Buffalo in New York. She and a colleague are ...

Source URL: https://www.sciencenews.org/article/wet-terrain-responsible-iceland’s-hollow-lava-towers