
Lichened Basalt Columns, Iceland

by John Shaw
Title
Lichened Basalt Columns, Iceland
Artist
John Shaw
Medium
Photograph - Photograph
Description
Lichened basalt columns at Stykkisholmur, Iceland. Basalt is an extrusive igneous rock, which means it forms from the cooling of lava on the surface. Contraction of the lava as it cools leads to the geometry of the columns, which have either hexagonal or pentagonal cross-sections.
Uploaded
January 5th, 2015
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