Outdoors Magazine

14 Spectacular Basalt Formations

By Gerard @presurfer
14 Spectacular Basalt Formationsimage credit: rwhgould cc
Basalt is a common volcanic rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of our planet. Jointed basalt columns, as the most famous and most beautiful basalt formations, exists on many places on earth. These unusual columns are predominantly hexagonal in cross-section, but basalt polygons with three to twelve or more sides can be observed.

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