The World's Most Surreal Natural Phenomena Are Finally Explained
Advertisement
Columnar Jointing
Columnar jointing or columnar basalt is a geological structure that at first glance might look like something artificial. The facades are basically an intersection of closely spaced fractures, which are also called joints.
commons.wikimedia.org
The jointing can happen in different forms of igneous rocks and are usually made of volcanic rock. Basically, the lava starts to crack, forming the regular shapes we get to see here.
