The Real Reason Our Planet’s Deepest Hole Was Sealed

A Thrilling Discovery

Even more exciting discoveries were made on the way down to the farthest points of the Kola Superdeep Borehole. Experts had previously assumed that the rock underneath us changed from granite to basalt after surpassing 2 to 4 miles underneath the Earth’s surface.

A Thrilling Discovery

Mistaken

Thanks to the discoveries found in the Kola Superdeep Borehole, they found that this theory was wrong. However, this only applies to the area of the Kola Peninsula. After this, a couple more discoveries unfolded leading to something entirely unexpected.

Mistaken