The Real Reason Our Planet’s Deepest Hole Was Sealed

The Kola Superdeep Borehole

Before closing up what is now known as the Kola Superdeep Borehole, the team of researchers found out some fascinating things. At approximately four miles deep, they found small fossils of marine plants. This was certainly a fascinating find.

The Kola Superdeep Borehole

Their Findings

The relics these researchers found were in pristine condition. This was impressive considering how long these fossils had been buried underneath the rock. Additionally, the team of researchers believed that the rock itself was over 2 billion years old.

Their Findings