What Did They Find?
As a result of their knowledge that the equipment would not last in those conditions, they decided to stop the project altogether. It had been 22 years since they had first started excavating when they arrived.
Not What They Expected
They made an even more amazing find at the Kola Superdeep Borehole’s furthest reaches! Experts traditionally considered that the rock beneath our feet changed from granite to basalt at two to four miles below the Earth’s surface based on seismic wave measurements.