Still Granite
Researchers found that there was still granite even at the bottom of the borehole. As time passed, they concluded that the seismic wave change was caused by the metamorphic differences in the rock rather than a shift to basalt.
Still Granite
Something Exceptional
Additionally, the researchers discovered flowing water a few miles below the Earth’s surface. This was a spectacular discovery, as they didn’t expect to find any water this far down in the Earth, but that’s not all!
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Something Exceptional