Imagine the researcher’s surprise when they only found granite — even in the deepest depths of the massive borehole. After careful study, they tried to explain that the change that they had detected in the seismic waves was actually due to metamorphic differences in the rock.
But they were so very wrong. And, to add more confusion, they also discovered flowing water miles beneath the earth — something that nobody had predicted. Photo Credit: Blondinrikard Fröberg