It Was Different
They quickly realized that they had made a clerical error. On the Kola Peninsula, at the very least, it is possible that this is not the case. Following their discovery of this, they made a number of other discoveries that lead them to discover something far more remarkable than they had anticipated.
It Was Still Granite
Granite was discovered even at the furthest depths of the drill, according to the researchers. The researchers eventually arrived at the conclusion that the seismic wave change was caused by metamorphic variations in the rock, rather than a shift from granite to basalt.