The 'Great Unconformity' has puzzled scientists since its discovery in the 1870s
Earth's rocks have a missing layer spanning up to a billion years. Scientists finally know what happened to it
Original Source
This article was collected from: Scientific American
Gabeshana News automatically collects article information
from external RSS/Atom sources. The original article remains
available at the source website. Please visit the original
source for the complete article and the latest information.