Breakthroughs in Geology: Ideas that transformed earth science

Geological research does not flow steadily onwards by means of small incremental advances but can be better understood as a series of significant discoveries or changes in interpretation that transformed the way we understand the Earth. Each of these changes or new ideas encouraged a burst of activity as researchers attempted to apply them more widely in order to test their universality, and thereby their validity as a scientific theory. Probably the best example of such a transformative id...