Traces of Evidence from Rocks
Somewhere in the Eastern coast of Canada, there were rocks that have been dated by radio-activity to just BEFORE the moment that life became very complex. So if we can understand the circumstances under which the rocks were formed, we may be able to get a clue as to why life suddenly became more complex.In the photo below fragments of red stone are embedded in the darker rock. They look out of place don't they?
In fact, they are. Geologists call them Drop Stones. They were transported here by Glaciers. As the Ice moved off the land, it floated out over the great sea in a great shelf that carries stones that it had gathered on the continents. Then when the ice eventually melted, the stones fell into the sediments on the sea floor.