Marvelous Miracles
Watch these video models. The miracles began 100 million years ago in the midst of the breakup of the supercontinent Pangaea.
At the beginning of the animation, the continents that will become Africa and South America are already recognizable, with the Northern Hemisphere continents coming together tens of millions of years later. Blue shows the flow of water, while red shows the intensity of the deposition of new sediments by erosion.