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Drift Essay Topics & Paper Examples

My understanding of continental drift

The present arrangement of the continents with similarities in outline of opposite seaboards and coasts and, much more reliably, geological data show that the Earth’s continents that are now on the opposite sides of the oceans were once joined together. Today, scientists believe that about 200 million years ago the continents were joined together to form one supercontinent Pangaea. As the plates that the continents sit on moved, the supercontinent broke up and began to move apart. This continental drift is continuing. However, the ideas of continental drift and especially seafloor spreading remained a minority view until 1950s, when seismic techniques made possible surveying of the crust under the oceans. Then, in the 1950s, it was discovered that the oceanic…