Earth Science | Magazine Articles | VOL. 11, ISSUE 69, November-December 2011 |

CONTINENTAL DRIFT: The Geological Jigsaw

Our earth is about 4.6 billion years old and undergoes a continual cycle of change - the shifting patterns of land and sea, the creation of new crustal rocks, the destruction and recycling of old rocks, etc. are elements of that change. A glance at the map of the world would clearly show that if the continents were cut out like pieces of jigsaw, many could be roughly fitted together. This was first remarked upon as long ago as 1620,...

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