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Showing posts from September, 2014

How Do We Know About Pangaea and plate tectonics?

Pangaea is the name given to the super continent that existed up until about 100 million years ago, when it started to break up into the continents we know today. This is all very exciting, but what is more exciting to me is how we even came to know about this in the first place. I found most of this information in a fantastic book by Bill Bryson called "A Short History Of Nearly Everything" which I thoroughly enjoyed reading, in fact probably so much that I have no doubts that I will try to emulate his style of writing in this post and it will most likely end up as a concise summary of one of the chapters from this book.  Pangaea with  the current boarders of today In 1908, when geology was still in it's infancy, a wealthy American geologist named Frank Taylor was among the first people to notice that the facing coastlines of Africa and South America appeared to be extremely similar, in fact they were identical. He went on to develop the idea that the contin