GEOL105_3

GEOL105_3 - Near the time when we were beginning to...

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Near the time when we were beginning to understand the basics of the ocean  floor. This is a provocative image of the time (1900’s). One can almost see the  impression that India has probably moved northward. 
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People until recently, believed that continents were and have always been where  they are now. They believed that the ocean bases are stable. Not one of them  believed in continental drift. 
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Now it is proven that continents have drifted.  200 million years ago the continents started drifting. 
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Continental drifts started with Atlantic ocean. Continents are shaped in a way that  they fit together like pieces of a puzzle. 
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South American continent and Africa has once been together – as told by  Antonio Pellegrini. He decided to challenge the concept 150 years ago. 
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South America, Africa and Brazil began to drift and separated by the Atlantic  ocean which was very narrow at the time. 
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Alfred Wegener – founder of continental drift theory – meteorologist. In his book 
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This note was uploaded on 02/07/2012 for the course GEOL 105 at USC.

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GEOL105_3 - Near the time when we were beginning to...

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