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10 votes
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Is there likely to be coal under the Sahara?

The older rocks underlying the Sahara are mostly granite, schist, or gneiss, all mixtures of igneous and metamorphic rocks forged deep beneath the surface This stable mass of rock has been covered ...
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6 votes

Does the Plate tectonics contradict the theory of continental drift?

I just wanted to augment the other answers with some pictures. Not only there isn't a contradiction, but plate tectonics confirms and explains continental drift. It's the mechanism by which ...
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17 votes

Does the Plate tectonics contradict the theory of continental drift?

Alfred Wegener developed his theory of continental drift in the early 20th century. His theory wasn't well accepted at that time. Geologists of that time had their own not quite scientific ideas ...
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9 votes

Does the Plate tectonics contradict the theory of continental drift?

"Continental Drift" was a theory developed to explain observed phenomena (the coastline of South America and Africa being but one example). Plate tectonics, on the other hand, is the ...
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26 votes
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Does the Plate tectonics contradict the theory of continental drift?

The boundary between the African and South American plate is a 'divergent' boundary. The two continents were joined as part of the Pangean super-continent. In the Cretaceous period a rift opened up ...
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