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Wegener found glacial deposits that showed that 220-300 million years ago sheets of ice covered much of the Southern Hemishpere in areas that now have temperate or tropical climates.
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Mountain ranges were found to have been made of the same material even though they are seperated by oceans.
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Identical fossils were found in different continents in places that could have been previously connected.
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Alfred Weneger develops the hypothesis of Continental Drift.
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Scientists find that the basalt on the ocean floor alternates with it's polarity as a result of Sea-Floor Spreading.
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Harry Hess comes up with the hypothesis of Sea-Floor Spreading.
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Kiyoo Wadati and Hugo Benioff found that the deeper the earthquakes occur, the farther they were from the deep-ocean trenches, which told them that the slabs of ocean floor returned to the mantle after subducting.
