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Published byLeona Thompson Modified over 9 years ago
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Pangaea Super Continent
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Pangaea History Alfred Wegener first proposed the idea in 1912. He called it “Continental Drift”.Wegener He believed that all the continents were connected 200 Million years ago. He named this Super-Continent Pangaea which means “All Land”.
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Proof of Wegener’s Theory 1. Puzzle-like fit: Many of the continents will fit like a puzzle if put together.Puzzle-like fit 2. Fossil Clues: Fossils of the same plants and animals (Mesosaurus) (Glossopteris) were found on different continents separated by thousands of miles of water.MesosaurusGlossopteris
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3. Rock Clues: The exact type of rocks were found on the borders of different continents. 3. Rock Clues 4. Climate Clues: Glaciers and glacial deposits.glacial deposits
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Are The Continents Still On The Move? Answer: Yes. The movement of the continents today causes Earthquakes, Volcanoes, Sea Floor Spreading, and the building of New Mountains.Sea Floor Spreading
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Today’s Proof of Plate Tectonics 1. Fault lines move about 5- 30cm a year. This is about the same speed that your fingernails grow.
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What the last 200 million years looked like.
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The Earth as it is todayEarth
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