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Continental Drift Theory

Continental Drift Theory. Continental Drift. 1910s Theory By Alfred Wegener Before Plate Tectonics. Super-Continent PANGAEA. Coast Line Fit:. Africa. South America. Ancient Fossils: Plants and Dinosaurs. Ancient Glaciations. Ancient Glaciations. Matching Mountain Chains.

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Continental Drift Theory

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  1. Continental Drift Theory

  2. Continental Drift • 1910s Theory • By Alfred Wegener • Before Plate Tectonics

  3. Super-Continent PANGAEA

  4. Coast Line Fit: Africa South America

  5. Ancient Fossils: Plants andDinosaurs

  6. Ancient Glaciations

  7. Ancient Glaciations

  8. Matching Mountain Chains

  9. Matching Mountain Chains

  10. Why Do the Continents Drift?

  11. Earth is a Big Magnet

  12. Atoms Line Up

  13. Normal vs. Reversed Magnetic Field

  14. Ancient Poles Positions Changed

  15. Sea Floor Spreading

  16. Plate Tectonics

  17. Continental Drift + Sea Floor Spreading = Plate Tectonics

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