What is the evidence for Plate Tectonics?
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What is the evidence for Plate Tectonics?

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http://www.geographyalltheway.com/myp/myp-tectonics/what-tectonics.htm

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What is the evidence for Plate Tectonics? What is the evidence for Plate Tectonics? Presentation Transcript

  • What is the evidence for Plate Tectonics?
  • Keywords to listen for: Pangaea Geological Biological Mesosauraus Limestone Convection Current
  • The Earth is not a solid lump of rock!
  • boy on a raft - dboy
  • Like a raft (crust) floating on a lake (mantle) boy on a raft - dboy
  • If we can prove that Pangaea existed we are also proving that ...
  • Three sorts of evidence:
  • Three sorts of evidence: Geological Evidence
  • Three sorts of evidence: Geological Evidence Biological Evidence
  • Three sorts of evidence: Geological Evidence Biological Evidence Climate Evidence
  • Geological Evidence
  • The Continental Jigsaw: Fit of South America and Africa.
  • Volcanoes and Earthquakes
  • Biological Evidence
  • Mesosauraus
  • Climate Evidence
  • Limestone