AQA A2 Geography; Unit 1 Plate Tectonics (The Beginning Of The Book)

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The Theory Of Plate Tectonics.

  • Proposed by Alfred Wegener in 1912.
  • His theory stated that a single continent called 'Pangaea' existed about 300 million years ago.
  • Also stated that today's continents are the split descendants of 'Pangaea'.
  • This theory was called the theory of 'continental drift'.

Key Terms (If you don't know these, go and revise and recap, and come back to continue reading this)

  • Hot Spot
  • Plate
  • Plate Tectonics
  • Seismic Waves
  • Tsunami
  • Volcano

Development Of The Theory (Geological)

  • The fit of South America and Africa as continents when physically aligned.
  • Evidence of the glaciation of the late Carboniferous period. (290 million years ago)
  • Deposits found in areas where they no longer…


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