4 Geography · 4.1.2 Interior of the Earth and plate tectonics

4.1.2.5 Plate tectonics: major plates and divergent, convergent and transform boundaries

The lithosphere is broken into seven major and several minor rigid plates that move over the asthenosphere; where they pull apart, collide or slide past each other we get ridges, trenches, fold mountains, earthquakes and volcanoes.

  • APPSC Group 1
  • Advanced level
  • 9 min read
  • Full course

Key terms

  • plate tectonics
  • McKenzie
  • Parker
  • Morgan
  • 1967
  • seven major plates
  • minor plates
  • divergent
  • convergent
  • transform
  • subduction
  • San Andreas
  • East Pacific Rise
  • Indian plate
  • Himalayas
  • slab pull
  • ridge push

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Mains writingMains writing
  5. Common trapsFoundation
  6. Quick revisionFoundation

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