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Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
Plate Tectonics
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Plate Tectonics

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Transcript

  • 1. UNIT 1 PLATE TECTONICS
  • 2. COMPOSITIONAL AND PHISICAL LAYERS
  • 3. DENSITY AND TEMPERATURE VARIATION IN DEPTH Temperature
  • 4. TYPES OF SEISMIC WAVES
  • 5. SEISMOMETER AND SEISMOGRAM
  • 6. EXPLORING THE INTERIOR WITH SEISMIC WAVES
  • 7. SEISMIC WAVES VARIATION IN DEPTH
  • 8. PANGEA
  • 9. CONTINENTS POSITION THROUGH EARTH’S HISTORY
  • 10. GEOLOGICAL EVIDENCES Same rocks and structures on each side of the Atlantic ocean Continents fit together along the continental shelves
  • 11. PALEOCLIMATIC EVIDENCE Glacial moraines in tropical regions Wegener’s explanation
  • 12. PALEOLITHIC EVIDENCES
  • 13. CONTINENTS EVOLUTION
  • 14. SEISMIC AND VOLCANIC BELTS
  • 15. PLATE TECTONICS
  • 16. PLATE BOUNDARIES FEATURES
  • 17. TYPES OF PLATES BOUNDARIES
  • 18. PLATES MOVEMENTS Divergent boundaries Convergent boundaries Transform boundaries
  • 19. TYPES OF SUBDUCTION BOUNDARIES
  • 20. OCEAN FLOOR LANDFORMS
  • 21. OCEAN FLOOR COMPOSITION
  • 22. SEA FLOOR SPREADING
  • 23. PLATE MOVEMENTS EXPLANATION
  • 24. CONVENCTION CURRENTS

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