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Chapter 3

Chapter 3. Earth Structure and Plate Tectonics. Lecture Outline. 3.1 – Brief History 3.2 – Earth’s Interior is Layered 3.3 – Earthquake Evidence for Layering 3.4 – Earth’s Inner Structure Revealed 3.7 – Plate Tectonics 3.8 – Plate Boundaries 3.9 – Summary Table.

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Chapter 3

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  1. Chapter 3 Earth Structure and Plate Tectonics

  2. Lecture Outline • 3.1 – Brief History • 3.2 – Earth’s Interior is Layered • 3.3 – Earthquake Evidence for Layering • 3.4 – Earth’s Inner Structure Revealed • 3.7 – Plate Tectonics • 3.8 – Plate Boundaries • 3.9 – Summary Table

  3. History of Plate Tectonics

  4. The Earth’s Interior is Layered

  5. Earthquake Evidence of Layering

  6. Earthquake Evidence for Layering

  7. Layers of the Earth Revealed

  8. Isostacy and Buoyancy

  9. Isostatic Readjustment http://www.geo.cornell.edu/hawaii/220/PRI/isostasy.html

  10. Plate Tectonics and Convection

  11. Current Plates and Movement

  12. Seismic Events (1977-1986)

  13. Plate Boundaries, Earthquakes, and Volcanoes http://www.teachersdomain.org/asset/ess05_int_tectonic/

  14. Types of Plate Boundaries http://learn.roguecc.edu/iweb/instructors/index.htm

  15. Divergent Plate BoundariesOcean Basins and Rifts

  16. Convergent Plate BoundariesSubduction- oceanic crust meets continental crust

  17. Convergent Plate BoundariesSubduction- oceanic crust meets oceanic crust

  18. Convergent Plate BoundariesMountain Building- continental crust meets continental crust

  19. Transform Plate Boundaries

  20. Summary of Plate Boundaries

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