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The key principle of plate tectonics is that the lithosphere exists as separate and distinct tectonic plates, which float on the fluid-like (visco-elastic solid) asthenosphere. The relative fluidity of the asthenosphere allows the tectonic plates to undergo motion in different directions. Note: That the Indian and Australian plate aren't separated; they are together forming the Indo-Australian Plate

   * 1 Synopsis on development
   * 2 Key principles
   * 3 Types of plate boundaries
         o 3.1 Transform (conservative) boundaries
         o 3.2 Divergent (constructive) boundaries
         o 3.3 Convergent (destructive) boundaries
   * 4 Driving forces of plate motion
         o 4.1 Friction
         o 4.2 Gravitation
         o 4.3 External forces
         o 4.4 Relative significance of each mechanism
   * 5 Major plates
         o 5.1 Continental drift
         o 5.2 Floating continents
         o 5.3 Plate tectonic theory
               + 5.3.1 Explanation of magnetic striping
               + 5.3.2 Subduction discovered
               + 5.3.3 Mapping with earthquakes
         o 5.4 Geological paradigm shift
   * 6 Biogeographic implications on fauna and flora
   * 7 Plate tectonics on other planets
   * 8 Metaphoric uses
   * 9 See also
   * 10 References
   * 11 External links

own-work

23 Jan 08

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