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Summary
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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
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own-work
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23 Jan 08
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OR
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| 26 janvier 2006 à 02:42 | 682×462 (450 Kio) | Scott Nash | |
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