9.5 mechanisms of plate motion
Convective Flow
• The motion of matter resulting from
changes in temperature.
Slab-pull
• A mechanism that contributes to plates
motion in which cool, dense oceanic crust
sinks into the mantle and pul...
Ridge-push
• A mechanism that may contribute to plate
motion; It involves the oceanic lithosphere
sliding down the oceanic...
Mantle plume
• A mass of hotter than normal mantle material
that ascends toward the surface, where it may
lead to igneous ...
What are the mechanism of plate motion?
• They are called slab-pull and ridge-push.
What causes plate motion?
• Scientist generally agree that convection
occurring in the mantle is the basic driving
force f...
Earth science 9.5
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Earth science 9.5

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Earth science 9.5

  1. 1. 9.5 mechanisms of plate motion
  2. 2. Convective Flow • The motion of matter resulting from changes in temperature.
  3. 3. Slab-pull • A mechanism that contributes to plates motion in which cool, dense oceanic crust sinks into the mantle and pulls the trailing lithosphere.
  4. 4. Ridge-push • A mechanism that may contribute to plate motion; It involves the oceanic lithosphere sliding down the oceanic ridge under the pull of gravity.
  5. 5. Mantle plume • A mass of hotter than normal mantle material that ascends toward the surface, where it may lead to igneous activity.
  6. 6. What are the mechanism of plate motion? • They are called slab-pull and ridge-push.
  7. 7. What causes plate motion? • Scientist generally agree that convection occurring in the mantle is the basic driving force for plate movement.

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