Tectonic Plate Boundaries

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Presentation transcript:

Tectonic Plate Boundaries Page 99

Think: Plates are moving- moving away, towards, or past each other Think: Plates are moving- moving away, towards, or past each other! What happens??

Plate Boundary Place where edges of tectonic plates meet. 3 Different types of plate boundaries based on motion of the plates:

When two plate collide or crash into each other. 3 Possibilities: Convergent Boundary When two plate collide or crash into each other. 3 Possibilities: Oceanic into Oceanic Oceanic into Continental Continental into Continental  

Convergent Boundary One plate must go under the other. This is called Subduction. Subduction only occurs at convergent boundaries

Subduction One tectonic plate goes under another, back into the mantle to be recycled.

Divergent Boundary When two plates move away from each other Sea floor spreading New lithosphere is created to fill the “gap.”  

Transform Boundary Two plates slide past each other Lithosphere is not created or destroyed