Plate Techtonics

December 14, 2010 at 9:15 pm Leave a comment

  • Continental drift: continents had move.
  • Pangaea: “All lands”
  • Panthalassa: “All seas”
  • Mid-Atlantic Ridge: Undersea mountain range with a steep narrow valley running down its center.
  • Plate tectonics, “construction” The study of the formation of features in the earths crust.
  • Asthenosphere: A layer of plastic rock
  • Rift Valley:A portion of the earths crust.
  • Subduction Zone: A deep ocean trench generally forms along a subduction zone.
  • Transform Boundary: forms where two plates are grinding past each other.
  • Terranes: Pieces of lithosphere.

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How the Crust is Deformed

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