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Plate.Tectonics

Plate tectonics history, keywords, and definitions

QuestionAnswer
What is a fault? A fault is a break in the lithosphere along which two bodies of rock can move.
What is a midocean ridge? A midocean ridge is a long elevated region of the ocean floor with a central valley running along its top.
Tectonic Plates are __________. Sections of the lithosphere that move slowly over the surface of the earth.
A trench is a _________________. Narrow elongated depression along the ocean floor.
The continental drift theory was stated by whom? Alfred Wegener
________ was the super-continent 100milion years ago. _______ was the mega-ocean. When the super-continent split, _______ and _______ were created. Pangaea, Panthalassa, Laurasia, and Gondwanaland.
What are the specific layers of the crust, mantle, and core, going deeper in each time? The lithosphere (crust and outer mantle), the asthenosphere (lower mantle), the outer core, and the inner core.
Created by: NathanHeard
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