9-8 - Eureka Plate Techtonics proof Polar rotation Magnetic...

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Eureka Plate Techtonics proof Polar rotation Magnetic Reversals know sea-floor spreading proof The oldest Rocks in the oceans based on the map from lab 195 (Jurassic) 4.6 billion years old Theories of Continental Drift and Seafloor spreading combined into one grand unified theory Plate Techtonics lithosphere broken into plates that "float" on Divergent plates moving apart ocean ridge Convergent plates moving toward each other Ocean-ocean trenches island arcs continent-continent Tra Transform plates slide past one another A definition of a plate doesn't involve what's in it
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