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CH 1 Plate Tectonics

11 words

TermDefinition
the process when molten material adds new oceanic crust to the ocean floor sea-floor spreading
deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle deep-ocean trench
the process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent boundary subduction
a section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust plate
a break in Earth's crust where masses of rock slip past each other fault
a plate boundary where two plates move away from each other divergent boundary
a plate boundary where two plates move toward each other convergent boundary
a plate boundary where two plates move past each other transform boundary
an undersea mountain chain where new ocean floor is produced @ a divergent plate boundary mid-ocean ridge
the hypothesis that the continents slowly move across Earth's surface continental drift
the name of the single landmass that broke apart 200 million years ago and gave rise to today's continents Pangaea
Created by: 6bscience112
 

 



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