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8 Cards in this Set

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  • Back
sea floor spread
the process when motlen adds new oceanic crust to the ocean floor
mid ocean ridge
the undersea mountain chain were new ocean floor is produced
subduction
the process by which oceanis crust sinks in to a trentch, then the mantle
plate tectonic
the theory that pecies of the earths lithosphreare are in constant motion (drivin by convection currents inmantle)
fault
a break in earths crust were slabs of rock slip past each other
transform boundry
2 plates move past each other in opposite directions
divergent boundry
2 plates move away from each other
convergent boundry
2 plates move toward each other