Evidence For Sea Floor Spreading Has Come From. As a result the ocean floors move like conveyor. Seafloor spreading occurs because __________.
Mantle convection is the slow churn ing motion of Earths mantle. The oldest rock was found far away from the ridge. Seafloor spreading and other tectonic activity processes are the result of mantle convection.
Concept map below on continental drift how does earths magnetic field provide seafloor spreading process.
Evidence for sea-floor spreading has come from fossils in South America and Africa magnetic minerals on the ocean floor ancient climatic conditions the breakup of. Evidence For Sea Floor Spreading Has Come From Brainly. Geologists believe sea floor spreading results from convection in the mantle and lower crust that brings hotter less dense and more plastic material up toward the surface. In sea-floor spreading the sea floor spreads apart along both sides of a mid-ocean ridge as new crust is added.