Geological science a series of processes in which new oceanic lithosphere is created at oceanic ridges spreads away from the ridges and returns to the earth s interior along subduction zones.
Sea floor spreading earth science definition.
Evidence in the rocks not long after hess published his ideas other scientists published their measurements of the magnetic properties of atlantic ocean seafloor basalt or the.
Seafloor spreading and other tectonic activity processes are the result of mantle convection.
Seafloor spreading is a geologic process in which tectonic plates large slabs of earth s lithosphere split apart from each other.
Seafloor spreading is a process that occurs at mid ocean ridges where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge.