Sea Floor S Reading Definition Science

Seafloor definition the solid surface underlying a sea or an ocean.

Sea floor s reading definition science.

Mantle convection is the slow churning motion of earth s mantle. 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. Seafloor spreading theory that oceanic crust forms along submarine mountain zones and spreads out laterally away from them. Sea floor spreading synonyms sea floor spreading pronunciation sea floor spreading translation english dictionary definition of sea floor spreading.

N 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. As the continents move apart whole new oceans. Seafloor spreading synonyms seafloor spreading pronunciation seafloor spreading translation english dictionary definition of seafloor spreading. 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.

Seafloor spreading definition a process in which new ocean floor is created as molten material from the earth s mantle rises in margins between plates or ridges and spreads out. Earlier theories by alfred wegener and alexander du toit of continental drift postulated that. Convection currents carry heat from the lower mantle and core to the lithosphere. Convection currents also recycle lithospheric materials back to the mantle.

That means the rock in the center is the youngest. See also seafloor spreading. Seafloor spreading and other tectonic activity processes are the result of mantle convection. In 1912 when alfred wegener proposed that the continents had once been joined together and had split apart the biggest weakness in his hypothesis was the.