Definition Of Sea Floor Spreading In Science

Mantle convection is the slow churning motion of earth s mantle.

Definition of sea floor spreading in science.

Seafloor spreading is the mechanism for wegener s drifting continents. Sea floor spreading synonyms sea floor spreading pronunciation sea floor spreading translation english dictionary definition of sea floor spreading. Seafloor spreading and other tectonic activity processes are the result of mantle convection. Information and translations of seafloor spreading in the most comprehensive dictionary definitions resource on the web.

What does seafloor spreading mean. Convection currents also recycle lithospheric materials back to the mantle. Convection currents carry heat from the lower mantle and core to the lithosphere. Spreading rates determine if the ridge is fast intermediate or slow.

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. 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. Seafloor spreading theory that oceanic crust forms along submarine mountain zones and spreads out laterally away from them.

Meaning of seafloor spreading. Spreading rate is the rate at which an ocean basin widens due to seafloor spreading. This idea played a pivotal role in the development of the theory of plate tectonics which revolutionized geologic thought during the last quarter of the 20th century.