seafloor spreading

(redirected from Oceanic spreading)
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seafloor spreading

n
(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. Also called: ocean floor spreading
Translations

seafloor spreading

[ˌsiːflɔːˈsprɛdɪŋ] n (Geog) → espansione f del fondo marino
References in periodicals archive ?
Now researchers have created a map of the world's seafloor that should help researchers estimate seafloor depths for that huge unknown area, as well as enhance oceanographic research on remote ocean basins and underwater ridges known as oceanic spreading centers.
During Phases 1 and 2, divergent kinematic velocity boundary conditions initiate continental rifting followed by oceanic spreading and the self- consistent growth of rifted continental margins and oceanic lithosphere.
The origin and evolution of oceanic lithosphere: Magamtic processes at oceanic spreading centres: Geoscience Canada, v.
For northwestern South America, plate tectonic stress plays out notably in the ocean-continent, and ocean-ocean and continent-continent plate collision zones, and also along oceanic spreading ridges and transform faults.