Editing Seafloor spreading (section)

{{Short description|Geological process at mid-ocean ridges}}

[[File:Global Map of Oceanic Plate Age by Fabio Crameri.png|thumb|400px|Age of oceanic lithosphere; youngest (light colour) is along spreading centers]]

'''Seafloor spreading''', or '''seafloor spread''', is a process that occurs at [[mid-ocean ridge]]s, where new [[oceanic crust]] is formed through [[volcanic activity]] and then gradually moves away from the ridge.