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 helps explain continental drift in the theory of plate tectonics. When oceanic plates diverge, tensional stress causes fractures to occur in the lithosphere. B...
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http://en.wikipedia.org/wiki/Seafloor_spreading
The mechanism by which new seafloor crust is created at oceanic ridges and slowly spreads away as tectonic plates separate.
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http://jersey.uoregon.edu/~mstrick/geology/geo_glossary_page.html
The mechanism by which new seafloor crust is created at oceanic ridges and slowly spreads away as plates are separating.
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http://midju.tripod.com/glossary.html
The mechanism by which new seafloor crust is created at oceanic ridges and slowly spreads away as plates are separating.
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http://www.encyclo.co.uk/local/21455
The mechanism by which new seafloor crust is created at oceanic ridges and slowly spreads away as plates are separating.
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http://www.fossilmall.com/Science/Glossary.htm
Growth of the ocean crust outwards (sideways) from ocean ridges. The concept of seafloor spreading has been combined with that of continental drift and incorporated into plate tectonics. Seafloor spreading was proposed in 1960 by US geologist Harry Hess (1906–1969), based on his observations of ocean ridges and the relative youth of all ocean ......
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https://www.encyclo.co.uk/local/21221
Process by which ocean floors spread laterally from crests of main ocean ridges. As material moves laterally from the ridge, new material replaces it along the ridge crest by welling upward from the mantle. compare continental drift , plate tectonics
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https://www.encyclo.co.uk/local/22327
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