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Geology
Sea floor spreading
Term | Definition |
---|---|
Slab pull | The motion of crust that is being subducted |
Ridge push | New crust coming through and pushing the old away. |
Slab suction | |
Mantle drag | |
Plate resistance | |
Geomagnetic resistance | |
Normal polarity | A magnetic field the same as that which presently exist |
Reverse polarity | A magnetic field opposite to that which presently exist |
Hot spot volcanoes | Volcanoes that form from a weak spot in the lithosphere. |