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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. |