Model for Plate Tectonics and for the Earth’s Magnetic Field

The observed preferred longitudes for the virtual geomagnetic poles and the proposed physical explanation for their locality are shown below. If the polarity is reverse then the lower mantle rotates faster while at normal polarity the lower mantle rotes slower. The sign of the rotation changes at the most rigid part of the mantle (subduction zones) where the direction of the slab is opposite to the flow.

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