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MODELLING THE OCEANS

The construction method used to assemble the first phase of seafloor crustal plates on spherical models is very simple and very basic. Each coloured seafloor stripe previously shown on the sinusoidal map is simply removed in turn and the remaining map fragments are reassembled by cutting and pasting onto a pre-

Spherical small Earth models of a Jurassic to present-

For each model constructed, as the younger coloured seafloor crustal stripes are progressively removed, the remaining plate boundaries are then reassembled along their common mid-

For the completed small Earth models shown above, as the coloured seafloor stripes are removed in turn it can be seen that the remaining coloured stripes neatly close together on each successive model. Each crustal plate assembles together in a unique, orderly, and predictable manner, during systematic closure of all of the oceans.

By removing the coloured seafloor stripes in succession and refitting the plates together on smaller radius Earth models, each plate is then shown to reunite precisely along their respective mid-

This unique fit-