Plate Tectonics: A whole new way of looking at your planet
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Ocean Floor   
World Ocean Floors

Browse and Click the map for selected close-ups and commentary.
World Ocean Floor Map
by Bruce C. Heezen and Marie Tharp

This amazing piece of work accurately illustrates the Tectonic Earth. Mid-ocean ridges,
the sight of sea-floor spreading, girdle the planet like seams on a baseball. Behold the
giant Pacific Plate, continental shelves, and undersea mountain chains.

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