Earth Science Chapter 19 – the ocean basins section 2 – Features of the Ocean Floor


Continents are outlined in most places by a zone of shallow water where the ocean covers the end of the continent



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Continents are outlined in most places by a zone of shallow water where the ocean covers the end of the continent.

  • The part of the continent that is covered by water is called the continental shelf.

  • The shelf usually slopes gently from the shoreline and drops about 0.12 m every 100 m.

  • The average depth of the water covering a continental shelf is about 60 m.

  • Although it is underwater, a continental shelf is part of the continental margin, not the deep-ocean basin.

  • Changes in sea level affect the continental shelves.



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