• In time,they said, the moving ocean floor is blocked when it comes up against the edge of a continent.

    VOA: special.2010.01.12

  • Mister Wegener said the lighter continental rock floated up through the heavier basalt rock of the ocean floor.

    VOA: special.2010.01.12

  • They said a thin valley in the Atlantic Ocean was a place where the ocean floor splits.

    VOA: special.2010.01.12

  • They are now discovering strange, new species of plants, animals and organisms surviving near hot currents that come out of the ocean floor.

    VOA: special.2009.01.13

  • Also,the continents and the ocean floor are not made of the same kind of rock.

    VOA: special.2010.01.12

  • He says current knowledge of life on the ocean floor is especially limited.

    VOA: special.2009.01.13

  • The ocean floor is basalt rock, a mixture of silicon and magnesium.

    VOA: special.2011.01.04

  • Wegener also noted differences between the continents and the ocean floor.

    VOA: special.2010.01.12

  • He says serpentine or serpentinite, is formed under the ocean floor and is common in coastal areas like California.

    VOA: standard.2010.07.26

  • "Coral reefs only make up about one tenth of one percent of the ocean floor."

    VOA: standard.2010.05.26

  • The trench is an extremely deep hole on the floor of the Indian Ocean.

    VOA: special.2009.03.17

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