LAVA BUILDS IS­LANDS FROM SCRATCH

New is­lands will emerge over mil­lions of years.

Science Illustrated - - HAWAII -

The is­lands are made of lava, that leaked from the ocean floor over mil­lions of years. The old­est is­land broke the ocean sur­face five mil­lion years ago. Over time, the vol­ca­noes will die, and the is­lands sink into the ocean, as new vol­canic is­lands emerge.

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