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http://www.bbc.com/news/science-environment-26553115
Blue planet: Ringwoodite minerals reveal hints of what things might look like deep within the Earth
Minerals preserved in diamond have revealed hints of the bright blue rocks that exist deep within the Earth.
They also provide the first direct evidence that there may be as much water trapped in those rocks as there is in all the oceans.
The diamond, from central-west Brazil, contains minerals that formed as deep as 600km down and that have significant amounts of water trapped within them.
Researchers have published their findings in the journal Nature.
Blue planet: Ringwoodite minerals reveal hints of what things might look like deep within the Earth
Minerals preserved in diamond have revealed hints of the bright blue rocks that exist deep within the Earth.
They also provide the first direct evidence that there may be as much water trapped in those rocks as there is in all the oceans.
The diamond, from central-west Brazil, contains minerals that formed as deep as 600km down and that have significant amounts of water trapped within them.
Researchers have published their findings in the journal Nature.
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