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Bright Blue Rocks Deep in the Earth

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:old: BBC News Today - Mineral hints at bright blue rocks deep in 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.

600 km is about 373 miles

Full Story - http://www.bbc.com/news/science-environment-26553115

Cheers Beers & Gold

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