Deep Below, Oceans Of Water May Be Trapped In A Crystal 'Sponge' : The Two-Way : NPR

Deep Below, Oceans Of Water May Be Trapped In A Crystal 'Sponge' : The Two-Way : NPR: "by L. CAROL RITCHIE
June 15, 2014"Science teachers may have to add a whole new layer to the water cycle.

Read more: http://www.npr.org/blogs/thetwo-way/2014/06/15/322246690/deep-below-oceans-of-water-may-be-trapped-in-a-crystal-sponge

Scientists have discovered evidence of a vast reservoir of water hiding up to 400 miles beneath the surface.

The discovery could transform our understanding of how the planet was formed, suggesting that Earth's water may have come from within, rather than from collisions with large, icy comets.

The water is trapped in a blue mineral called ringwoodite that sits in the mantle, a hot, rocky layer between the Earth's crust and outer core. That means the water was neither the familiar liquid, vapor or ice, but a fourth, mineral form. We reported earlier this year on a rare diamond containing a microscopic piece of ringwoodite that bolstered evidence for the vast wet zone.

It is likely the largest reservoir of water on the planet, and could be the source of the oceans' liquid. The study was published in the journal Science.

Read more: http://www.npr.org/blogs/thetwo-way/2014/06/15/322246690/deep-below-oceans-of-water-may-be-trapped-in-a-crystal-sponge

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