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Deepest water found 1000km down, a third of way to Earth’s core


JULES VERNE’s idea of an ocean deep below the surface in Journey to the Centre of the Earth may not have been too far off. Earth’s mantle may contain many oceans’ worth of water – with the deepest 1000 kilometres down.

“If it wasn’t down there, we would all be submerged,” says Steve Jacobsen at Northwestern University in Evanston, Illinois, whose team made the discovery. “This implies a bigger reservoir of water on the planet than previously thought.”

This water is much deeper than any seen before, at a third of the way to the edge of Earth’s core. Its presence was indicated by a diamond spat out 90 million years ago by a volcano near the São Luíz river in Juina, Brazil. Full Story

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