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Scientists Discover Massive "Ocean" Near Earth's Core - NDTV

Scientists Discover Massive "Ocean" Near Earth's Core - NDTV

Scientists Discover Massive
Oct 02, 2022 59 secs

The transition zone's high water content has far-reaching consequences (Representational Image).

The water has been found between the transition zone of the Earth's upper and lower mantle.

The study confirmed something that for a long time it was just a theory, namely that ocean water accompanies subducting slabs and thus enters the transition zone.

But until now it was unclear just how much enters the transition zone in the form of more stable, hydrous minerals and carbonates -- and it was therefore also unclear whether large quantities of water really are stored there.".

The dense minerals wadsleyite and ringwoodite can (unlike the olivine at lesser depths) store large quantities of water- in fact so large that the transition zone would theoretically be able to absorb six times the amount of water in our oceans.

"In this study, we have demonstrated that the transition zone is not a dry sponge, but holds considerable quantities of water," Brenker says, adding: "This also brings us one step closer to Jules Verne's idea of an ocean inside the Earth." The difference is that there is no ocean down there, but hydrous rock which, according to Brenker, would neither feel wet nor drip water

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