Massive ocean discovered beneath the Earth’s crust
It feels like there have been staggering science stories emerging every other day recently, all of which have blown our tiny little minds
Now, people are only just realising that there’s a massive ocean hidden under the Earth’s crust.
It turns out there’s a huge supply of water 400 miles underground stored in rock known as ‘ringwoodite’.
Scientists previously discovered that water is stored inside mantle rock in a sponge-like state, which isn’t a liquid, solid or a gas, but instead a fourth state.
The scientific paper titled ‘Dehydration melting at the top of the lower mantle’ was published in 2014 and laid out the findings.
“The ringwoodite is like a sponge, soaking up water, there is something very special about the crystal structure of ringwoodite that allows it to attract hydrogen and trap water,” said geophysicist Steve Jacobsen at the time.
“This mineral can contain a lot of water under conditions of the deep mantle,” added Jacobsen, who was part of the team behind the discovery.
He added: “I think we are finally seeing evidence for a whole-Earth water cycle, which may help explain the vast amount of liquid water on the surface of our habitable planet. Scientists have been looking for this missing deep water for decades.”
Scientists made the findings at the time after studying earthquakes and discovering that seismometers were picking up shockwaves under the surface of the Earth.
From that, they were able to establish that the water was being held in the rock known as ringwoodite.
If the rock contained just 1 per cent water, it would mean that there is three times more water under the surface of the Earth than there is in the oceans on the surface.
See more here msn.com
Header image: Jump! magazine
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Tom
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That same fourth state of water might exist in the body also. I wonder if this deep underground water is salty like the oceans?
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Koen Vogel
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Ocean may be a bit much. At 400 miles depth the pressure and temperature are enormous, so any water is likely tightly bound by crystals and rocks, and not something you could effectively use to irrigate your crops or even use for a eothermal couplet.
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Eric the Red
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Absolutely new discoveries! Gee, I wonder if that old tale about Noah and the entire earth covered with water had any scientific validity? Nah….
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