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Water inside the Earth

14 June 2014

At www.livescience.com/46292-hidden-ocean-locked-in-earth-mantle.html … there is a report on another study that has found an awful lot of potential water between the Mantle and the crust. In January, a team from Liverpool University published a paper on the same subject. In the latest paper, in the journal Science, it is thought Plate Tectonics plays a role, moving water from the Mantle region to the surface (as a result of subduction). The process is hypothetical – and so is subduction, as all this takes place 400 miles below the surface. It has found that Ringwoodite, a mineral that forms from olivine under high pressure and temperature, contains water. It is not present as a liquid, or as ice, or even as vapour, but is trapped in Ringwoodite's molecular structure as hydroxide ions (bonded oxygen and hydrogen atoms).

Remember what Tim Cullen had to say about water in the Mantle, and the role played by oxygen and hydrogen? He seemed to think the origin of the oceans was in the innards of the Earth – and could that possibly be true (go to http://malagabay.wordpress.com/2013/07/13/the-inflating-earth-sea-level/

The same story pops up at http://wattsupwiththat.com/2014/06/13/new-evidence-for-oceans-of-water-d… … where there are many pages of comments. The elephant in the room appears to be Plate Tectonics, a relatively new concoction (see also http://en.wikipedia.org/wiki/Ringwoodite)

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