Birdwatch Note Rating
2024-11-02 19:51:15 UTC - HELPFUL
Rated by Participant: C756E9B317350BF4105A52A3B9FF7AFC0B986E0B15BFA3F6A3EF2B53015B3FD3
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Original Note:
This is a 10-year old study of minerals in the mantle converting from ringwoodite to perovskite, releasing a small amount of water 440-660 km below the surface. If 1% of the transition zone contains water, three oceans’ worth of water would be just slightly muddy subsoil. https://news.northwestern.edu/stories/2014/06/new-evidence-for-oceans-of-water-deep-in-the-earth/
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