Blog: New Evidence of Earth’s Deep Water Cycle Reveals a Virtual Buried Ocean
From the KQED Science blog:
“During the last year, whole oceans worth of water have been found in the [Earth's] mantle, hundreds of kilometers below the crust. And a paper in today’s [June 12] issue of Science traces water’s influence all the way down to an important boundary inside the Earth, the top of the lower mantle.”