[Rockhounds] Super-deep diamond provides first evidence in nature of Earth's fourth most abundant mineral

[Tim Fisher]

Very cool!

Tim Fisher
Orerockon.com




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Subject: [Rockhounds] Super-deep diamond provides first evidence in nature of Earth's fourth most abundant mineral

For the first time, scientists have found Earth's fourth most abundant mineral—calcium silicate perovskite—at Earth's surface.

"Nobody has ever managed to keep this mineral stable at the Earth's surface," said Graham Pearson, a professor in the University of Alberta's Department of Earth and Atmospheric Sciences and Canada Excellence Research Chair Laureate. He explained the mineral is found deep inside Earth's mantle, at 700 kilometres.



Read more at:
https://phys.org/news/2018-03-super-deep-diamond-evidence-nature-earth.html#jCp
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