Friday, March 14, 2014

There's supposedly water in the upper mantle.

ringwoodite diamond
A diamond mine in Brazil has found a rare diamond estimated to have been formed 323 to 410 miles below the Earth's surface. What's interesting is this diamond is composed of ringwoodite which is a mineral only previously found from asteroids, and created in labs. It forms under extreme pressure generally accredited to the upper mantle and what's known as the transition zone. Apparently this chemical is also 1.5% water, in the form of hydroxide ions. Read more about it >>>

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