Massive diamond cache beneath earth

22 July, 2018, 06:54 | Author: Darnell Taylor
  • Diamond is on display at the Rapaport Group in New York. — AFP

This massive stash of diamonds is stored in rock formations called cratons.

(Kitco News) - A staggering diamond discovery hidden deep below the Earth's surface could potentially make the precious stones common. Some penetrate profoundly into the interior of the Earth competent of straightening down around 200 miles deep through the exterior crust and penetrating the planet's mantle therefore the root's identification.

MIT explains that this vast supply of diamonds is likely buried between 90 and 150 miles beneath the Earth's surface.

"This shows that diamond is not perhaps this exotic mineral, but on the [geological] scale of things, it's relatively common", Ulrich Faul, a research scientist in MIT's Department of Earth, Atmospheric, and Planetary Sciences who contributed to the story told Business Insider. "We can't accept them, but there are still more diamonds than we thought before".

These pipes are often found at the end of cratonic roots - roots being the deepest section - in Canada, Siberia, Australia and South Africa, further confirming the theory at cratonic roots are in part made of diamond.

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Other universities involved in the study were the University of California at Santa Barbara, the Institut de Physique du Globe de Paris, the University of California at Berkeley, Ecole Polytechnique, the Carnegie Institution of Washington, Harvard University, the University of Science and Technology of China, the University of Bayreuth, the University of Melbourne, and University College London.

Seismic data can be used to measure what the Earth is made of, because the speed of sound waves changes depending on the temperature, density and composition of the earth they travel through. They are usually cooler and less dense than surrounding rock and result in faster sound waves.

Sound travels through diamond twice as fast as other rocks, so the team of researchers figured there had to be some of the material in the cratons.

Thanks to this method, the scientists managed to notice an unusual behavior of the sound waves while passing through the cratons - they sped up more than it was expected. "So we found that you need 1% to 2% diamonds to make the carats Pass becomes stable without sinking".

"We went through all the different possibilities, from every angle, and this is the only one that's left as a reasonable explanation", Faul said in a statement.

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