A quadrillion tons of diamonds found under the Earth
A team of scientists studying seismic anomaly to believe that they have discovered diamonds with the aid of sound waves 90 to 150 km under the earth’s surface.
A team of scientists made a huge discovery when they recently discovered a “trillion” tons of diamonds are buried on more than 100 kilometers below the earth’s surface, according to a new study.
Researchers from the Massachusetts Institute of Technology (MIT) and Harvard, the Carnegie Institution of Washington and several other universities used seismic equipment for measuring the speed of the sound waves travel through the earth’s crust.
“Sound waves move with different speeds through the Earth, depending on the temperature, density and composition of the rocks through which they travel,” MIT explained in a press release. “Scientists have made use of this relationship between the seismic velocity and rock composition to estimate the types of rocks that compose the earth’s crust and parts of the upper mantle, also known as the lithosphere.”
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The scientists saw that a sudden peak in the seismic velocities in the direction of the bottom of 200 miles cratons, or areas of the rocks “found under the centre of most of the continental tectonic plates.” To find out what was causing the sound waves to accelerate, the researchers have conducted a number of tests on different rocks and minerals.
“Only one type of rock produced the same speeds as what the seismologists measured: with 1 to 2 percent of the diamond,” the scientists explained in the study.
“We can’t be with them, but there is still a lot more diamonds there than we ever thought before.”
– Ulrich Faul
Therefore, scientists believe that it is safe to conclude, diamonds make up the bottom of the cratons. They estimate that there are about a quadrillion tons trapped in the ancient rocks.
“[Cratons], such as pieces of wood, floating on water,” Ulrich Faul, a scientist in MIT’s Department of Earth, Atmospheric, and Planetary Sciences, said in an online statement. “Cratons are a little bit less heavy than their environment, so they are not subducted back into the Earth, but continue to float on the water.
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The diamonds help to make the miles long rock stable.
Unfortunately, there is no way to access the precious stones — such as drilling are not able to dig 200 miles in the earth’s crust. But the researchers say that it proves diamonds are not as rare as we once thought.
“This shows that diamond is not perhaps these exotic minerals, but on the [geological] scale of things, it is relatively common. We can’t be with them, but there is still a lot more diamonds than we could ever have imagined,” said Faul, in which it becomes clear that there is about 1,000 times more diamonds in the world than initially predicted.
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