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Liquid metal found in rare diamonds

Жидкий металл обнаружили в редчайших алмазахBy analyzing samples of diamonds, scientists have found that they are formed in the 360-750 kilometers under the ground.

A group of American scientists were able to establish the origin of the large diamonds such as the Cullinan diamond and the Kohinoor. This was reported in the journal Science.

By analyzing samples of diamonds, scientists have found that they are formed in the 360-750 kilometers under the ground. At the same time, the most precious of stones is formed at depths of 150-200 kilometers.

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In addition, in the studied minerals was discovered the metal inclusion, which indicates the presence of oxygen in some parts of the mantle. They are hardened mixture of iron, Nickel, carbon and sulfur, and also contain traces of methane and hydrogen.

“Previous experiments and theories only predicted that at a depth of about 250 kilometers contains a small amount of metal and you have access to oxygen. Now, after the detection of metallic inclusions and hydrogen from methane, we can confirm that theory,” said the study’s lead author Evan Smith.

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Experts noted that data patterns of diamonds is usually unavailable for research due to their high prices. According to them, the discovery is crucial for understanding the cycle of carbon and hydrogen in the mantle.

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