Ancient seabed buried deep in Earth can create diamonds, study says

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Diamonds are a woman’s greatest good friend, however the place precisely do they arrive from?

Small quantities of salt trapped inside diamonds present the valuable stones are produced from historic seabeds that had been buried deep inside Earth’s crust, in response to new analysis from a workforce of scientists in Australia.

Researchers had been in a position to conduct experiments demonstrating that seawater in sediment from the ocean’s backside reacts in the fitting approach to produce the steadiness of salts present in diamonds.

They needed to recreate the acute stress and temperatures discovered greater than 124 miles underground.

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“There was a concept that the salts trapped inside diamonds got here from marine seawater, however could not be examined,” lead creator Michael Förster, who works at Goethe Universität and Johannes Gutenberg Universität in Germany, mentioned in a press release. “Our analysis confirmed that they got here from marine sediment.”

The pink legacy diamond is seen above.
((Credit score: Christie’s))

To ensure that the method to work, a big chunk of seafloor must slip all the way down to a depth of greater than 124 miles beneath the floor in a short time in a course of that is often known as subduction, scientists mentioned.

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Based on researchers, the speedy descent is critical as a result of the sediment have to be compressed to greater than 40,000 occasions atmospheric stress earlier than it will probably soften in temperatures of over 800 levels Celsius, or 1,472 °Fahrenheit.

The examine, revealed in Science Advances, settles a long-standing query in regards to the formation of diamonds.

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