A new geochemical study showed that gold and other precious metals gradually move from the core of the soil to the upper layers of the planet.
Geochemists from the University of Geten in Germany have discovered the evidence that the nucleus of the world gradually “liberates” precious metals, in particular gold, which, along with hot magma, rise to the crust of the soil. The results of the study were published in the journal Nature and Yahoo.
The researchers’ team reviewed the isotopes of Ruthenium – a rare metal belonging to the platinum group. The isotopic composition of volcanic stones collected in Hawaii showed: the part of the metals actually came from the most coral of the planet. Scientists have paid special attention to the isotope of Ruthenii, which, according to data, is characteristic of the nucleus.
“When the first results were received, we realized that we literally stumbled into gold! Our data indicated that the material from the nucleus, including gold, really leaked into the soil mantle,” said geochemist Nils messling.
Scientists explain that more than 99% of all the gold of the soil is concentrated in its core, where it fell during the formation of the planet. This amount is sufficient to cover the entire surface of the ground with a 50-centimeter layer.
It has previously been believed that the core is a fully separate zone. However, new data changes the idea of deep geology. As the geochemist Matthias Willbold noted, large volume of excessive heat increases from the border of the nucleus and mantle on the surface – they created volcanic islands such as Hawaii.
Despite the slow pace of the process, this discovery is an important step in understanding the internal dynamics of the world and will help study other rocky planets.
Earlier it was reported that the origin of gold in the universe could be more diverse than ever before.
They didn’t see water on Mars: Dark stripes turned into dust
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Source: korrespondent
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