Scientists have determined the exact age of the earth's crust

An international team of researchers, led by Professor John valley, with a higher accuracy determined the age of the crust. According to their calculations, it amounted to about 4.4 billion years. The countdown starts from the previous phase of our planet's formation, when it was a hot, covered with molten magma ball. This discovery was made possible thanks to the found Western Australia a small fragment of a crystal of zircon. Zircon belongs, perhaps, to the most ancient building material of Earth. His age was able to install by using the technology of the atomic sensing and mass spectrometry of secondary ions.



According to scientists, the Earth is a "cocktail" of different kinds of heterogeneous materials in the Solar system. When our planet was still a "child", she struck the streams of meteorites, and about 4.5 milliard years ago there was a huge accident – a collision with a giant celestial body the size of Mars, and then Earth got its natural satellite – the Moon. It was during this period in the process of cooling of the magma formed crystals of zircon.

Source: techcult.ru