A new study has uncovered the strongest evidence to date that massive meteor impacts played a role in the emergence of continents on Earth. According to this research, the meteorite impacts that separated the continents took place thousands of years ago.
Understanding Earth’s past, about its future to make accurate predictions is of great importance. Some of the studies carried out for this purpose aim to reveal the processes through which our planet came to be as we know it today.
In the past on our planet pangea It is known that there is only one continent called Later on, different theories have been put forward about how this continent broke up. The most important evidence supporting the claim that the continents were separated by the meteor impact, which is among these theories, was announced recently.
Giant meteorites could be what made continents
Curtin School of Earth and Planetary Sciences Dr. Tim Johnsonannounced that they examined the small zircon crystals in the stones found in the Pilbara Craton in Western Australia and found the traces of a huge meteor impact. This region of the world one of the best preserved of its original shell known as.
located in this region zircon isotopes The scientist who worked on it announced that they discovered that the oxygen atoms in the structure were connected in the opposite way. This means that the rocks are exposed to extreme heat, starting at the surface and going deep. This can only be explained by a large meteor impact.
Dr. Johnson says it’s crucial to understand how our planet’s structure was formed and its ongoing change. According to the researcher, the landmasses are almost all peoplecontains most of the living mass and almost all minerals.
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Dr. Tim Johnson’s research, 10 August 2022 on nature was published in the magazine.
Source :
https://scitechdaily.com/new-evidence-that-giant-asteroid-impacts-created-the-continents/