Scientists have created the most detailed animation of how the Earth’s surface has changed over the past 100 million years, forming continents and oceans. The video released is the most detailed ever made by scientists, depicting the uplift of mountains, the development of ocean basins and the transport of large masses of sediment across the globe through erosion.
Scientists described the model of the formation of the Earth’s surface in an article published in the journal Science. Their animation shows the movement of tectonic plates, which collide with each other to form mountain ranges, and moving apart – ocean basins. Also in the video you can see the formation of mountains and volcanoes (to watch the video, make the news to the end).
“While the dance of the continents is well understood, we are still limited in our understanding and understanding of how the earth’s surface has evolved,” said Tristan Salles, senior lecturer in geosciences at the University of Sydney and lead author of the article.
He explained to LiveScience that the published article proposes a new model that takes into account how the formation of the Earth was influenced by the atmosphere, hydrosphere, tectonic and mantle dynamics.
At the beginning of the video, we can watch how the supercontinent Pangea was falling apart 100 million years ago.
In the video, you can see the recognizable shapes of the continents that would later become Africa and South America. The continents of the Northern Hemisphere will unite only after tens of millions of years.
In blue, the video shows the flow of water, and in red, the intensity of the deposition of new sedimentary rocks by erosion.
“This unprecedented model of the Earth’s recent past will provide geologists with a more complete and dynamic understanding of the Earth’s surface,” said study co-author Laurent Husson, a geologist at the Institute of Geosciences in Grenoble, France.
In the course of the work, the researchers found that the speed of movement of sedimentary rocks around the globe is probably much higher than previously thought by scientists. The reason for this is probably that the sedimentary rocks are fragmentary.
Earlier, GLOBAL HAPPENINGS also talked about scientists who put forward a new theory of the origin of life on Earth.
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Source: Obozrevatel
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