Researchers, who have been studying the dramatic changes in the continental configurations of Earth over the past billions of years, have made a stunning observation: that the oldest continental crusts are disintegrating.
According to experts, the Earth’s crust went through expansion and contraction and has transformed not only its positions but also the topography across the entire planet.
From the time Earth came into existence, there has been long-term stability in some cratons of the continental crust and others have gone through little destruction because of mantle convection or tectonic events.
In new research, scientists have investigated the reason behind the deformation of cratons and found that it has happened because of a process called decratonisation. The study has been published in Nature Geoscience. […]
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