When Will a Supercontinent Reformation Happen?

This article is taken from Science et Avenir – La Recherche n ° 898, dated December 2021.

When Will a Supercontinent Reformation Happen? This question is the subject of the work of Hannah Davis and Joo Duarte of the University of Lisbon (Portugal), Mathias Green of Bangor University (United Kingdom), and Michael Way of NASA’s Goddard Institute for Space Studies. New York (United States), the results of which were published last July Geochemistry, Geophysics, Geosystems (G3),

halfway between the displacement of Pangea and the birth of a new continent

Researchers agree that we are halfway between the displacement of Pangea and the birth of a new continent. Indeed, in permanent formation the oceanic crust pushes the continental plates back in a geological ballet that promises to disappear and collide. “If we extrapolate from what is happening today, the Mauritanian sea will enter subduction, Pierre Thomas admits, America’s coast will meet Europe and Africa. Australia will collide with China, crushing the Philippines and Indonesia. “In 200 to 250 million years, somewhere on the planet the plates will be together. But where? “The future is difficult to predict, Comment Laurent Jolivet, The convection of the circle that governs the ballet of the continents is unstable, chaotic, like the convection of boiling water in a saucepan. “Four scenarios have been drawn in the past, placing land masses at different latitudes of the planet. Based on the models, the mega-continents are named Novopengia, Pangea Proxima, Amasia or Aurica.

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