In the beginnings geology of the earththe continents that we know today were different, there were large portions of the surface such as Pangea or Gondwana, and in 300 more years the same situation will be repeated, since the closure of the Pacific Ocean will form Amasia, a clash between Asia and America.
That according to a new study by researchers at Curtin University, published in National Science Review last week, which charts the medium-term geological future of our planet.
“Over the past two billion years, Earth’s continents have collided to form a supercontinent every 600 million years, known as the supercontinent cycle,” study lead author Chuan Hung said in a statement. Press release. “This means that the current continents will meet again in a couple of hundred million years.”
To establish a time frame, the researchers used 4D geodynamic models of the Earth’s tectonic plates.
“The resulting new supercontinent has already been named Amasia because some believe that the Pacific Ocean will close (unlike the Atlantic and Indian Oceans) when the Americas collide with Asia. Australia is also expected to play a role in this major Earth event, first colliding with Asia and then connecting the Americas and Asia once the Pacific Ocean closes.
The Pacific Ocean is what remains of the Panthalassa super ocean that began to form 700 million years ago when the previous supercontinent began to break up. It’s the oldest ocean we have on Earth, and it started shrinking from its maximum size since the time of the dinosaurs. It is currently shrinking in size by a few centimeters per year and its current size of about 10,000 kilometers is expected to take two to three hundred million years to close.
Co-author John Curtin Distinguished Professor Zheng-Xiang Li, also from the Curtin School of Earth and Planetary Sciences, said having the entire world dominated by a single landmass would dramatically alter Earth’s ecosystem and environment.