India fused to Asia 10 million years later than previously thought
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By dating the Indian-Eurasian collision to 10 million years later than previous estimates, Jagoutz and his colleagues concluded that Greater India must have been much smaller than scientists have thought.
Their evidence supports a new timeline of collisional events: Fifty million years ago, India collided with a string of islands, pushing the island arc northward. Ten million years later, India collided with the Eurasian plate, sandwiching the string of islands, now known as the Kohistan-Ladakh Arc, between the massive continents.
"If you actually go back in the literature to the 1970s and '80s, people thought this was the right way. Then somehow the literature went in another direction, and people largely forgot this possibility. Now this opens up a lot of new ideas," Jagoutz said.
The results from the study will be published in Earth and Planetary Science Letters.