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Lost continent discovered in Indian Ocean

Researchers have found evidence of an ancient lost continent in the Indian Ocean that “drowned” during continental shifts 85 million years ago.

A well-known tourist destination, Mauritius is located about 1,200 miles (2,000 kilometers) off the coast of Africa, east of Madagascar. Scientists think the tiny island formed some nine million years ago from cooling lava spewed by undersea volcanoes.

But recently, researchers have found sand grains on Mauritius that contain fragments of the mineral zircon that are far older than the island, between 660 million and about 2 billion years old.

In a new study, detailed in the current issue of the journal Nature Geoscience, scientists concluded that the older minerals once belonged to a now vanished landmass, tiny bits of which were dragged up to the surface during the formation of Mauritius.

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Story: Ker Than, National Geographic | Photo: Danita Delimont, Alamy

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