Gamburtsev sub-glacial range
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'Ghost mountains mystery solved'

Scientists think they can now explain the existence of what are perhaps Earth's most extraordinary mountains.

The Gamburtsevs are the size of the European Alps and yet are totally buried beneath the Antarctic ice.

A geophysical survey of the range was conducted in 2008/9. This allowed researchers to assess the mountains' origin.

Fausto Ferraccioli from the British Antarctic Survey described the history of the Gamburtsevs to our correspondent Jonathan Amos.

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