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Update from the Symposium : 15th July 2011

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  • [BAS Press Release] Scientists discuss what lies beneath the Antarctic Ice Sheet
    Scientists from the British Antarctic Survey and institutes around the world discuss 'what lies beneath the ice' at the International Symposium of Antarctic Earth Sciences in Edinburgh today (Friday 15 July).

    A session: 'Uncovering and unveiling Antarctica' will explore the Gamburtsev Sub-glacial Mountains, in the heart of East Antarctica. These were uncovered during the International Polar Year. It was the first time the geology and topography of the sub-glacial mountains, roughly the size of the European Alps, were mapped using a range of airborne geophysical techniques.

    The big question about these ice covered mountains is why they exist at all, because, unlike other mountain ranges they lie far from the edge of a tectonic plate, where mountains usually form. New maps will improve knowledge of the protracted geological history of the Gamburtsevs, which stretches back over a billion years (before complex life existed). Understanding this geological history allows scientists to propose a new model of how the Gamburtsevs were formed. As the least understood mountain range on Earth they are critical to the long-term stability of the Antarctic ice sheet.

Update from the Symposium : 13th July 2011

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Update from the Symposium : 12th July 2011

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Latest Video Clips

Ice Sheet Stability -- Prof Sridhar Anandakrishnan, Penn State University, US Biological Evolution in Antarctica spanning 100 million years -- Prof Jane Francis, University of Leeds

News Items

Update from the Symposium : 10th July 2011

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Today's presentations focus on the stability of the Antarctic ice sheet and its contribution to future sea level rise and records of past significant rapid change. The structure and evolution of the Gondwanda supercontinent involving the tectonic history of Antarctic continent is also being addressed.

News Stories:

Videos from the Press Conference this morning:

Antarctica's Hidden World - Dr Fausto Ferraccioli, British Antarctic Survey Geological Evolution of the Supercontinent - Prof Simon Harley, University of Edinburgh
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