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Team of geologists led by Adam Lewis traversing Beacon Valley's rock covered glacier. Lewis has discovered that the glacier here contains the oldest ice in the world, which has been dated to 8 million years old. The pattern on the glacier is rock debris that forms an isulating layer that is moved by the annual freeze/thaw expansion of the underlying ice.

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STNMTZ_20051110_RAW9526.tif
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© 2006 George Steinmetz
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6144x4089 / 71.9MB
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Antarctica
Team of geologists led by Adam Lewis traversing Beacon Valley's rock covered glacier. Lewis has discovered that the glacier here contains the oldest ice in the world, which has been dated to 8 million years old. The pattern on the glacier is rock debris that forms an isulating layer that is moved by the annual freeze/thaw expansion of the underlying ice.

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