Wednesday, September 19, 2012
Popigai: Russia's vast, untouched diamond crater
MOSCOW - In the far north of Siberia, Russian scientists have stepped up research on a once-secret deposit of diamonds whose scale dwarfs anything ever discovered and could turn world markets "upside down". View Larger MapSoviet scientists had in the 1970s uncovered the 100-kilometre (60-mile) Popigai Crater left by a huge asteroid in Siberia 35 million years ago.A closer inspection of the dramatic impact zone -- lying thousands of kilometres from any city -- revealed a fine material that was
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