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Scientists Discover Earth's Oldest Rocks - Digital Chosunilbo

Story date: 2008-09-25 11:26:00
Added on: 2008-09-26 00:02:32


Scientists have discovered the oldest known rocks. Researchers say the finding will offer clues into the formation of the Earth's crust early in the planet's development. VOA's Jessica Berman reports. The rocks - dated between 3.8 and 4.25 billion ...


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