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Press Release 08-165
Oldest Known Rock on Earth Discovered
Bedrock in Canada is 4.28 billion years old
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Bedrock along the northeast coast of Hudson Bay, Canada, has the oldest rock on Earth.
Credit: Jonathan O'Neil |
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Earth's oldest known rock is composed of the mineral amphibole, which contains abundant garnet, seen as large round "spots" in the rock.
Credit: Jonathan O'Neil |
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The findings are published in this week's issue of Science magazine.
Credit: Copyright AAAS 2008 |
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