Team finds Earth's 'oldest rocks'

Team finds Earth's 'oldest rocks'Team finds Earth's 'oldest rocks' External link

Earth's most ancient rocks, with an age of 4.28 billion years, have been found on the shore of Hudson Bay, Canada. Writing in Science journal, a team reports finding that a sample of Nuvvuagittuq greenstone is 250 million years older than any rocks known.

Tagsgeologyprehistoric civilization
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