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Precambrian |
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Precambrian, Pre-Cambrian of, denoting, or formed in the earliest geological era, which lasted for about 4 000 000 000 years before the Cambrian period Precambrian [prē′kam·brē·ən] (geology) All geologic time prior to the beginning of the Paleozoic era (before 600,000,000 years ago); equivalent to about 90% of all geologic time. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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