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Thread: [CWBP2] Races

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  1. #4
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    The solid Earth is known to be over 4.04 BY, zircons that old from Australia have been dated by uranium radioactive decay methods. And there is no guarantee that these are the first rocks that formed, only the oldest that we have found so far. Meteorites of the type that formed the Earth are typically about 4.54 BY old, so it can't be older than that.
    Last edited by Chick; 11-02-2014 at 07:40 PM.

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