Pb pb dating equation Adult chat groups toronto


06-Nov-2020 18:39

With this background in the uranium-lead method, you may have a deeper appreciation of the research presented on the University of Wisconsin's "Earliest Piece of the Earth" page, including the 2001 paper in Nature that announced the record-setting date.

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In a rock twice as old there will be one 235U atom left for every three 207Pb atoms (Pb/U = 3), and so forth.But now imagine that some geologic event disturbs things to make the lead escape.



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