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12-May-2020 16:20

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The numbers of C14 atoms and non-radioactive carbon atoms remain approximately the same over time during the organism’s life.As soon as a plant or animal dies, the carbon uptake stops.

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The average radiocarbon dates were 374 years earlier than expected.

We thought that it was unlikely that the pyramid builders consistently used centuries-old wood as fuel in preparing mortar.

The 1984 results left us with too little data to conclude that the historical chronology of the Old Kingdom was wrong by nearly 400 years, but we considered this at least a possibility.

Some of this recycled wood was burned, for example, in mortar preparation.

If a piece of wood was already centuries old when it was burned, radiocarbon dates of the resulting charcoal would be centuries older than the mortar for which it was burned.We wanted to use science to test the accepted historical dates of several Old Kingdom monuments.



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