Carbon dating is being affected

So, if we measure the rate of beta decay in an organic sample, we can calculate how old the sample is. Question: Kieth and Anderson radiocarbon-dated the shell of a living freshwater mussel and obtained an age of over two thousand years.ICR creationists claim that this discredits C-14 dating. Answer: It does discredit the C-14 dating of freshwater mussels, but that's about all.

They have their work cut out for them, however, because radiocarbon (C-14) dating is one of the most reliable of all the radiometric dating methods.

It turns out that the widely-used Carbon-14 dating method may be up to 2,000 years off the mark.”We had not expected to see an effect of 2,000 years.

The discovery has some fairly frightening implications because it’s crucial to archaeology to have steady fixation points in the dating work.

Kieth and Anderson show considerable evidence that the mussels acquired much of their carbon from the limestone of the waters they lived in and from some very old humus as well.

Carbon from these sources is very low in C-14 because these sources are so old and have not been mixed with fresh carbon from the air.

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