Can radiocarbon dating be used on wood

That causes a dating problem with any animal that eats seafood. After about ten half-lives, there's very little C14 left.

So, anything more than about 50,000 years old probably can't be dated at all.

So, we have a “clock” which starts ticking the moment something dies.

Obviously, this works only for things which were once living.

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But she became hooked on archaeology after her parents took her as a little girl to the archaeological sites of Colorado’s Mesa Verde.Familiar to us as the black substance in charred wood, as diamonds, and the graphite in “lead” pencils, carbon comes in several forms, or isotopes.One rare form has atoms that are 14 times as heavy as hydrogen atoms: carbon-14, or C ratio gets smaller. Under a microscope, a lab technician cleans a tiny wood chip extracted from an American museum treasure.This fragment no bigger than a fingernail is enough to divine whether the artefact it came from is really the Roman musical instrument its owners believe it to be.

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