Wikipedia radiocarbon dating

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There are several other possible sources of error that need to be considered. The errors are of four general types:. To verify the accuracy of the method, several artefacts that were datable by other techniques were tested; the results of the testing were in reasonable agreement with the true ages of the objects. This discrepancy, often called the de Vries effect, was resolved by the study of tree rings.

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Seventy years ago, American chemist Willard Libby devised an ingenious method for dating organic materials.

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Radiocarbon datingalso known as the C14 dating methodis a way of telling how old an object is. It is a type of radiometric dating. The method uses the radioactive isotope carbon Most organic matter contains carbon.

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