When is carbon dating used

The method is widely used by Pleistocene geologists, anthropologists, archaeologists, and investigators in related fields.

The calibrated date is also presented, either in BC or AD or with the unit cal BP (calibrated before present - before 1950).Radiocarbon dating works by comparing the three different isotopes of carbon.Isotopes of a particular element have the same number of protons in their nucleus, but different numbers of neutrons.Now the curve extends (tentatively) to 50,000 years.Radiocarbon dates are presented in two ways because of this complication.

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Because carbon-14 decays at this constant rate, an estimate of the date at which an organism died can be made by measuring the amount of its residual radiocarbon.

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