Disadvantages of carbon 14 dating

Carbon-14 has a half-life of 5,730 ± 40 years—, half the amount of the radioisotope present at any given time will undergo spontaneous disintegration during the succeeding 5,730 years.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.As the rock gets older the proportion of lead increases.

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The method is widely used by Pleistocene geologists, anthropologists, archaeologists, and investigators in related fields.This technique is not restricted to bones; it can also be used on cloth, wood and plant fibers.

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