Age range carbon dating


20-Jan-2018 14:45

Radiocarbon dating has somehow avoided collapse onto its own battered foundation, and now lurches onward with feigned consistency.

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Cosmic rays are positively charged atoms moving at enormous speeds.But in actual practice, we know neither the original ratios nor if the specimen has been contaminated and are forced to make what we hope are reasonable assumptions.The tiny initial amount of C14, the relatively rapid rate of decay (the half-life of C14 is currently about 5700 years) and the ease with which samples can become contaminated make radiocarbon dating results for samples "older" than about 50,000 years effectively meaningless.All results are carefully assessed by academic staff before release.



Presuming the rate of production of carbon-14 to be constant, the activity of a sample can be directly compared to the equilibrium activity of living matter and the age calculated. Various tests of reliability have confirmed the value of carbon data, and many examples provide an interesting range of application. Carbon-14.… continue reading »


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