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For all these reasons, contrasting dates have been reached in the ongoing chronological debate concerning the Iron Age.
A decisive solution is far from being accomplished.
This question is sharpened in light of the fact that the uncertainty in the usual radiocarbon readings (plus or minus 25 years or so) may be as large as the difference in dates in the debate. Measuring the remaining carbon-14 content in “long-term” organic samples, such as wood, will provide the date of growth of the tree, rather than the date of the archaeological stratum in which the sample was found.
The calibration curve is revised periodically as more data are continuously accumulated.
Based on the very same data, but employing different statistical methods, the various schools have reached quite diverse conclusions.
I do not mean to reject radiocarbon methodology for archaeological dating.
In the following article, “Carbon 14—The Solution to Dating David and Solomon? Calibration procedures are complex and periodically revised as new information comes to light, skewing the radiocarbon dating accuracy.
” Lily Singer-Avitz attempts to answer these questions. And statistical models also vary from researcher to researcher.
Since these “long-term” samples may introduce the “old wood” effect, any calculation of precise absolute dates based on “long-term” samples is unreliable and may easily lead to errors of up to several decades or even more.