In the laboratory, the release of electrons can be induced through heating or the use of a laser beam.
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The intensity of the light emmisions luminescence can be measured to determine the amount of time that has passed since the vessel was last heated and the present laboratory heating of the vessel. How is a Luminescence Sample Processed?
Luminescence Dating
A small sample is cut out of the artifact being dated. An equivalent dose D E of nuclear radiation is determined for every artifact through the application of artificial doses of nuclear radiation through heating or exposure to a laser light beam to subsamples of the artifact to scale the signal. Next the burial dose rate D R is determined by measuring the radioactivity in portions of the sample grains and surrounding sediments.
This method is applicable to samples that range in age from a few hundred years to several hundred thousand years.
Canadian Journal of Earth Sciences
The Limitations of Luminescence Dating Using this technique, almost any rock mineral or ceramic sample can be directly dated. However, it works best when dating heated grains in ceramics, obsidian, burned flint, and burned sediments. Aberystwyth Luminescence Dating Laboratory.
Center for Applied Dosimetry. Archaeometry Research Group Heidelberg, Germany. A Review for Non-Specialists.
Huntley, and Glenn W. Canadian Journal of Earth Sciences Potassium Argon Dating The TL age uncertainty is primarily set by the uncertainty in the water content. Lian , Jinsheng Hu , D.
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Huntley , Stephen R. Canadian Journal of Earth Sciences , , 32 8: Canadian Journal of Earth Sciences. Wintle and , D. Huntley Canadian Journal of Earth Sciences , , 17 3: