Abstract
THE occurence of anomalous fading of thermoluminescence (TL) in minerals typical of the inclusions found in archaeological pottery has been reported1. This effect leads to an erroneous evaluation of the archaeological age using conventional TL methods. Consequently it introduces serious problems in the dating of such materials. Here the phototransfer technique (re-excited glow)2 was applied. The results indicate that in some materials anomalous fading may be circumvented, or at least substantially reduced. Of the materials of interest in TL dating that display anomalous fading (zircon, fluorapatite and plagioclase feldspars labradorite, andesine and bytownite), fluorapatite and zircon3 were found to be the most promising for the application of the phototransfer technique.
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References
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BAILIFF, I. Use of phototransfer for the anomalous fading of thermoluminescence. Nature 264, 531–533 (1976). https://doi.org/10.1038/264531b0
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DOI: https://doi.org/10.1038/264531b0
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