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THE PRE‐DOSE TECHNIQUE: A NEW THERMO‐LUMINESCENT DATING METHOD
Author(s) -
FLEMING S. J.
Publication year - 1973
Publication title -
archaeometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.716
H-Index - 67
eISSN - 1475-4754
pISSN - 0003-813X
DOI - 10.1111/j.1475-4754.1973.tb00074.x
Subject(s) - thermoluminescence , quartz , optically stimulated luminescence , thermoluminescence dating , pottery , sensitivity (control systems) , mineralogy , archaeology , dosimetry , geology , materials science , luminescence , environmental science , nuclear medicine , composite material , geography , medicine , optoelectronics , engineering , electronic engineering
ABSTRACTS A thermoluminescent (TL) glow‐curve peak occurs around 110°C for the mineral quartz. Its sensitivity may be changed by application of a radiation dose (termed the pre‐dose ) followed by a heating of the quartz to 500°C: heating alone causes no sensitivity change. The enhancement observed (measured relative to the sensitivity of the peak prior to heating) is a measure of the magnitude of the pre‐dose. For quartz extracted from pottery the sensitivity enhancement induced by laboratory heating records a natural pre‐dose, i.e. the accumulated dose experienced during archaeological burial. The latter quantity is used in TL age‐determination and a test programme is reported on the application of the pre‐dose dating method to sites covering the Roman era in Britain forward to modern times.

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