Abstract
Fired ceramics containing zircon inclusions have been dated by allowing the zircons to regenerate their own thermoluminescence (TL) signal, hence auto‐regenerative TL dating. The technique is conceptually straightforward. One first measures the TL accrued since the last heating of the material. The zircon grains are then stored for six months and the TL signal regenerated through self‐irradiation is measured. Since the internal dose‐rate for zircon is dominated by the internal component the age of the sample is simply given by the ratio of the natural to auto‐regenerated signal times the laboratory storage period. The technique, however, requires the measurement of a very small auto‐regenerated signal, which introduces a number of experimental and physical complications. The methods for overcoming these problems and successfully dating zircons by auto‐regeneration are described.
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