Thermoluminescence dating using fine grains from pottery
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Institute of Physics, Chinese Academy of Engineering Physics, Chengdu 610003, China); A STUDY ON SHOCK EFFECT AND TL CHARACTERISTICS OF CHONDRITE[J]; GEOTECTONICA ET METALLOGENIA;1999-03LI Guoqiang1, ZHAO Hui1,2, FAN Yuxin1, PENG Haimei1,2, CHEN Fahu1(1.
Drilling, the usual method of sampling, introduces some uncertainty.
It is also rare that any information about the radiation from the burial soil can be obtained, as art objects are usually thoroughly cleaned.
The TL laboratory at Daybreak was established in 1977 to make TL available to the art community in general. Studies at Oxford back in the 70s on Romano-British pottery indicated that when all quantities entering the age equation are measured, the TL date of a single potsherd will typically fall within 15 per cent of the known date.
When dates of a number of sherds associated together are averaged, the error is reduced typically to 7-10 per cent. The succeeding 30 years, and increased understanding of the dosimetry, have not brought much improvement.