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TL dating of pottery sherds and baked soil from the Xian Terracotta Army Site, Shaanxi Province, China

Authors
Journal
International Journal of Radiation Applications and Instrumentation Part D Nuclear Tracks and Radiation Measurements
1359-0189
Publisher
Elsevier
Publication Date
Volume
14
Identifiers
DOI: 10.1016/1359-0189(88)90077-5

Abstract

Abstract Six ceramics and two baked soil samples collected from the famous Xian Terracotta Army Site have been dated by using fine grain (2–8 μ) TL technique. Five samples of pottery sherds exhibited peak TL at about 275°C and 395°C gave the TL age ranged from 2.13 ± 0.14 ka to 2.25 ± 0.14 ka and a mean TL age of 2.20 ± 0.15 ka, with a good plateau in the range of 290–400°C. Another sample, however, showed a larger peak at 365°C and could not be dated because of serious fading. TL ages of 1.93 ± 0.13 ka and 2.20 ± 0.19 ka have been also obtained from the baked soil samples with a plateau between 300 and 350°C. The TL dates of the ceramics and baked soil are consistent with C-14 dates on charcoal samples taken from the same layer in Xian Terracotta Army Site. It is consistent with other evidence that the Terracotta Army figures were made about 2200 yr ago and that the site burned down soon afterwards.

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