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Dating of ancient kilns: A combined archaeomagnetic and thermoluminescence analysis applied to a brick workshop at Kato Achaia, Greece

Articolo
Data di Pubblicazione:
2015
Abstract:
We present here the results of a detailed archaeomagnetic and thermoluminescence investigationperformed on bricks from two ancient kilns excavated at Kato Achaia, Greece. Magnetic mineralogy mea-surements have been carried out to determine the main magnetic carrier of the samples. The directions ofthe characteristic remanent magnetization of each structure have been obtained from standard thermaldemagnetisation procedures and the absolute archaeointensity has been determined with the Thelliermodified by Coe method, accompanied by regular partial thermoremanent magnetization (pTRM) checks.The full geomagnetic field vector was used for the archaeomagnetic dating of the two kilns, after compar-ison with the reference secular variation curves calculated directly at the site of Kato Achaia. Independentdating has also been obtained from thermoluminescence (TL) analysis on four brick samples from eachkiln. The dating results obtained from the two methods have been compared and the last firing of eachkiln has been estimated from the combination of the two techniques. Using the independent date offeredby TL dating, the new archaeomagnetic data have been compared with other data from the same timeperiod and they can further be used as reference points to enrich our knowledge about the past secularvariation of the Earth’s magnetic field in Greece.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
Dating, Archaeomagnetism, Thermoluminescence, Bricks, Secular variation
Elenco autori:
Tema E., Polymeris G., Morales J., Goguitchaichvili A., Tsaknaki V.
Autori di Ateneo:
TEMA Evdokia
Link alla scheda completa:
https://iris.unito.it/handle/2318/1527473
Pubblicato in:
JOURNAL OF CULTURAL HERITAGE
Journal
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