期刊
JOURNAL OF ARCHAEOLOGICAL SCIENCE
卷 39, 期 7, 页码 2153-2166出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jas.2012.02.030
关键词
Archaeomagnetism; Radiocarbon dating; OxCal; Switzerland
资金
- Swiss National Science Foundation [200021_130147]
- Swiss National Science Foundation (SNF) [200021_130147] Funding Source: Swiss National Science Foundation (SNF)
During the restoration of the Radium cinema located in the old Town of Zurich, a stratigraphic sequence of medieval fireplaces came to light. Based on ceramic finds, a preliminary age, of about 1000 AD was assigned. In this paper we show the results from archaeomagnetic and radiocarbon dating, which combined with the stratigraphic information yield a better constrain of the period of use of these fireplaces. Whilst the radiocarbon technique continues to be the most widespread methodology for dating young archeological artifacts, archaeomagnetic dating is becoming increasingly more established in Europe thanks to the increased number of available measurements. A Bayesian model on the period of use of these fireplaces was produced with OxCal, by a combination of magnetic and radiocarbon ages, together with the stratigraphic information. The results show that the fireplaces were probably used during 1 to 2 generations (e.g. 20-40 years each), and are in good agreement with the archaeological context of this site. To make use of the magnetic measurements for future reconstructions of the field, we carried out an additional age model using only the radiocarbon and the stratigraphic information. Although some of the structures show large directional scatter due to poor baking in antiquity, the results confirm the trend of the geomagnetic field around 1000 AD. (C) 2012 Elsevier Ltd. All rights reserved.
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