期刊
JOURNAL OF ARCHAEOLOGICAL SCIENCE
卷 36, 期 10, 页码 2445-2462出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jas.2009.07.002
关键词
Iron-making; Iron; Slag inclusion; Provenance; LA-ICP-MS; INAA; Bloomery process; Trace elements
A new methodology based on major and trace element analyses of slag inclusions is proposed to determine (or exclude) the provenance of iron artefacts. it is applied to verify if the Pays de Bray, a French area between Rouen and Beauvais, could have been an important supplier for the ferrous reinforcements used in the Middle Ages for the building of churches and cathedrals in these two towns. To this purpose, the behaviour of trace elements during both direct and indirect operating chains is studied combining experimental smelting and different analytical methods, such as SEM-EDS, ICP-MS, LA-ICP-MS and INAA, performed on archaeological samples. The chemical signature of the Pays de Bray iron ore and slag is determined considering MnO and P2O5 contents as a first rough filter and seven couples of trace the major and trace elements are analysed using the same methods in the slag inclusions elements. Then, of 32 artefacts from the Beauvais and Rouen churches, made by the bloomery process. The trace element signature of the inclusions from each artefact is compared with the ore from the Pays de Bray area. The iron used in the Rouen and Beauvais churches seems not to come mainly from the Pays de Bray. (c) 2009 Elsevier Ltd. All rights reserved.
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