Isotopic Composition of Lead in Copper Ores and a Copper Artefact from the L a P rofunda Mine ( L eón, S pain)

This paper continues the characterization of the lead isotopic fingerprint of ancient copper mines in the north‐west of S pain. In this work, the lead isotopic compositions found in copper ores from the L a P rofunda mine are presented. Azurites and malachites sampled from this deposit were subjecte...

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Published inArchaeometry Vol. 56; no. 4; pp. 651 - 664
Main Authors Huelga‐Suarez, G., Moldovan, M., Suárez Fernández, M., de Blas Cortina, M. Ángel, García Alonso, J. I.
Format Journal Article
LanguageEnglish
Published 01.08.2014
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Summary:This paper continues the characterization of the lead isotopic fingerprint of ancient copper mines in the north‐west of S pain. In this work, the lead isotopic compositions found in copper ores from the L a P rofunda mine are presented. Azurites and malachites sampled from this deposit were subjected to lead isotope analysis by multicollector ICP – MS . The results showed a clear radiogenic lead signature compatible with the presence of uranium‐rich minerals (such as zeunerite) in the same mining complex. Moreover, a rare copper artefact, found in the galleries of the mine during its modern exploitation, was also analysed and showed that local mineral was used for its manufacturing.
ISSN:0003-813X
1475-4754
DOI:10.1111/arcm.12040