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Gold parting, iridium and provenance of ancient silver: A reply to Pernicka

Wood, J; Charlton, M; Murillo-Barroso, M; Martinon-Torres, M; (2017) Gold parting, iridium and provenance of ancient silver: A reply to Pernicka. Journal of Archaeological Science , 86 pp. 127-130. 10.1016/j.jas.2017.07.005. Green open access

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Abstract

We present a detailed response to Professor Pernicka's critique of our paper entitled “Iridium to provenance ancient silver”. We have concluded that Pernicka's hypothesis, which suggests that elevated levels of iridium in ancient silver artefacts is a consequence of silver deriving from the cementation (parting) process, does not account for the available evidence and that his critiques of the analyses we presented seem misplaced. We offer a simpler solution and show that the structure of our transformed data is founded on logical reasoning which is borne out by the empirical results. Essentially, this response supports our view reported in the original paper that the variation in iridium in ancient silver is largely geological rather than a consequence of de-silvering gold.

Type: Article
Title: Gold parting, iridium and provenance of ancient silver: A reply to Pernicka
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.jas.2017.07.005
Publisher version: https://doi.org/10.1016/j.jas.2017.07.005
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Iridium; Silver; Log-ratios; Cementation; Geological variability; Lead isotopes
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education > Centre for Languages and Intl Educatn
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology
URI: https://discovery.ucl.ac.uk/id/eprint/1569248
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