How Mineralogy and Geochemistry Can Improve the Significance of <scp>P</scp>b Isotopes in Metal Provenance Studies

Baron, Sandrine; Tămaş, Calin-Gabriel; Carlier, C. Le

doi:10.1111/arcm.12037

Cited by 72 publications

(43 citation statements)

References 44 publications

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“…However, variability in the values of NIST SRM 981 has been reported before (Baron et al . ). These results are the first determinations of the Sr and Pb isotopic compositions of Corning glasses B, C and D.…”

Section: Resultsmentioning

confidence: 97%

“…The parameters g and β henceforth referred to as the fractionation coefficient, are determined for the reference ratio of the internal standard ( 88 Sr/ 86 Sr = 8.375209 for 87 Sr/ 86 Sr and 205 Tl/ 203 Tl = 2.38714 (Baron et al . ) for all of the Pb isotope ratios) and assumed to be identical for the reference isotope ratio and the isotope ratio(s) of interest.…”

Section: Methodsmentioning

confidence: 99%

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Assessment of Nanosecond Laser Ablation Multi‐Collector Inductively Coupled Plasma‐Mass Spectrometry for Pb and Sr Isotopic Determination in Archaeological Glass: Mass Bias Correction Strategies and Results for Corning Glass Reference Materials

Ham-Meert

Chernonozhkin

Malderen

et al. 2018

Geostandard Geoanalytic Res

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This work presents an evaluation of various methods for in situ high‐precision Sr and Pb isotopic determination in archaeological glass (containing 100–500 μg g−1 target element) by nanosecond laser ablation multi‐collector‐inductively coupled plasma‐mass spectrometry (ns‐LA‐MC‐ICP‐MS). A set of four soda‐lime silicate glasses, Corning A–D, mimicking the composition of archaeological glass and produced by the Corning Museum of Glass (Corning, New York, USA), were investigated as candidates for matrix‐matched reference materials for use in the analysis of archaeological glass. Common geological reference materials with known isotopic compositions (USGS basalt glasses BHVO‐2G, GSE‐1G and NKT‐1G, soda‐lime silicate glass NIST SRM 610 and several archaeological glass samples with known Sr isotopic composition) were used to evaluate the ns‐LA‐MC‐ICP‐MS analytical procedures. When available, ns‐LA‐MC‐ICP‐MS results for the Corning glasses are reported. These were found to be in good agreement with results obtained via pneumatic nebulisation (pn) MC‐ICP‐MS after digestion of the glass matrix and target element isolation. The presence of potential spectral interference from doubly charged rare earth element (REE) ions affecting Sr isotopic determination was investigated by admixing Er and Yb aerosols by means of pneumatic nebulisation into the gas flow from the laser ablation system. It was shown that doubly charged REE ions affect the Sr isotope ratios, but that this could be circumvented by operating the instrument at higher mass resolution. Multiple strategies to correct for instrumental mass discrimination in ns‐LA‐MC‐ICP‐MS and the effects of relevant interferences were evaluated. Application of common glass reference materials with basaltic matrices for correction of ns‐LA‐MC‐ICP‐MS isotope data of archaeological glasses results in inaccurate Pb isotope ratios, rendering application of matrix‐matched reference materials indispensable. Correction for instrumental mass discrimination using the exponential law, with the application of Tl as an internal isotopic standard element introduced by pneumatic nebulisation and Corning D as bracketing isotopic calibrator, provided the most accurate results for Pb isotope ratio measurements in archaeological glass. Mass bias correction relying on the power law, combined with intra‐element internal correction, assuming a constant 88Sr/86Sr ratio, yielded the most accurate results for 87Sr/86Sr determination in archaeological glasses

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Section: Resultsmentioning

confidence: 97%

Section: Methodsmentioning

confidence: 99%

Assessment of Nanosecond Laser Ablation Multi‐Collector Inductively Coupled Plasma‐Mass Spectrometry for Pb and Sr Isotopic Determination in Archaeological Glass: Mass Bias Correction Strategies and Results for Corning Glass Reference Materials

Ham-Meert

Chernonozhkin

Malderen

et al. 2018

Geostandard Geoanalytic Res

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“…() and Baron et al . (), using the abundance of the unradiogenic isotope 204 Pb as denominator, rather than 206 Pb more often used in archaeometry. Ratios to 204 Pb preserve information of ore genetic importance, and allow easy comparison with models of global Pb isotopic evolution (e.g., Faure and Mensing ; Villa ; Albarède et al .…”

Section: Methods and Samplingmentioning

confidence: 99%

Lead Isotope Analysis of Pewter Mounts from the Viking Ship Burial at Gokstad: on the Origin and Use of Raw Materials

et al. 2015

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Lead isotope analysis was combined with an investigation of style and technology in a study of pewter mounts from the Viking ship burial at Gokstad, Norway. The different methods reinforced one another and yielded a detailed picture of a ninth-century working process, demonstrating the potential of applying lead isotope analysis to artefact studies independent of the question of provenance. They provided evidence of the mounts being produced as a set, and signs of mixing demonstrate that it is important to be cautious when discussing provenance. England and Melle, France are indicated to be the most likely origin of the lead.

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“…In geochemistry and archaeometry the presentation of the isotopic ratios of lead as bivariate plots has proven to be a suitable method to examine the data and conduct relevant calculations such as age determination of minerals, and provenance studies [23], [24]. The same bivariate approach has been adopted in this work.…”

Section: Descriptive Statisticsmentioning

confidence: 99%

Lead isotope ratios for bullets, forensic evaluation in a Bayesian paradigm

Sjåstad

Lucy

Andersen

2016

Talanta

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How Mineralogy and Geochemistry Can Improve the Significance of Pb Isotopes in Metal Provenance Studies

Abstract: Lead isotopes combined with trace element data represent a powerful tool for non-ferrous using different SRM 981 Pb values.

Cited by 72 publications

References 44 publications

Assessment of Nanosecond Laser Ablation Multi‐Collector Inductively Coupled Plasma‐Mass Spectrometry for Pb and Sr Isotopic Determination in Archaeological Glass: Mass Bias Correction Strategies and Results for Corning Glass Reference Materials

Assessment of Nanosecond Laser Ablation Multi‐Collector Inductively Coupled Plasma‐Mass Spectrometry for Pb and Sr Isotopic Determination in Archaeological Glass: Mass Bias Correction Strategies and Results for Corning Glass Reference Materials

Lead Isotope Analysis of Pewter Mounts from the Viking Ship Burial at Gokstad: on the Origin and Use of Raw Materials

Lead isotope ratios for bullets, forensic evaluation in a Bayesian paradigm

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