Isotopes on the Beach, Part 2: Neodymium Isotopic Analysis for the Provenancing of Roman Glass‐making

Brems, Dieter; Ganio, Monica; Latruwe, Kris; Balcaen, Lieve; Carremans, Mike; Gimeno, D.; Silvestri, Alberta; Vanhaecke, Frank; Muchez, Philippe; Degryse, Patrick

doi:10.1111/j.1475-4754.2012.00701.x

Cited by 46 publications

(40 citation statements)

References 50 publications

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“…Though Hf and Nd isotopic data for sedimentary units directly beneath Etna are unavailable for comparison with cpx and WR values, Sicilian beach sand ε Nd derived from the western extension of sedimentary units underlying Etna and crustal rocks of south and central Italy are all considerably more enriched ( Fig. 2a; ε Nd -10.3 to -16.0, Conticelli et al, 2002;Brems et al, 2013). Such large differences make it unlikely that crustal sediments contributed to the Hf and Nd isotopic compositions observed in TSC cpx and WR materials.…”

Section: Resultsmentioning

confidence: 99%

“…Lassiter et al, 2003;Stracke et al, 2003;Gaffney et al, 2004;Huang et al, 2005;Xu et al, 2007;Sims et al, 2008;Blichert-Toft and Albarède, 2009;Yamasaki et al, 2009;Garcia et al, 2010;Peate et al, 2010;Chekol et al, 2011;Salters et al, 2011;Viccaro et al, 2011); mantle components from Zindler and Hart, 1986;Salters and White, 1998;Workman et al, 2004;Stracke et al, 2005;Workman and Hart, 2005. Hafnium isotopic values for Italian sediments (Conticelli et al, 2002;Brems et al, 2013) are calculated from Nd isotopic data and both cases following the seawater array (SA) and the terrestrial array (TA) of Vervoort et al (2011) Trua et al (1998). Italian crustal values from Conticelli et al (2002).…”

Section: Discussionmentioning

confidence: 99%

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Magma dynamics of ancient Mt. Etna inferred from clinopyroxene isotopic and trace element systematics

Miller¹,

Myers²,

Fahnestock³

et al. 2017

Geochem. Persp. Let.

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Dynamic magmatic processes driving volcanic eruptions, including melting, fractionation, and assimilation, provide critical insights into plumbing systems supporting long-lived magmatism. Here we describe an approach combining in situ elemental analyses in clinopyroxene phenocrysts, integrated thermobarometry models, and bulk crystalline Hf, Nd, and Pb isotopic studies to reconstruct a key period of ancient eruptions of Mount Etna (Sicily), Europe's largest, most active volcano. Trace element signatures recorded in clinopyroxene from 220 to 100 ka are consistent with derivation from a heterogeneous mantle of hydrated peridotite and ~10 % pyroxenite, also consistent with sources feeding recent Etna eruptions. Isotopic data from Mount Etna alkaline lava clinopyroxene, crystallised between 0.5 and 0.2 GPa, insignificantly vary from whole rock values, ruling out substantive assimilation of material during magma ascent from the onset of clinopyroxene fractionation through the mid-crust, storage, and eruption. Together, our results suggest that varying contributions of well-mixed hydrated peridotite and pyroxenite melts have been consistent features of magma assembly beneath Mt. Etna since the development of ancient alkaline centres.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Magma dynamics of ancient Mt. Etna inferred from clinopyroxene isotopic and trace element systematics

Miller¹,

Myers²,

Fahnestock³

et al. 2017

Geochem. Persp. Let.

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“…Along the Mediterranean coast, the isotopic ratio for Nd (usually expressed as εNd) of coastal sands show an East to West gradient from the slightly negative value of the Nile delta (εNd = −1) to the strongly negative values of southern Spain (−12) and Western Sahara (−13) [39]. Sands from the Syro-Palestinian and Egyptian coast, where primary production sites were discovered and that are supposed to be the sources of sand for Roman, Late Antique and Byzantine glass, have an εNd between −5 and −6.…”

Section: Isotopic Analysismentioning

confidence: 99%

“…Recent studies have demonstrated the great potential of isotopic analysis for glass provenance study in the case of Roman, Late Antique and Byzantine glass [22,[37][38][39][40].…”

Section: Isotopic Analysismentioning

confidence: 99%

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Archaeological and archaeometric study of the glass finds from the ancient harbour of Classe (Ravenna- Italy): new evidence

et al. 2015

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Introduction: The present study focuses on Late-Roman/Early Medieval glass found in the productive area within the ancient harbour of Classe near Ravenna, one of the most important trade centres between the 5 th and 8 th centuries AD of the Northern Adriatic area. Aims of the study were the identification of the main glass compositions and their contextualisation in Late-Antique groups; the identification of provenance of raw glass, and, consequently, of commercial routes; the extent, if any, of recycling glass cullet, as an alternative to the import of fresh raw glass; the identification of possible connections between archaeological typology and glass chemical composition.Results: 32 glassworking wastes and 25 drinking vessel fragments for a total amount of 57 fragments were devoted to chemical analysis in XRF and EPMA. All the analysed fragments are silica-soda lime glasses, produced with natron as a flux, and are compositionally similar to Late-Antique groups HIMT, Série 3.2 and Levantine1. Raw glass chunks, glassworking wastes and objects of comparable compositions are identified into HIMT and Série 3.2 groups, while the Levantine 1 group includes only objects and glassworking wastes. Systematic comparisons between Classe and Aquileia, the two most important Late-Antique archaeological sites of North-Eastern Italy, were also carried out, and the same compositional groups were identified, although Série 3.2 in the Classe assemblage is more represented. Sr and Nd isotopic analysis confirmed that the composition of the three glasses derive from coastal sands of the Syro-Palestinian and Egyptian shore, with a slight shift in comparison to the published data. Little evidence of recycling was identified in the assemblage. Conclusions:In the 5 th century, a secondary glass workshop devoted to the shaping of glass vessels starting from raw glass chunks and, possibly, glass cullet, was active in the area of the harbour. Raw glass of HIMT and Série 3.2 was imported from the Levant and Egypt. Comparisons between Classe and Aquileia show that during the Late Antiquity these sites seem to be supplied of raw glass by the same trade routes. In addition, some connections between types and chemical compositions were highlighted.

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Isotope–Ratio Techniques in Glass Studies

Degryse

2013

Modern Methods for Analysing Archaeological and Historical Glass

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Isotopes on the Beach, Part 2: Neodymium Isotopic Analysis for the Provenancing of Roman Glass‐making

Cited by 46 publications

References 50 publications

Magma dynamics of ancient Mt. Etna inferred from clinopyroxene isotopic and trace element systematics

Magma dynamics of ancient Mt. Etna inferred from clinopyroxene isotopic and trace element systematics

Archaeological and archaeometric study of the glass finds from the ancient harbour of Classe (Ravenna- Italy): new evidence

Isotope–Ratio Techniques in Glass Studies

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