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Trade routes across the Mediterranean: a Sr/Nd isotopic investigation on Roman colourless glass
Ganio, M.; Boyen, S.; Brems, D.; Scott, R.; Foy, D.; Latruwe, K.; Molin, G.; Vanhaecke, F.; Degryse, P. (2012). Trade routes across the Mediterranean: a Sr/Nd isotopic investigation on Roman colourless glass. Glass Technology-European Journal of Glass Science and Technology Part A 53(5): 217-224
In: Glass Technology-European Journal of Glass Science and Technology Part A. SOC GLASS TECHNOLOGY: Sheffield. ISSN 1753-3546; e-ISSN 1753-3554, more
Peer reviewed article  

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  • Scott, R., more
  • Foy, D.
  • Latruwe, K., more
  • Molin, G.
  • Vanhaecke, F., more
  • Degryse, P., more

Abstract
    In this study analysis of major elements and Sr–Nd isotopes is performed on 33 colourless glass fragments from two Roman shipwrecks discovered in the Northern Mediterranean Sea, the Iulia Felix (first half of the third century AD) and the Ouest-Embiez (end of the second–beginning of the third century AD). Two compositional groups are defined based upon the major elements analysis, suggesting the use of different raw materials, and possibly the production of the glass samples in two separate factories. Sr–Nd isotopes, promising indicators for provenancing geological resources used as raw materials in glass manufacturing, confirm the compositional groups. The 87Sr/86Sr signature is very close to the modern sea water signature (0·7092) for all samples, likely due to the use of shell as glass raw material. The Nd signature further subdivides the compositional groups, suggesting the use of three different sand raw materials for the production of glass.

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