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Multiple Microanalyses of a Sample from the Vinland Map

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JournalArchaeometry
DateAccepted/In press - 16 Mar 2016
DateE-pub ahead of print - 15 Jul 2016
DatePublished (current) - 1 Apr 2017
Issue number2
Volume59
Number of pages15
Pages (from-to)287-301
Early online date15/07/16
Original languageEnglish

Abstract

A sample of the Vinland Map remaining from the radiocarbon dating was analysed with the purpose of identifying the post-1950 contaminant and establishing other evidence on the material composition, identity and condition. The analyses revealed that the parchment originates from a bovid and contains hair remnants. The fibre structure was in poor condition, with fragmented collagen fibres and a low hydrothermal stability. Greenish and reddish particles were observed on the parchment. The greenish particles were identified as basic copper(II) chloride, most probably atacamite, and the reddish particles as rust; that is, various iron(III) oxides. The extracted modern contaminant was identified as being naturally produced glycerol monostearate.

    Research areas

  • atacamite, collagen, multiple microanalyses, organic contaminant, parchment, Vinland Map

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