Preparation and Dating of Mortar Samples—Mortar Dating Inter-Comparison Study (MODIS)

Irka Hajdas*, Alf Lindroos, Jan Heinemeier, Asa Ringbom, Fabio Marzaioli, Filippo Terrasi, Isabella Passariello, Manuela Capano, Gilberto Artioli, Anna Addis, Michele Secco, Danuta Michalska, Justyna Czernik, Tomasz Goslar, Roald Hayen, Mark Van Strydonck, Laurent Fontaine, Mathieu Boudin, Francesco Maspero, Laura PanzeriAnna Galli, Petra Urbanova, Pierre Guibert

*Corresponding author for this work

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

57 Citations (Scopus)

Abstract

Seven radiocarbon laboratories: Åbo/Aarhus, CIRCE, CIRCe, ETHZ, Poznań, RICH, and Milano-Bicocca performed separation of carbonaceous fractions suitable for 14C dating of four mortar samples selected for the MOrtar Dating Inter-comparison Study (MODIS). In addition, optically stimulated luminescence (OSL) analyses were completed by Milano-Bicocca and IRAMAT-CRP2A Bordeaux. Each laboratory performed separation according to laboratory protocol. Results of this first intercomparison show that even though consistent 14C ages were obtained by different laboratories, two mortars yielded ages different than expected from the archaeological context.

Original languageEnglish
JournalRadiocarbon: An International Journal of Cosmogenic Isotope Research
Volume59
Issue6
Pages (from-to)1845-1858
Number of pages14
ISSN0033-8222
DOIs
Publication statusPublished - 1 Dec 2017
Event8th Symposium on Radiocarbon and Archaeology - Edinburgh
Duration: 27 Jun 20161 Jul 2016

Conference

Conference8th Symposium on Radiocarbon and Archaeology
CityEdinburgh
Period27/06/201601/07/2016

Keywords

  • ACCELERATOR MASS-SPECTROMETRY
  • ALAND ISLANDS
  • AMS C-14
  • C-14
  • CARBONATE
  • CIRCE
  • DOSE-RATE
  • MEDIEVAL
  • MODIS
  • NONHYDRAULIC LIME MORTARS
  • OPTICALLY STIMULATED LUMINESCENCE
  • OSL
  • intercomparison
  • mortar

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