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Mortar Dating Methodology: Assessing Recurrent Issues and Needs for Further Research

Lookup NU author(s): Dr Sophie HueglinORCiD


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© 2017 by the Arizona Board of Regents on behalf of the University of Arizona. Absolute dating of mortars is crucial when trying to pin down construction phases of archaeological sites and historic stone buildings to a certain point in time or to confirm, but possibly also challenge, existing chronologies. To evaluate various sample preparation methods for radiocarbon (14C) dating of mortars as well as to compare different dating methods, i.e. 14C and optically stimulated luminescence (OSL), a mortar dating intercomparison study (MODIS) was set up, exploring existing limits and needs for further research. Four mortar samples were selected and distributed among the participating laboratories: one of which was expected not to present any problem related to the sample preparation methodologies for anthropogenic lime extraction, whereas all others addressed specific known sample preparation issues. Data obtained from the various mortar dating approaches are evaluated relative to the historical framework of the mortar samples and any deviation observed is contextualized to the composition and specific mineralogy of the sampled material.

Publication metadata

Author(s): Hayen R, Van Strydonck M, Fontaine L, Boudin M, Lindroos A, Heinemeier J, Ringbom A, Michalska D, Hajdas I, Hueglin S, Marzaioli F, Terrasi F, Passariello I, Capano M, Maspero F, Panzeri L, Galli A, Artioli G, Addis A, Secco M, Boaretto E, Moreau C, Guibert P, Urbanova P, Czernik J, Goslar T, Caroselli M

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 8th International Symposium on 14C & Archaeology

Year of Conference: 2017

Pages: 1859-1871

Online publication date: 28/12/2017

Acceptance date: 02/04/2016

Publisher: Cambridge University Press


DOI: 10.1017/RDC.2017.129

Series Title: Radiocarbon