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

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Authors

Irka Hajdas

Alf Lindroos · Åbo Akademi University

Jan Heinemeier · Aarhus University

Åsa Ringbom · Åbo Akademi University

Fabio Marzaioli · University of Campania "Luigi Vanvitelli"

Filippo Terrasi · University of Campania "Luigi Vanvitelli"

Isabella Passariello · University of Campania "Luigi Vanvitelli"

Abstract

Abstract Seven radiocarbon laboratories: Åbo/Aarhus, CIRCE, CIRCe, ETHZ, Poznań, RICH, and Milano-Bicocca performed separation of carbonaceous fractions suitable for 14 C 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 14 C ages were obtained by different laboratories, two mortars yielded ages different than expected from the archaeological context.

Topics & Keywords

Building materials and conservation Archaeology and ancient environmental studies Archaeological Research and Protection

Publication Details

Published in: Radiocarbon

Volume 59, Issue 6, pp. 1845-1858

DOI: 10.1017/rdc.2017.112

Field-Weighted Citation Impact: 9.77

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

Authors

Abstract

Topics & Keywords

Publication Details