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Durham University

Department of Archaeology

All Research Projects

Publication details

P. Guibert, I.K. Bailiff, , S. Blain, A.M. Gueli, M. Martini, E. Sibilia, G. Stella, & S.O. Troja (2009). Luminescence dating of architectural ceramics from an early medieval abbey: The St Philbert Intercomparison (Loire Atlantique, France). Radiation Measurements 44(5-6): 488-493.

Author(s) from Durham


An experimental intercomparison was performed with brick samples from an early medieval building in the west of France, the St-Philbert-de-Grandlieu abbey. A potentially complex set of microdosimetric problems emerged from characterisation measurements, providing a robust test of the routine procedures used by each laboratory. The dating results obtained using quartz coarse grains and fine grain samples span over a large period of time, exhibiting overdispersion, and where systematic deviations appear between quartz and fine grain chronologies. Factors causing such scatter are analysed in detail, including internal radioactivity of quartz grains, millimetre-scale heterogeneity in the fabric, and the observation and modelling of fading behaviour of fine grain minerals.

Department of Archaeology

Scottish Soldiers Project

Cooperating with the Palace Museum in China