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COMPUTED TOMOGRAPHY AND COMPUTED RADIOGRAPHY OF LATE BRONZE AGE CREMATION URNS FROM DENMARK: AN INTERDISCIPLINARY ATTEMPT TO DEVELOP METHODS APPLIED IN BIOARCHAEOLOGICAL CREMATION RESEARCH
Authors:L. HARVIG  N. LYNNERUP  J. AMSGAARD EBSEN
Affiliation:1. Laboratory of Biological Anthropology, Department of Forensic Medicine, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, DK 2200 Copenhagen, Denmark;2. Odense City Museums, Department of Preservation, Overgade 48, DK 5000 Odense C, Denmark
Abstract:To improve the methods used to study prehistoric cremation rituals, cremation urns from the Danish Late Bronze Age were examined using computed tomography and computed radiography (digital X‐ray). During micro‐excavation, the digital images were used as a registration tool. Our results suggest that osteological ageing and sexing are more accurate when combining CT images with excavated remains. Digital volume rendering further enables a compromised estimation of the original cremation weight. Micro‐excavation is clearly a primary cause of bone fragmentation. Cremated remains affected by lower cremation intensity show markedly poorer preservation and recovery than do white calcined fragments. Thus post‐excavation estimations of cremation intensity are systematically biased.
Keywords:DENMARK  LATE BRONZE AGE  CREMATION URNS  COMPUTED TOMOGRAPHY  COMPUTED RADIOGRAPHY  DIGITAL VOLUME RENDERING  CREMATED BONES  FRAGMENTATION  CREMATION INTENSITY
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