Analysis of organic residues in the context of the middle bronze age in the northwestern Iberian Peninsula: the case of the Cova da Moura funerary monument (Viana do Castelo, nw Portugal)

Oliveira, Nuno; Oliveira, César; Bettencourt, Ana M. S.; Costa, Cláudia

http://hdl.handle.net/10400.1/28564

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Autores

Oliveira, Nuno

Oliveira, César

Bettencourt, Ana M. S.

Costa, Cláudia

Resumo(s)

This paper presents and discusses the results of chromatographic analyses conducted on the contents of a ceramic pot recovered from Cova da Moura, a coastal funerary context located on the western slope of the Serra de Santa Luzia in Carreço, within the municipality and district of Viana do Castelo, Northwest Portugal. The site was excavated in 1931 by Abel Viana, who uncovered a monument beneath a tumulus that concealed a cluster of granite outcrops with numerous cavities (tafoni). Depositional activities in these cavities revealed several artifacts, including fragments of various ceramic containers, metal and glass objects, knapped and polished stone tools, animal remains, a diverse assemblage of plant-derived charcoal, and at least one anthropomorphic stele. The materials exhibit a wide chronological range, with the earliest occupation dating from the Late Middle Bronze Age (circa 15th-14th century BCE) and the most recent from the Late Iron Age. Among these finds was a fragmented ceramic pot containing organic residues at its internal base, dated from the regional Bronze Age. Chromatographic analysis of these residues identified traces of animal meat, possibly from monogastric species, and plant oils, both of which appear to have been exposed to high temperatures. This study represents the first application of organic chemical analysis to a ceramic vessel from a plausible Middle Bronze Age funerary context in Northwestern Portugal. The findings suggest the presence of commensal rituals or the deposition of prepared meat offerings as part of funerary practices.