Please use this identifier to cite or link to this item: https://hdl.handle.net/1822/75956

TitleArchaeological and chemical investigation on mortars and bricks from a necropolis in Braga, Northwest of Portugal
Author(s)Fragata, Ana
Candeias, Carla
Ribeiro, Jorge
Braga, Cristina
Fontes, Luís
Velosa, Ana
Rocha, Fernando
KeywordsMortars
Roman bricks
Bracara Augusta
Necropolis
Funerary nucleus
Archaeological sites
Chemical characterization
Issue date22-Oct-2021
PublisherMultidisciplinary Digital Publishing Institute (MDPI)
JournalMaterials
CitationFragata, A.; Candeias, C.; Ribeiro, J.; Braga, C.; Fontes, L.; Velosa, A.; Rocha, F. Archaeological and Chemical Investigation on Mortars and Bricks from a Necropolis in Braga, Northwest of Portugal. Materials 2021, 14, 6290. https://doi.org/10.3390/ma14216290
Abstract(s)This investigation intends to study and characterize the mortars and bricks from walls and floors used in the funerary nucleus of the archaeological site of Dr. Gonçalo Sampaio Street (Braga, Portugal), associated with the Via XVII necropolis of the <i>Bracara Augusta</i> Roman city. The diversity of the funeral structures and their exceptional state of conservation make this sector of the necropolis an unprecedented case and a reference site in the archaeology of Braga, a determinant for its conservation and musealization. Nineteen mortars samples were analysed by X-ray Fluorescence. The results showed clear chemical composition differences among coating and floor mortars (CFM), masonry mortars (MM) and bricks (B) groups of samples. The chemical affinity between CFM from the V to IV centuries, CFM from the IV to V centuries, MM from brick walls (IV–V centuries), MM from stone walls (V–VII centuries) and B from the IV to V centuries samples were confirmed by statistical analyses. Their composition was distinctly related to the use of different raw materials, according to their chronological context; in mortars, according to their function in the structures; and in some samples, from contamination.
TypeArticle
URIhttps://hdl.handle.net/1822/75956
DOI10.3390/ma14216290
ISSN1996-1944
Publisher versionhttps://www.mdpi.com/1996-1944/14/21/6290
Peer-Reviewedyes
AccessOpen access
Appears in Collections:BUM - MDPI

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