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A novel interdisciplinary approach for building archaeology: The integration of mortar “single grain” luminescence dating into archaeological research, the example of Saint Seurin Basilica, Bordeaux

hal.structure.identifierIRAMAT-Centre de recherche en physique appliquée à l’archéologie [IRAMAT-CRP2A]
dc.contributor.authorURBANOVÁ, Petra
hal.structure.identifierIRAMAT-Centre de recherche en physique appliquée à l’archéologie [IRAMAT-CRP2A]
dc.contributor.authorGUIBERT, Pierre
hal.structure.identifierGéosciences Rennes [GR]
hal.structure.identifierIRAMAT-Centre de recherche en physique appliquée à l’archéologie [IRAMAT-CRP2A]
dc.contributor.authorLANOS, Philippe
hal.structure.identifierGéosciences Rennes [GR]
dc.contributor.authorDUFRESNE, Philippe
hal.structure.identifierIRAMAT-Centre de recherche en physique appliquée à l’archéologie [IRAMAT-CRP2A]
dc.contributor.authorCANTIN, Nadia
hal.structure.identifierAusonius-Institut de recherche sur l'Antiquité et le Moyen âge
dc.contributor.authorMICHEL, Anne
hal.structure.identifierInstitut de Recherches sur les Archéomatériaux [IRAMAT]
hal.structure.identifierGéosciences Rennes [GR]
dc.contributor.authorGARNIER, Lucas
dc.date.issued2018-08
dc.identifier.issn2352-409X
dc.description.abstractEnThis paper deals with new strategies for dating the construction of ancient monuments, one of the most topical issues in archaeology. Our approach is demonstrated by the study of an emblematic early medieval Basilica Saint Seurin in Bordeaux whose oldest building phases have never been well-understood and dated before due to the lack of written sources and archaeological findings. We mainly focus on the analyses of mortar as an omnipresent and non-recyclable material whose making is undoubtedly contemporary to the building process. For the first time, we integrated a novel, recently validated protocol for dating historical mortar through optically stimulated luminescence using the « single grain technique » (SG-OSL) into archaeological research. The present work arises from close and continuous collaboration between archaeologists and archaeometers both in situ and during post-excavation analyses. SG-OSL dating of mortar, as the most innovative aspect of the study, was combined with mortar characterization, radiocarbon dating of charcoals and partly also with ar-chaeomagnetic and thermoluminescence dating of bricks for a cross-check of chronological data. We identified and dated several independent building phases in the crypt of the present church where mortar was the only building material preserved. By combining physical dating methods with stratigraphic constraints based on archaeological interpretations, all the findings were used to construct a chronological model that proves continuity in occupation of the site between the 5th and the 12th centuries, reflecting its high cultural and symbolic value. By the inter-connection of mortar dating by SG-OSL with archaeology and other fields of archaeometry, we set up a renewed interdisciplinary working model for building archaeology that opens interesting perspectives for the future of this research field.
dc.description.sponsorshipUsing the world in ancient societies : processes and forms of appropriation of space in Long Time - ANR-10-LABX-0052
dc.language.isoen
dc.publisherElsevier
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/
dc.title.enA novel interdisciplinary approach for building archaeology: The integration of mortar “single grain” luminescence dating into archaeological research, the example of Saint Seurin Basilica, Bordeaux
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jasrep.2018.04.009
dc.subject.halSciences de l'Homme et Société/Archéologie et Préhistoire
dc.subject.halSciences de l'Homme et Société/Architecture, aménagement de l'espace
dc.subject.halSciences de l'Homme et Société/Héritage culturel et muséologie
dc.subject.halSciences de l'Homme et Société/Etudes classiques
dc.subject.halPhysique [physics]
dc.subject.halSciences de l'ingénieur [physics]/Matériaux
bordeaux.journalJournal of Archaeological Science: Reports
bordeaux.page307-323
bordeaux.volume20
bordeaux.peerReviewedoui
hal.identifierhal-01984867
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01984867v1
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