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A multiscalar and multiproxy geoarchaeological approach to site formation processes at the Middle and Upper Palaeolithic site of La Roche-à-Pierrot, Saint-Césaire, France

hal.structure.identifierIdentité et Différenciation de l’Espace, de l’Environnement et des Sociétés [IDEES]
dc.contributor.authorTODISCO, Dominique
hal.structure.identifierUniversidad de La Laguna [Tenerife - SP] [ULL]
dc.contributor.authorMALLOL, Carolina
hal.structure.identifierArchéosciences Bordeaux
dc.contributor.authorLAHAYE, Christelle
hal.structure.identifierGéosciences Rennes [GR]
dc.contributor.authorGUÉRIN, Guillaume
hal.structure.identifierArchéologie d'Alsace
dc.contributor.authorBACHELLERIE, François
hal.structure.identifierDepartment of Anthropology, Trent University
dc.contributor.authorMORIN, Eugène
hal.structure.identifierMusée National de Préhistoire
dc.contributor.authorGRAVINA, Brad
hal.structure.identifierDanmarks Tekniske Universitet = Technical University of Denmark [DTU]
dc.contributor.authorCHALLIER, Amélie
hal.structure.identifierArchéosphère
dc.contributor.authorBEAUVAL, Cédric
hal.structure.identifierDe la Préhistoire à l'Actuel : Culture, Environnement et Anthropologie [PACEA]
dc.contributor.authorBORDES, Jean-Guillaume
hal.structure.identifierIdentité et Différenciation de l’Espace, de l’Environnement et des Sociétés [IDEES]
dc.contributor.authorCOLANGE, Céline
hal.structure.identifierEnvironnements, Dynamiques et Territoires de Montagne [EDYTEM]
dc.contributor.authorDAYET, Laure
hal.structure.identifieruniversité de Liège - service de Préhistoire
dc.contributor.authorFLAS, Damien
hal.structure.identifierArchéosphère
dc.contributor.authorLACRAMPE-CUYAUBÈRE, François
hal.structure.identifierInstitut Català de Paleoecologia Humana i Evolució Social [IPHES-CERCA]
dc.contributor.authorLEBRETON, Loïc
hal.structure.identifierService départemental de l’Archéologie, Maison du Département, 85 Boulevard de la République, 17076 La Rochelle
dc.contributor.authorMAROT, Josserand
hal.structure.identifierDe la Préhistoire à l'Actuel : Culture, Environnement et Anthropologie [PACEA]
dc.contributor.authorMAUREILLE, Bruno
hal.structure.identifierConseil départemental de la Dordogne - Service de l'archéologie
dc.contributor.authorMICHEL, Alexandre
hal.structure.identifierSARL Get in Situ
dc.contributor.authorMUTH, Xavier
hal.structure.identifierIdentité et Différenciation de l’Espace, de l’Environnement et des Sociétés [IDEES]
dc.contributor.authorNEHME, Carole
hal.structure.identifierDe la Préhistoire à l'Actuel : Culture, Environnement et Anthropologie [PACEA]
dc.contributor.authorRIGAUD, Solange
hal.structure.identifierTravaux et recherches archéologiques sur les cultures, les espaces et les sociétés [TRACES]
dc.contributor.authorTARTAR, Elise
hal.structure.identifierTravaux et recherches archéologiques sur les cultures, les espaces et les sociétés [TRACES]
dc.contributor.authorTEYSSANDIER, Nicolas
hal.structure.identifierTravaux et recherches archéologiques sur les cultures, les espaces et les sociétés [TRACES]
dc.contributor.authorTHOMAS, Marc
hal.structure.identifierCalifornia State University [Northridge] [CSUN]
dc.contributor.authorROUGIER, Hélène
hal.structure.identifierDe la Préhistoire à l'Actuel : Culture, Environnement et Anthropologie [PACEA]
dc.contributor.authorCREVECOEUR, Isabelle
dc.date.issued2023
dc.identifier.issn0277-3791
dc.description.abstractEnThe site of La Roche-à-Pierrot in Saint-Césaire (Charente-Maritime, France) produced a succession of Mousterian, Châtelperronian and Aurignacian occupations, and continues to play a central role in debates concerning the Middle-to-Upper Palaeolithic transition. The source of controversy surrounding the site relates to ambiguities concerning the overall archaeological sequence, the cultural association of the human remains found at the site and the limited number of robust absolute dates. Here, we present the results of a multiscalar, multiproxy geoarchaeological investigation of the site's sedimentary sequence. Our study integrates geomorphology, field lithostratigraphy, microstratigraphy, geochemistry and absolute dating methods (radiocarbon and optically stimulated luminescence) designed to characterize site formation processes. We propose a site formation model involving the evolution of a karstified limestone cliff from a semi-closed system to an exposed slope deposit, with sediments at the base of the cliff accumulating under periglacial conditions of MIS3, broadly between ca. 59.9 ± 3.9 ka and ca. 37.7 ka. The lowermost Mousterian occupations took place in a semi-closed, sheltered space in which sedimentary rates were low, involving mainly cryoclastic roof spall and episodic percolation of fine-grained sediment. This depositional environment generated a Mousterian archaeological palimpsest in the proximal area and translocated downslope. Subsequent Mousterian, Châtelperronian and Aurignacian remains embedded within diamictons were deposited in an open-air context, on a sloping surface at the apex of a palaeotalus, and possibly above the site, at the top of the cliff. The resulting diachronous surfaces and immature deposits were subject to solifluction and slopewash, with low sedimentary rates. Our geoarchaeological study sheds new light on previously noted spatial inconsistencies in the archaeological sequence and constitutes a rigorous framework for further archaeological research at the site, highlighting the potential of a multiscalar, multiproxy site formation research to improve stratigraphic investigation of Palaeolithic sites in similar geomorphological contexts.
dc.language.isoen
dc.publisherElsevier
dc.subject.enGeoarchaeology
dc.subject.enMiddle-to-Upper Palaeolithic transition
dc.subject.enStratigraphy
dc.subject.enTaphonomy
dc.subject.enMicromorphology
dc.subject.enGeochemistry
dc.title.enA multiscalar and multiproxy geoarchaeological approach to site formation processes at the Middle and Upper Palaeolithic site of La Roche-à-Pierrot, Saint-Césaire, France
dc.typeArticle de revue
dc.identifier.doi10.1016/j.quascirev.2023.108218
dc.subject.halSciences de l'Homme et Société/Archéologie et Préhistoire
bordeaux.journalQuaternary Science Reviews
bordeaux.page108218
bordeaux.volume315
bordeaux.peerReviewedoui
hal.identifierhal-04205541
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-04205541v1
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