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Obsidian in the Caribbean Islands? Mysterious Ceramic Age glass artefacts in the Lesser Antilles

hal.structure.identifierDe la Préhistoire à l'Actuel : Culture, Environnement et Anthropologie [PACEA]
hal.structure.identifierArchéosciences Bordeaux
dc.contributor.authorLECK, Arthur
hal.structure.identifierDe la Molécule aux Nanos-objets : Réactivité, Interactions et Spectroscopies [MONARIS]
dc.contributor.authorBELLOT-GURLET, Ludovic
hal.structure.identifierInstitut de Physique du Globe de Paris [IPGP (UMR_7154)]
dc.contributor.authorCARAZZO, Guillaume
hal.structure.identifierIRAMAT - Centre Ernest Babelon [IRAMAT-CEB]
dc.contributor.authorGRATUZE, Bernard
hal.structure.identifierInstitut Universitaire Européen de la Mer [IUEM]
dc.contributor.authorLANGLADE, Jessica
hal.structure.identifierArchéosciences Bordeaux
dc.contributor.authorLE BOURDONNEC, François-Xavier
hal.structure.identifierTravaux et recherches archéologiques sur les cultures, les espaces et les sociétés [TRACES]
dc.contributor.authorBRESSY-LEANDRI, Céline
hal.structure.identifierMorgan State University
dc.contributor.authorSHEARN, Isaac
hal.structure.identifierArchéologie des Amériques [ArchAm]
hal.structure.identifierMinistère de la Culture [MC]
dc.contributor.authorSTOUVENOT, Christian
hal.structure.identifierDe la Préhistoire à l'Actuel : Culture, Environnement et Anthropologie [PACEA]
dc.contributor.authorQUEFFELEC, Alain
dc.date.created2023
dc.date.issued2023-11-16
dc.description.abstractEnThe Caribbean islands witnessed a population expansion of horti-ceramicists during the Early Ceramic Age (ca. 500 BC to 750 AD) from the Orinoco Valley to Puerto Rico. We examined 18 lithic artefacts from Guadeloupe and Dominica, initially thought to be obsidian, a material believed to be absent from those islands. We investigated the volcanic or meteoritic origin of this unique and yet unknown material through observation (binocular, SEM, microtomography) and geochemical analyses (PIXE, SEM-EDS, ED-XRF, EPMA, LA-ICP-MS). Elementary analyses rule out the hypothesis of an origin from a meteoritic impact (i.e. identification as tektites). Most of the artefacts have an andesitic composition (< 63% SiO2), which appears to be unique among "massive" glasses. The only artefact with a rhyolitic composition has been traced back to the Guadeloupe's Volcan du Tuf where glassy fragments have been collected and analysed. The geological source of the other vitreous artefacts that exhibit an andesitic composition could be from a sub-local subduction-arc volcanism (maybe from Martinique), although no volcanic vitreous material of this kind has ever been reported worldwide. These results once again highlight the regional mobility of Early Ceramic populations, the production of standard lithic products using a highly original, albeit low-quality, local lithic resource, and provide valuable references for future identification of similar materials.
dc.language.isoen
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.subject.enTektites
dc.subject.enS ourcing
dc.subject.enObsidian
dc.subject.enAndesite
dc.subject.enLesser Antilles
dc.subject.enCeramic Age
dc.subject.enImpactites
dc.title.enObsidian in the Caribbean Islands? Mysterious Ceramic Age glass artefacts in the Lesser Antilles
dc.typeDocument de travail - Pré-publication
dc.identifier.doi10.31235/osf.io/hypnb
dc.subject.halSciences de l'Homme et Société/Archéologie et Préhistoire
dc.subject.halChimie/Chimie analytique
dc.subject.halPlanète et Univers [physics]/Sciences de la Terre/Géochimie
dc.subject.halPlanète et Univers [physics]/Sciences de la Terre/Minéralogie
dc.subject.halPlanète et Univers [physics]/Sciences de la Terre/Volcanologie
hal.identifierhalshs-04382469
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//halshs-04382469v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.date=2023-11-16&amp;rft.au=LECK,%20Arthur&amp;BELLOT-GURLET,%20Ludovic&amp;CARAZZO,%20Guillaume&amp;GRATUZE,%20Bernard&amp;LANGLADE,%20Jessica&amp;rft.genre=preprint


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