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Geochemistry, luminescence and innovative dose rate determination of a Chalcolithic calcite-rich negative feature

2019-08Journal article Restricted access
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dc.contributor.authorRodrigues, A. L.
dc.contributor.authorDias, M., I
dc.contributor.authorCarlos Valera, António
dc.contributor.authorRocha, F.
dc.contributor.authorPrudencio, M., I
dc.contributor.authorMarques, R.
dc.contributor.authorCardoso, G.
dc.contributor.authorRusso, D.
dc.date.accessioned2020-07-24T10:51:49Z
dc.date.available2020-07-24T10:51:49Z
dc.date.issued2019-08
dc.description.abstractAn interdisciplinary approach comprising archaeological, chemical, mineralogical, and luminescence data was applied to a better understanding of the fill dynamic and chronologies of a calcite-rich negative archaeological feature from Southern Portugal. This work aims to contribute to the assessment of the human involvement in the backfilling actions of a negative archaeological feature from a Chalcolithic site, thus better defining the moments of its destruction and/or abandonment. There are well-known limitations of luminescence dating of calcite-rich materials, particularly in the dose rate determination. In this work, a proposal of two innovative protocols to determine the dose rate of calcite-rich contexts is discussed. A clear improvement of the dose rate estimation was obtained by using the "radionuclide weighed" protocol. The comprehensive used methodologies enabled to define the infill phases and the sources of the infill materials. The luminescence profiling studies were also useful to describe the infill processes, highlighting their discontinuity and pointing to different deposition rates. The luminescence ages obtained, when using the "radionuclide weighed" protocol proposed in this work, are closer to the archaeological evidence of a Chalcolithic occupation.
dc.description.sponsorshipFCT (Portuguese Science and Technology Foundation)Portuguese Foundation for Science and Technology [UID/Multi/04349/2013, BL 36/2016_IST-ID, UID/GEO/04035/2013, PTDC-CS/ANT/104333/2008]
dc.description.sponsorshipFCTPortuguese Foundation for Science and Technology [SFRH/BD/62396/2009, SFRH/BPD/114986/2016]
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1016/j.jasrep.2019.101887
dc.identifier.issn2352-409X
dc.identifier.urihttp://hdl.handle.net/10400.1/14275
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationGEOQUÍMICA, MINERALOGIA E CRONOLOGIA ABSOLUTA DE MATERIAIS GEO-ARQUEOLÓGICOS CIRCUNDANTES A BARRA-GEM DO ALQUEVA. CONTRIBUIÇÃO PARA O CONHECIMENTO E VALORIZAÇÃO DO PATRIMÓNIO CULTURAL
dc.subjectTrace-elements
dc.subjectRare-earth
dc.subjectClays
dc.subjectSediments
dc.subjectPottery
dc.subjectQuartz
dc.subjectSite
dc.subjectCirculation
dc.subjectMineralogy
dc.subjectDeposits
dc.titleGeochemistry, luminescence and innovative dose rate determination of a Chalcolithic calcite-rich negative feature
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleGEOQUÍMICA, MINERALOGIA E CRONOLOGIA ABSOLUTA DE MATERIAIS GEO-ARQUEOLÓGICOS CIRCUNDANTES A BARRA-GEM DO ALQUEVA. CONTRIBUIÇÃO PARA O CONHECIMENTO E VALORIZAÇÃO DO PATRIMÓNIO CULTURAL
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F04349%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FGEO%2F04035%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F62396%2F2009/PT
oaire.citation.startPage101887
oaire.citation.titleJournal of Archaeological Science: Reports
oaire.citation.volume26
oaire.fundingStream5876
oaire.fundingStream5876
person.familyNameValera
person.givenNameAntónio
person.identifier.ciencia-id8117-9E53-B540
person.identifier.orcid0000-0001-5492-3810
person.identifier.scopus-author-id44261524700
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccess
rcaap.typearticle
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relation.isAuthorOfPublication.latestForDiscovery58824f61-0881-4548-9b91-77f47d22166a
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