Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/32744
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dc.contributor.authorBuxeda i Garrigós, Jaume-
dc.date.accessioned2012-11-15T19:33:28Z-
dc.date.available2012-11-15T19:33:28Z-
dc.date.issued1999-
dc.identifier.issn0305-4403-
dc.identifier.urihttp://hdl.handle.net/2445/32744-
dc.description.abstractAlteration and contamination processes modify the chemical composition of ceramic artefacts. This is not restricted solely to the affected elements, but also affects general concentrations. This is due to the compositional nature of chemical data, enclosed by the restriction of unit sum. Since it is impossible to know prior to data treatment whether the original compositions have been changed by such processes, the methodological approach used in provenance studies must be robust enough to handle materials that might have been altered or contaminated. The ability of the logratio transformation proposed by Aitchison to handle compositional data is studied and compared with that of present data treatments. The logaratio transformation appears to offer the most robust approach-
dc.format.extent36 p.-
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherElsevier Ltd-
dc.relation.isformatofVersió postprint del document publicat a: http//dx.doi.org/10.1006/jasc.1998.0390-
dc.relation.ispartofJournal of Archaeological Science, 1999, vol. 26, p. 295-313-
dc.relation.isbasedonArticles publicats en revistes (Història i Arqueologia)-
dc.relation.urihttp://dx.doi.org/10.1006/jasc.1998.0390-
dc.rights(c) Elsevier Ltd, 1999-
dc.subject.classificationCeràmica prehistòrica-
dc.subject.classificationArqueometria-
dc.subject.classificationQuímica arqueològica-
dc.subject.otherPrehistoric pottery-
dc.subject.otherArchaeometry-
dc.subject.otherArchaeological chemistry-
dc.titleAlteration and Contamination of Archaeological Ceramics: the Perturbation Problem-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/acceptedVersion-
dc.identifier.idgrec140284-
dc.date.updated2012-11-15T19:33:28Z-
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess-
Appears in Collections:Articles publicats en revistes (Història i Arqueologia)

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