Radiocarbon-dating adhesive and wooden residues from stone tools by Accelerator Mass Spectrometry (AMS): challenges and insights encountered in a case study

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dc.contributor.authorYates, ABen_AU
dc.contributor.authorSmith, AMen_AU
dc.contributor.authorBertuch, Fen_AU
dc.contributor.authorGehlen, Ben_AU
dc.contributor.authorGramsch, Ben_AU
dc.contributor.authorHeinen, Men_AU
dc.contributor.authorJoannes-Boyau, Ren_AU
dc.contributor.authorScheffers, AMen_AU
dc.contributor.authorParr, Jen_AU
dc.contributor.authorPawlik, Aen_AU
dc.date.accessioned2022-06-02T19:45:17Zen_AU
dc.date.available2022-06-02T19:45:17Zen_AU
dc.date.issued2015-09en_AU
dc.date.statistics2022-05-06en_AU
dc.description.abstractIn this study we present and assess a process to enhance archaeological residue AMS dating by focusing on contaminant confinement. The sequence of methods applied consists of: 1) optical residue and use-wear analyses, 2) experimental designs addressing cleaning treatments to mitigate impact of contaminants, 3) preparation and extraction of residues from (mostly) previously dated stone artefacts, and 4) establishing the elemental characteristics of residues by using SEM/EDX as a final step to avoid sample contamination during analyses. We found the alkaline surfactant Decon 90 is a useful solution for removal of skin scales and fabric fibre but has limited effect on graphite contamination introduced by pencil lead. Adhesive residues were not affected by Decon immersion, however, wooden residues from bog sites were partly dislodged. While the methodological sequence was in general successful and some artefact residues were dated within the anticipated age range, difficulties were encountered with other lithic residues. Some artefact residues attained AMS dates which appear to be affected by modern contaminants and other residue radiocarbon dates were seemingly affected by fossil shell derived from flint stone, plasticizers or from a fixative substance older than the fabrication and use of the artefact. One outcome from this study is that performing chemical residue identification earlier in the method sequence using non-destructive and non-contaminating methods would guide the choice of residue treatment and improve reliability of age determination. © 2015 Elsevier Ltden_AU
dc.identifier.citationYates, A. B., Smith, A. M., Bertuch, F., Gehlen, B., Gramsch, B., Heinen, M., Joannes-Boyau, R., Scheffers, A. M., Parr, J.,& Pawlik, A. (2015). Radiocarbon-dating adhesive and wooden residues from stone tools by Accelerator Mass Spectrometry (AMS): challenges and insights encountered in a case study. Journal of Archaeological Science, 61, 45-58. doi:10.1016/j.jas.2015.04.022en_AU
dc.identifier.issn0305-4403en_AU
dc.identifier.journaltitleJournal of Archaeological Scienceen_AU
dc.identifier.pagination45-58en_AU
dc.identifier.urihttps://doi.org/10.1016/j.jas.2015.04.022en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/13254en_AU
dc.identifier.volume61en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectCarbon 14en_AU
dc.subjectResiduesen_AU
dc.subjectResinsen_AU
dc.subjectBarken_AU
dc.subjectTaren_AU
dc.subjectBitumensen_AU
dc.subjectAdhesivesen_AU
dc.subjectScanning electron microscopyen_AU
dc.subjectMass spectroscopyen_AU
dc.titleRadiocarbon-dating adhesive and wooden residues from stone tools by Accelerator Mass Spectrometry (AMS): challenges and insights encountered in a case studyen_AU
dc.typeJournal Articleen_AU
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