Dating correlated microlayers in oxalate accretions from rock art shelters: new archives of paleoenvironments and human activity

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dc.contributor.authorGreen, Hen_AU
dc.contributor.authorGleadow, AJMen_AU
dc.contributor.authorLevchenko, VAen_AU
dc.contributor.authorFinch, Den_AU
dc.contributor.authorMyers, Cen_AU
dc.contributor.authorMcGovern, Jen_AU
dc.contributor.authorHeaney, Pen_AU
dc.contributor.authorPickering, Ren_AU
dc.date.accessioned2023-12-19T01:59:05Zen_AU
dc.date.available2023-12-19T01:59:05Zen_AU
dc.date.issued2021-08-13en_AU
dc.date.statistics2022-06-30en_AU
dc.description.abstractOxalate-rich mineral accretions, often found in rock shelters around the world, offer important opportunities for radiocarbon dating of associated rock art. Here, sample characterization and chemical pretreatment techniques are used to characterize the accretions, prescreen for evidence of open-system behavior, and address potential contamination. The results provide stratigraphically consistent sequences of radiocarbon dates in millimeter-scale laminated accretions, demonstrating their reliability for dating rock art, particularly symbolic markings commonly engraved into these relatively soft deposits. The age sequences are also consistent with correlations between distinctive patterns in the layer sequences visible in shelters up to 90 km apart in the Kimberley region of northwestern Australia, suggesting their synchronized formation is not entirely shelter specific but broadly controlled by variations in regional environmental conditions. Consequently, these accretions also offer potential as paleoenvironmental archives, with radiocarbon dating of layers in nine accretions indicating four, approximately synchronous growth intervals covering the past 43 ka. © The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution 4.0.en_AU
dc.identifier.articlenumbereabf3632en_AU
dc.identifier.citationGreen, H., Gleadow, A., Levchenko, V. A., Finch, D., Myers, C., McGovern, J., Heaney, P., & Pickering, R. (2021). Dating correlated microlayers in oxalate accretions from rock art shelters: new archives of paleoenvironments and human activity. Science Advances, 7(33), eabf3632. doi:10.1126/sciadv.abf3632en_AU
dc.identifier.issn2375-2548en_AU
dc.identifier.issue33en_AU
dc.identifier.journaltitleScience Advancesen_AU
dc.identifier.urihttps://doi.org/10.1126/sciadv.abf3632en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15291en_AU
dc.identifier.volume7en_AU
dc.language.isoenen_AU
dc.publisherAmerican Association for the Advancement of Scienceen_AU
dc.relation.urihttps://doi.org/10.1126/sciadv.abf3632en_AU
dc.subjectAge estimationen_AU
dc.subjectArchaeologyen_AU
dc.subjectEnvironmenten_AU
dc.subjectHumansen_AU
dc.subjectRocksen_AU
dc.subjectSheltersen_AU
dc.subjectCalciumen_AU
dc.subjectPhosphatesen_AU
dc.subjectCultural objectsen_AU
dc.titleDating correlated microlayers in oxalate accretions from rock art shelters: new archives of paleoenvironments and human activityen_AU
dc.typeJournal Articleen_AU
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