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Dating oxalate minerals 20-45 ka

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dc.contributor.authorWatchman, Alan
dc.contributor.authorO'Connor, Susan
dc.contributor.authorJones, Rhys
dc.date.accessioned2015-12-13T22:45:20Z
dc.date.issued2005
dc.date.updated2015-12-11T10:20:58Z
dc.description.abstractWe report a test of the dating of oxalate minerals near the radiocarbon limit. Oxalate salts are used for estimating the ages of prehistoric rock paintings and carvings, but uncertainties have existed about the origin of the carbon they contain. Sediments at the Carpenter's Gap 1 rockshelter, Western Australia, have been conventionally radiocarbon dated at about 34000 years old, providing independent evaluation for the ages of buried oxalate crusts associated with them. Accelerator mass spectrometry radiocarbon (AMS14C) assays of carbon in rapidly oxidized oxalate ions from these crusts produce age estimates marginally older than the covering sediments.
dc.identifier.issn0305-4403
dc.identifier.urihttp://hdl.handle.net/1885/79712
dc.publisherElsevier
dc.sourceJournal of Archaeological Science
dc.subjectKeywords: oxalate; radiocarbon dating; Australasia; Australia; Eastern Hemisphere; Western Australia; World AMS radiocarbon; Carpenter's Gap 1 rockshelter; Crusts; Kimberley; Oxalate; Western Australia
dc.titleDating oxalate minerals 20-45 ka
dc.typeJournal article
local.bibliographicCitation.issue3
local.bibliographicCitation.lastpage374
local.bibliographicCitation.startpage369
local.contributor.affiliationWatchman, Alan, College of Asia and the Pacific, ANU
local.contributor.affiliationO'Connor, Susan, College of Asia and the Pacific, ANU
local.contributor.affiliationJones, Rhys, College of Asia and the Pacific, ANU
local.contributor.authoruidWatchman, Alan, u1590847
local.contributor.authoruidO'Connor, Susan, u9413939
local.contributor.authoruidJones, Rhys, u6900272
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.absfor210102 - Archaeological Science
local.identifier.ariespublicationMigratedxPub8101
local.identifier.citationvolume32
local.identifier.doi10.1016/j.jas.2004.10.007
local.identifier.scopusID2-s2.0-14744297546
local.type.statusPublished Version

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