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Dating oxalate minerals 20-45 ka

Watchman, Alan; O'Connor, Susan; Jones, Rhys


We 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...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Journal of Archaeological Science
DOI: 10.1016/j.jas.2004.10.007


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