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Uranium-series dating rock art in East Timor.

Aubert, Maxime; O'Connor, Sue; McCulloch, Malcolm; Mortimer, Graham; Watchman, Alan; Richer-LaFlèche, Marc (2007). Uranium-series dating rock art in East Timor. Journal of Archaeological Science , vol. 34 , nº 6. p. 991-996. DOI: 10.1016/j.jas.2006.09.017.

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Résumé

At many sites throughout the world rock art paintings have been covered by naturally deposited calcite laminations, which we demonstrate can be individually dated by recently improved uranium-series methods. Here we report the application of multi-collector inductively coupled plasma mass spectrometry to measure the ages for carbonate coatings that bracket red pigment at Lene Hara cave, East Timor, which could be evidence of human painting. These analyses establish the feasibility of dating milligram samples of finely layered calcite deposits associated with archaeological evidence of human occupation. In addition to confirming an age of less then 6300 years for the visible red paintings on the carbonate surface we also report a substantially older age of 24,000 to 29,300 years for a similar, older red pigment lamination providing possible evidence for an earlier painting episode.

Type de document: Article
Mots-clés libres: rock art; uranium-series dating; multi-collector inductively coupled plasma mass spectrometry; East Timor; human evolution
Centre: Centre Eau Terre Environnement
Date de dépôt: 08 janv. 2021 15:06
Dernière modification: 08 janv. 2021 15:06
URI: http://espace.inrs.ca/id/eprint/10975

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