Accelerator mass spectrometry radiocarbon dating of rock varnish

R. I. Dorn, A. J.T. Jull, D. J. Donahue, T. W. Linick, L. J. Toolin

Research output: Contribution to journalArticlepeer-review

68 Scopus citations


Accelerator mass spectrometry (AMS) 14 C dating of rock varnish provides minimum-limiting ages for landforms and archaeological artifacts in arid and semiarid lands that are undatable by conventional radiocarbon methods. Experiments on sample collection, the effect of different individuals preparing samples, the influence of different chemical-extraction procedures, the incorporation of carbonate detritus, possible contamination from rock underlying varnish, the role of bio-geochemical erosion of varnish, and other influences reveal procedures that yield reproducible results. -from Authors

Original languageEnglish (US)
Pages (from-to)1363-1372
Number of pages10
JournalGeological Society of America Bulletin
Issue number11
StatePublished - 1989

ASJC Scopus subject areas

  • Geology


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