Publisher： Cambridge University Press
E-ISSN： 1745-1744|65|247|292-295
ISSN： 0003-598x
Source： Antiquity, Vol.65, Iss.247, 1991-06, pp. : 292-295
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Abstract
For a century, pictures painted and carved on to rock surfaces have been a vital and alluring strand of prehistoric evidence. Yet their dating remains a fundamental problem. The last few years have seen an interest in direct dating of rock-art, both painted and engraved, using the small-sample capabilities of the accelerator radiocarbon technique. Here. issue is taken with the security of one of the new methods, the cation-ratio technique for dating engraved figures in arid regions where a ‘desert varnish’ forms - a method whose results have already been published in Antiquity in 1988 and again in the present issue (pages 246–55 above).
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