Title

Weathering of Petroglyphs: Direct Assessment and Implications for Dating Methods

Document Type

Article

Publication Date

1-1-2000

Abstract

Petroglyphs weather at varying rates, compared to the unengraved host rock into which they are carved. Most petroglyphs are significantly harder or significantly softer than surrounding rock, depending on the nature of weathering. Variability and intensity of weathering probably introduces error into radiocarbon, rock varnish and microerosion dating methods.

DOI

10.1017/S0003598X00060488

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