Chronometric and Relative Age Determination of Petroglyphs in the Western United States
Articles » Scholarly, peer reviewed
Author/Creator
Ronald I. Dorn
David S. Whitley
Annals of the Association of American Geographers, vol. 74, no. 2, June 1984, pp. 308-322
Description
New rock varnish technique of cation-ratio dating determines that petroglyphs in California are older than previously thought.