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Tag: petroglyphs

Oldest Rock Art Discovered

September 3, 2013 Rock Products News

By Mark S. Kuhar A new high-tech analysis led by a University of Colorado Boulder researcher shows the oldest known petroglyphs in North America, which are cut into several boulders in western Nevada, date to at least 10,500 years ago and perhaps even as far back as 14,800 years ago.

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Last Callboulders, high-tech analysis, petroglyphs, researcher, University of Colorado Boulder, western Nevada

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