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Displaying items by tag: modern luminescence

Life-sized figures sketched into red rock cliffs in Canyonlands National Park were drawn 1,000 years more recently than what had long been believed, a team of Utah State University scientists discovered about the world-renowned rock art.

The team used modern luminescence dating techniques to analyze when the art went up in what is known as the "Great Gallery" in southeastern Utah's Horseshoe Canyon. The researchers believe the figures were created 1,000 to 2,000 years ago instead of the previously thought 2,000 to 4,000 years ago.

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