A natural varnish was discovered on 37,000-year-old horse paintings in Chauvet Cave using ultraviolet light
· earth.com · popularity 25/100 · 1 similar story today · Anthropology & Archaeology (Discovery & Research)
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Summary
A UV probe used from up to 8 feet (2.5 meters) away found a translucent calcite layer over the 37,000-year-old charcoal horses of Chauvet Cave.
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