What’s the difference between a petroglyph and a pictograph?
Found throughout southern Utah, a petroglyph is an image carved, incised or scratched into stone. A pictograph is a painting on stone, using natural pigments.
Pictographs are typically found only in caves or other areas where they can be protected from the elements of sunshine, wind-blown sand and precipitation.
Rock art has survived hundreds, even thousands of years, but it can’t survive vandals or even repeated touching — the oil from fingertips damages rock art.
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