History Petroglyph

composite image of petroglyphs scandinavia (häljesta, västmanland in sweden). nordic bronze age. glyphs have been painted make them more visible.



a petroglyph of caravan of bighorn sheep near moab, utah, united states; common theme in glyphs desert southwest , great basin

some petroglyphs might old 40,000s, , petroglyph sites in australia estimated date 27,000 years. many petroglyphs dated approximately neolithic , late upper paleolithic boundary, 10,000 12,000 years ago, if not earlier, such kamyana mohyla. around 7,000 9,000 years ago, other precursors of writing systems, such pictographs , ideograms, began appear. petroglyphs still common though, , cultures continued using them longer, until contact western culture made in 19th , 20th centuries. petroglyphs have been found in parts of globe except antarctica, highest concentrations in parts of africa, scandinavia, siberia, southwestern north america, , australia.