A anthropology lab would be able to date the pottery by style, temper and color. That would give a relative date. As the desert ‘varnish” can sometimes be measured that’s another check. Finally the style of the petroglyph would give a possible date. Reply
A anthropology lab would be able to date the pottery by style, temper and color. That would give a relative date. As the desert ‘varnish” can sometimes be measured that’s another check. Finally the style of the petroglyph would give a possible date.