petroglyph

An image carved, pecked, or incised into rock — the rock itself is the medium, and the mark is made by removing material from its surface. Petroglyphs are found worldwide, from the <a href="https://rewilding.mx/word/desert-varnish/" class="word-autolink">desert varnish panels of the American Southwest to Scandinavian Bronze Age carvings to Aboriginal rock art in Australia. They are among the oldest surviving human marks on the landscape.