Petroglyphs:
- Petroglyphs are images created by removing part of a rock surface by incising, picking, carving, or abrading, as a form of rock art.
- Scholars often use terms such as "carving", "engraving" to refer such images.
- Petroglyphs are found worldwide, and are often associated with prehistoric peoples.
Petroglyph vs Petrograph vs Petroforms:
- The term petroglyph should not be confused with Petrograph and Petroforms.
- Petrograph is an image drawn or painted on a rock face.
- Petroforms are patterns and shapes made by many large rocks and boulders over the ground.
