Petra: Ancient site with impossible hand tool marks on hard sandstone. Petra's tool marks described as most obvious machine marks despite 2,000-year-old confirmed age Urn Tomb has chamber over 3,400 cubic meters (120,000 cubic feet) - could fill two Olympic swimming pools Ultra-fine uniform parallel markings cover entire walls and ceiling
Petra's Urn Tomb chamber spans approximately 3,400+ cubic meters (roughly equivalent to two Olympic swimming pools). Parallel tool marks have been observed on the walls and ceiling. The local sandstone contains significant quartz content and typically rates 6-7 on the Mohs scale. Researchers have noted these tool marks on both the Urn Tomb and the Treasury's columns.
Key Facts
- Petra's tool marks described as most obvious machine marks despite 2,000-year-old confirmed age
- Urn Tomb has chamber over 3,400 cubic meters (120,000 cubic feet) - could fill two Olympic swimming pools
- Ultra-fine uniform parallel markings cover entire walls and ceiling
- Same marks appear on Treasury's round columns
- Sandstone is hard with high quartz content, rated 7 on Mohs scale (nearly as hard as granite)
- Tooth chisel marks cannot create such uniform parallel lines - they change angles frequently
- Chisel marks overlay original machine marks showing later reworking
- Author argues marks are impossible for hand tools to achieve on hard sandstone
- Suggests possibility of original ancient civilization with machinery, later rediscovered and reworked
Related site: Petra — view location, images, and history on the Ancient Nerds map.
Source: Megalithic Mystery: Ancient Machine Marks vs Hand Tool Marks by Curious Being