Scientific Evidence for Cast Limestone Blocks. Key ingredients for casting pyramid blocks were available in Old Kingdom Egypt: powdered limestone, clay/kaolin binder, natron (sodium carbonate), and lime Fossil shells in pyramid stones are jumbled at random angles, unlike natural sedimentary rock where they lie in horizontal layers This disarray suggests limestone was first crushed, mixed into paste, and poured into molds
Fossil shells in pyramid stones sit at random angles - not horizontal like in natural sedimentary rock. This suggests limestone was crushed, mixed into paste & poured into molds. All ingredients were available in Old Kingdom Egypt: limestone powder, clay binder, natron & lime. Davidovits' team recreated matching blocks with period-appropriate materials.
Key Facts
- Key ingredients for casting pyramid blocks were available in Old Kingdom Egypt: powdered limestone, clay/kaolin binder, natron (sodium carbonate), and lime
- Fossil shells in pyramid stones are jumbled at random angles, unlike natural sedimentary rock where they lie in horizontal layers
- This disarray suggests limestone was first crushed, mixed into paste, and poured into molds
- The precision of block fitting (not even a hair can be inserted) supports casting against neighboring surfaces
- Archaeologists have not found large numbers of copper chisels or pounding tools at Giza, despite conventional theory requiring extensive carving
- Casting in place would reduce need for metal tools, explaining their absence
- Davidovits team recreated reagglomerated limestone using only natural materials available 4,500 years ago
- The recreated blocks matched the Great Pyramid results with perfect joints
Related site: Great Pyramid of Giza — view location, images, and history on the Ancient Nerds map.
Source: They Proved How The Pyramids Were Built: Geopolymer by Universe Inside You