The video argues that Egyptian quarry workers heated rock with wood fires, poured on water to create thermal-shock cracks, and used diorite balls to clear fractured bedrock. Research supports fire-assisted hard-stone quarrying in Egypt, but the specific water-quenching, mud-brick-frame and obelisk-trench method is a proposed reconstruction, not an established fact.
Video proposes fire-and-water quarrying for Egyptian obelisks
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Key facts
- Research supports fire-assisted quarrying at some ancient Egyptian hard-stone sites.
- The video argues that water was poured onto fire-heated rock to create thermal-shock cracks.
- The mud-brick frames, diorite balls and worker-sized trenches form part of the video’s proposed reconstruction.
- The cited research describes heat damage and controlled pounding, not an established instant-cracking method for extracting obelisks.
Sources
The Pyramids of Egyptcrystalinks.com
Many of the pyramids were built with a number of different stone materials. Most of the material used was fairly rough, low grade limestone used to build the ...
Heat as an Agent in Ancient Egyptian Hard Stone Quarryingresearchgate.net
The thermal shock caused extreme exfoliation, producing large and flat clasts, affecting rocks to a depth of up to 20 cm. A decade after the fire, most ...
Quarrying in Ancient Egypt | Middle East And North Africaafricame.factsanddetails.com
Key soft stone deposits exploited during antiquity occur at Hatnub (travertine), in the region of the Muqattam hills near Cairo (limestone), and between Aswan ...
Feasibility of cracking granite with molten sodium ...nature.com
A tomb chamber mural vividly renders a mysterious scene in which a group of Egyptians heat some kind of substance in a kiln using foot-powered ...
The problems of the obelisk revisitedsciencedirect.com
by M Marčiš · 2023 · Cited by 5 — The experiment resulted in determining a quarrying speed of 216 cm3/h with 85 hits per minute. The results achieved speak against the use of only dolerite ...
Fire on the Rocks: Heat as an Agent in Ancient Egyptian ...academia.edu
The quarrying model includes controlled areas heated by fire, followed by precise pounding to create cracks. This technique, leaving distinct patterns ...
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