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the Giza Building Project

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Author Topic: the Giza Building Project  (Read 10690 times)
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Catastrophe
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« Reply #180 on: May 30, 2007, 06:21:34 am »

Let me add a little about analysis.

Quote
The colour changes accordingly. Lauer gave the following analysis of (mortar) samples taken from phase M1-3 of the step pyramid: All figures %.

Whitish
Clay 54.0 Powdered limestone 11.0 Quartz sand 35.0

Yellowish
Clay 38.5 PL 53.0-55.0 QS 8.0

Reddish
Clay 35.0 PL 14.0 QS 83.0

Quite a variation!

Quote
But we still do not know if the Egyptians of Pharaonic times knew the use of lime or if lime found in mortar was of natural origin, as impurities derived from the raw material
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