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CodexMira
DeepEarlyNeolithicBronze AgeIron Age and ClassicalMedievalEarlyModern

Serapeum boxes

MegalithContested

Description

Serapeum boxes is a megalith in Egypt, Africa. It is associated with Saqqara. UNESCO World Heritage List #86 gives its chronology as “Late Period to Ptolemaic, some inscribed.” Listed figures include a heaviest stone of 100 tonnes (disputed). Egyptological studies of Late Period stoneworking also records: “Cut and polished with copper tools, abrasive sand and long skilled labor.”

Twenty-four colossal boxes, each cut from a single block of granite or basalt, set inside the underground galleries. Estimates run from 60 to 100 tonnes including lids.

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Iron Age and Classical — Serapeum boxes in context.

Iron Age and Classical, 1,200 BCE to 500 CEDates supported by mainstream archaeology. Natural formations remain undated.Timeline182282222444310264112911622913713613668191,000 BCE500 BCE0 CE
Group count24Confidence: disputed
Heaviest stone100tConfidence: disputed
MaterialGraniteMohs 6-7 (mineral hardness scale)
QuarryAswan granite quarries (666.0km)calculated straight-line

Claims

Compare the published evidence and its interpretations. “Consensus” records the mainstream account; “Alternative” identifies a competing interpretation, not an equally established conclusion. Estimates and unresolved questions remain qualified in the claim text.

FieldConsensusAlternative
Date

664 BCE - 30 BCE

Late Period to Ptolemaic, some inscribed

No claims found.
Purpose

Sarcophagi for Apis bulls

No claims found.
Method

Copper tools and abrasives

Surface precision implies advanced machining

Christopher Dunn (2010) • Lost Technologies of Ancient Egypt, 2010

Precision & Alignment

alternativePrecision

Inner faces flat and square to very fine tolerances, implying machining

Christopher Dunn • Lost Technologies of Ancient Egypt, 2010
consensusPrecision

Cut and polished with copper tools, abrasive sand and long skilled labor

Egyptological studies of Late Period stoneworking

Related Wonders at Saqqara

Sources: Egyptological studies of Late Period stoneworking • Lost Technologies of Ancient Egypt, 2010 • UNESCO World Heritage List #86

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Approximate - counted from January 1, 347 BCE (UTC). Based on the midpoint of 664 BCE - 30 BCE; the underlying date is uncertain.

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