Liquid gypsum’ burial from Roman Britain scanned in 3D, revealing 1,700-year-old secrets and techniques

A researcher scans the destructive cavity of a liquid gypsum burial from the Roman period. (Picture credit score: College of York)

About 1,700 years in the past, a rich Roman household was buried with a weird materials — liquid gypsum — poured over their corpses. Now, a noninvasive 3D scan of this burial has revealed the insides of their burial cocoon.

Gypsum is a mineral and key ingredient in cement and plaster that, on uncommon events, Roman-era individuals utilized in burials. As soon as the deceased had been positioned in lead or stone coffins, liquid gypsum was poured over the our bodies, which then hardened into protecting shells. After that, the coffins had been buried within the floor. Many of the coffins’ contents ultimately decayed, abandoning plaster casts with cavities much like these of the victims found at Pompeii

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