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Plaster-making technique previously attributed to the Romans appears 8,000 years earlier in Motza

phys.org·Krystal Kasal·28 days ago
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Journal of Archaeological Science (2026). DOI: 10.1016/j.jas.2026.106557"> Structure of plaster floors in area B10. Credit: Journal of Archaeological Science (2026). DOI: 10.1016/j.jas.2026.106557 Excavations from 2015 to 2021 on the ancient site of Motza, just west of Jerusalem, revealed a sprawling settlement with some surprisingly advanced technology. The site dates back to 7100–6700 BCE during the Pre-Pottery Neolithic B (PPNB) period. A new study, published in the Journal of Archaeological Science , describes plaster floors from the site made by a technique previously thought to have been first developed by the Romans 8,000 years later. The finding has archaeologists looking at Neolithic craftsmen in a new light. Dolomitic lime plaster vs. calcitic lime plaster There is evidence of the use of calcitic lime plaster, or calcium carbonate-based plaster, in construction as far back as 10,000 to 12,000 years ago.…

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