
thumb|New, unlaid mudbricks in the Jordan Valley (Middle East)|Jordan Valley, [[West Bank Palestine, 2011]] right|thumb|Mudbrick was used for the construction of Elamite [[ziggurats—some of the world's largest and oldest constructions. Choqa Zanbil, a 13th-century BCE ziggurat in Iran, is similarly constructed from clay bricks combined with burnt bricks.]]
thumb|New, unlaid mudbricks in the Jordan Valley (Middle East)|Jordan Valley, [[West Bank Palestine, 2011]] right|thumb|Mudbrick was used for the construction of Elamite [[ziggurats—some of the world's largest and oldest constructions. Choqa Zanbil, a 13th-century BCE ziggurat in Iran, is similarly constructed from clay bricks combined with burnt bricks.]]
A mudbrick (or mud-brick), also called an unfired brick, is an air-dried brick composed of a mixture of mud (containing loam, clay, sand, and water) with a binding material, such as rice husks or straw. Mudbricks are known to have been used since 9000 BCE.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).