Polygonal masonry
Masonry comprising stones with over 4 face angles
From Wikipedia, the free encyclopedia
Polygonal masonry consists of stones that have five or more face angles, in contrast to ashlar blocks which have four rectangular ones.[1]
In Greece, Cyclopean masonry was the first type of polygonal masonry.[2] To fit the stones properly to each other, masons would utilize strips of lead to form templates of the already laid blocks, which were then used to shape the to-be-adjoined ones.[3]
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In Italy, polygonal masonry is particularly indicative of the region of Latium, but it occurs also in Etruria, Lucania, Samnium, and Umbria; scholars including Giuseppe Lugli have carried out studies of the technique.[4][5] Some notable sites that have fortification walls built in this technique include Norba, Signia, Alatri, Boiano, Circeo, Cosa, Alba Fucens, Palestrina, and Terracina.[6] The Porta Rosa of the ancient city of Velia employs a variant of the technique known as Lesbian masonry.[1]
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