Purbeck stone Purbeck stone Purbeck stone refers to building stone taken from a series of limestone beds found in the Upper Jurassic to Lower Cretaceous Purbeck Group, found on the Isle of Purbeck, Dorset in southern England. The best known variety of this stone is Purbeck Marble. The stone has been quarried since at least Roman times up to the present day. The Purbeck Group is a sequence of sedimentary rocks that were deposited in a shallow freshwater to brackish lagoonal setting. It ranges in age from Tithonian to Berriasian. Limestone beds are developed at various levels throughout the sequence, each with
Trullo (from the Greek word "τρούλος", cupola) refers to a house whose internal space is covered by a dry stone corbelled or keystone vault. "Trullo" is an italianized form of the dialectal term, "truddu", used in a specific area of the Salentine peninsula (i.e. Lizzaio, Maruggio and Avetrana, in other words, outside the "Murgia dei Trulli" proper) where it is the name of the local agricultural dry stone hut. "Trullo" has replaced the local term "casedda" (pl. "casedde") (Italian "casella", pl. "caselle") which was used by locals in the Murgia to call this type of house. A stonemason specializing in the