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
Limestone, Tennessee Limestone, Tennessee Limestone is an unincorporated community on the western border of Washington County and the eastern border of Greene County in the northeastern part of the U.S. state of Tennessee. Its zip code is 37681. Limestone is part of the Johnson City Metropolitan Statistical Area, which is a component of the Johnson City–Kingsport–Bristol, TN-VA Combined Statistical Area – commonly known as the "Tri-Cities" region. Washington College Academy was founded in Limestone in 1780 by Rev. Samuel Doak, and was the first institution to bear the name of the first American president. Limestone was the birthplace of David Crockett (1786)