Purbeck stone for items such as fonts, tombs, flooring and shafts. 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
Fencepost limestone marker for the now generally obsolete Benton Group classification. Reporting on the "Fence-Post Horizon" in 1897, W. N. Logan noted fifty thousand stone posts in Mitchell and Lincoln counties alone. Since then, the informal name "Fencepost limestone bed" has come to have a stature equal that of the adjacent members. The greatest use of the Fencepost limestone, for fencing and building, was from 1884 to 1920. On the early open ranges of the Kansas frontier, typically, the burden was on the farmers to protect their crops from free-range and driven cattle. Common practice of earlier frontier farmers in the East