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
Common shining cockroach Common shining cockroach The common shining cockroach ("Drymaplaneta communis") is a cockroach native to south-east Australia. It feeds on organic matter and is often found under the bark of eucalypt trees. During the late 1990s and 2000s, this cockroach appears to have had a population explosion in Sydney and Melbourne and is commonly found inside houses. This population increase likely coincides with an extended dry period, where many suburban gardeners added mulch to their gardens providing habitat for the common shining cockroach. Despite commonly being found inside houses, the common shining cockroach does not pose the same health risk as