Portland Independent Top Whitbed is the variety of
Wikimedia Foundation. 2010.
Portland stone — is a limestone from the Jurassic period quarried on the Isle of Portland, Dorset. The quarries consist of beds of white grey limestone separated by chert beds. It has been used extensively throughout the British Isles, notably in major public… … Wikipedia
List of decorative stone — Geographical list of stone used for decorative purposes in construction and sculpture; currently or historically produced in various countries.: * For generic petrological rock types, see: List of rock types Belgium *Limestone Canada *… … Wikipedia
List of types of limestone — The following is a list of various types of limestone according to location.EuropeBritish Isles* Carboniferous limestone * Blisworth Limestone * Ketton Stone * Portland limestone ** Portland Admiralty Roach ** Portland Bowers Basebed ** Portland… … Wikipedia
List of decorative stones — *For generic petrological rock types, see: List of rock types Natural stone is a geographical list of stone used for decorative purposes in construction and monumental sculpture; currently or historically produced in various countries. In… … Wikipedia
