ABSTRACT
The material is Portland Whitbed Limestone used in construction of historical buildings in UK. Well known examples of such constructions are St. Paul’s Cathedral in London and Sydmonton Court in Newbury. This limestone is a fine grained Jurassic stone composed in over 92 percent of calcite and less than 8 percent of quartz. Inside the material, shell fragments are deposited among calcium carbonate forming bands or are distributed randomly.
