Limestone high quality quarried limestone, called Indiana limestone. Many famous buildings in London are built from Portland limestone. Limestone was also a very popular building block in the Middle Ages in the areas where it occurred, since it is hard, durable, and commonly occurs in easily accessible surface exposures. Many medieval churches and castles in Europe are made of limestone. Beer stone was a popular kind of limestone for medieval buildings in southern England. Limestone and (to a lesser extent) marble are reactive to acid solutions, making acid rain a significant problem to the preservation of artifacts made from this stone.
Lutetian Limestone thinner layers of harder limestone closer to the surface north of Paris. A now fashionable variety of Lutetian limestone from about 25 miles north of Paris is known as “Oise stone” or "Saint-Maximin limestone" and has become popular internationally for upscale building projects. In 2007, the quarries in southern Oise, around Saint-Maximin and Chantilly, applied to the French government to become the first to be granted a building stone Appellation Contrôlée – the badge of official French regional excellence – as if it were a wine or a cheese. According to a 2007 article in the UK’s "The Independent": “The