For geologists, the term "Caen Stone" applies only to 6 to 8 meters of white fine-grained, whitish limestone situated in the upper part of the formation known as Caen limestone (middle Bathonian), This deposit was quarried as free stone, and for sculpture, in the city of Caen and the surrounding countryside.
Caen limestone consists of limestone rocks of marine origin which were deposited during the Jurassic period about 165 million years ago, at the beginning of the middle Bathonian.
The use“Caen Stone” was used as far back as the Gallo-Roman era. of "Caen Stone" dates back to the Gallo-Roman. One of its earliest major uses was for making sarcophagi in , the high Middle Ages .
From the time of William the Conqueror (11century) , up until today, up until today, Caen Stone has been closely linked to the history, culture and, architecture of the city of Caen, and of England.
The Caen Plain Quarry was very recently opened to meet the demand for restoration of historic monuments in the region. .
The Caen Plain Quarry is located on the site of the former Cintheaux quarry, Quarrying takes place underground, where blocks are mined for historic preservation societies, and for stonemasons and builders who cut and shape the stone in their own workshops or have it done by subcontracted artisans .