Mortar and plaster
Plasters, Mortar, Plaster Initial Microscopic Examination
1319, Fourteenth Centuries, Fourteenth Century, Medieval, Thirteenth Centuries, Thirteenth, 1261, Twelfth Century
Initial microscopic examination identified three types of mortar and clay. Further analysis suggests that throughout the different phases of building the same sources of local sand were used for mortars and plasters.