Resumen de Indicadores visuales o formas macroscópicas de alteración de la piedra monumental de la ciudad de Zamora

Mónica Añorbe Urmeneta, José María Martín Pozas, F.J. Sáinz de Cueto Torres

• The ornamental stone common in monumental constructions in the city Zamora (Spain) is made up of Paleogene silicified sandstone and conglomerate from the west edge of the Duero basin. This paper describes the macroscopic alterations forms that the stone developes under agents and external agressive factors.