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Natural stones used in the Orsi-Marconi palace façade (Bologna): a petro-mineralogical characterization
Authors Marrocchino E, Telloli C, Pedrini M, Vaccaro C.  Year 2020
Pubblication type Paper International Journal with referee
Abstract Ancient buildings are important components of the Italian Cultural Heritage and, since the Etruscan Period, Bologna (north-eastern Italy) has always been one of the most flourishing cities both culturally and economically in the Italian and European panorama. The Orsi-Marconi Palace in Bologna presents a monumental façade decorated with many sandstone ornaments of the 16th century. Di erent samples from di erent parts of the façade of the building were collected and firstly characterised by macroscopic observations to determine the structural aspect. A petro-mineralogical study on the surfaces of the samples was conducted using a stereomicroscope and Optical Transmitted Light Polarized Microscopy. In addition, X-Ray Fluorescence and X-Ray Powder Di ractometer analyses were carried out to better understand the mineralogical composition of the sandstone materials used and the degradation products from the façades of this historical building. The aim of this work was to better understand how to revalue the sandstone decorations severely a ected by deterioration phenomena.
Reference Heritage, special issue Geosciences for Cultural Heritage and Archaeology, 3, 1109-1124
DOI: https://doi.org/10.3390/heritage3040062
WEB Reference https://doi.org/10.3390/heritage3040062
Research unit TRAC
Keywords sandstones; petro-mineralogical analysis; atmospheric pollutants
LastUpdate 20/05/2021
Related research topics
Code Topic Description
5 Materials Research, development and engineering in the field of advanced materials

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