Surface stratigraphy on limestone of Venetian palaces

Sgobbia, Manuela, Brimblecombe, Peter, Grossi, Carlota, Biscontin, Guido and Zendri, Elisabetta (2010) Surface stratigraphy on limestone of Venetian palaces. Journal of Architectural Conservation, 16 (3). pp. 52-70. ISSN 2326-6384

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The surfaces of Venetian palaces are a testimony to a long history of maintenance. Documents from nineteenth century restoration projects assign dates and reveal some reasons for treatments explaining, for example, the use of aggressive cleaning and then the addition of pigments so that the newly restored façade did not appear ‘too white’. Restoration during the 21st century has presented the opportunity to study the stone surface of three palaces and their stratigraphy. Three types of layers were identified (pollution deposit, silica/wax treatment and corrosion) which overlay the original stone and show distinct elemental signatures. The texture of the outermost deposit showed that the particle size was greatest when it was derived from areas of greatest exposure to the wind compared with calmer sheltered parts. Waxy treatment layers contained strata that probably derived from the brush used to apply the treatment. These treatment layers were warmer in tone than the superficial deposit or underlying stone. Improved understanding of the stratigraphy can inform decisions as to what layers should be protected during restoration.

Item Type: Article
Faculty \ School: Faculty of Science > School of Environmental Sciences
UEA Research Groups: Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences
Faculty of Science > Research Groups > Marine and Atmospheric Sciences (former - to 2017)
Depositing User: Rosie Cullington
Date Deposited: 16 Mar 2011 14:03
Last Modified: 23 Oct 2022 01:39
DOI: 10.1080/13556207.2010.10785075

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