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Book Chapter

The study of stone for conservation purposes: Lecce stone (southern Italy)

By
Angela Calia
Angela Calia
CNR – Institute for Archaeological and Monumental Heritage, University Campus Prov. le Lecce Monteroni, 73100 Lecce, Italy
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Marisa Laurenzi Tabasso
Marisa Laurenzi Tabasso
‘Sapienza’ University, Piazzale Aldo Moro 7, Roma, Italy
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Anna Maria Mecchi
Anna Maria Mecchi
CNR – Institute for Conservation and Valorisation of Cultural Heritage, Area Ricerca Roma 1, Via Salaria km 29.300, 00015 Monterotondo Scalo, Italy
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Giovanni Quarta
Giovanni Quarta
CNR – Institute for Archaeological and Monumental Heritage, University Campus Prov. le Lecce Monteroni, 73100 Lecce, Italy
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Published:
January 01, 2014

Abstract

Lecce stone is a fine bio-calcarenite, widely used in the Salento region (southern Italy) as a constituent material of the large-scale built cultural heritage. This stone is affected by serious deterioration problems, such as alveolization and biological attack. The extensive conservation work carried out over the last few decades has promoted large-scale studies of various aspects related to the stone's characteristics, its resources, and associated decay and conservation problems.

The paper reviews the main features of ‘Lecce stone’, addressing the following points: distribution of the quarries, including quarrying and carving techniques; mineralogical–petrographical and physical–mechanical characteristics of the extracted materials; use of the stone from antiquity until modern times; morphology of decay and, most importantly, decay factors; conservation treatments (products, tools and techniques), with particular reference to case studies of Baroque monuments; and systematic monitoring of monuments treated in the last 20 years. Given the wide spectrum of activities conducted in connection with Lecce monuments, and the stone from which they are built, they may be regarded as a suitable model for the study and management of monumental heritage in terms of its preservation.

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Contents

Geological Society, London, Special Publications

Stone in Historic Buildings: Characterization and Performance

J. Cassar
J. Cassar
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M. G. Winter
M. G. Winter
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B. R. Marker
B. R. Marker
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N. R. G. Walton
N. R. G. Walton
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D. C. Entwisle
D. C. Entwisle
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E. N. Bromhead
E. N. Bromhead
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J. W. N. Smith
J. W. N. Smith
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Geological Society of London
Volume
391
ISBN electronic:
9781862396678
Publication date:
January 01, 2014

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