The mosaic of the crypt of St. Nicholas in Bari (Italy): integrated GPR and laboratory diagnostic study |
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Authors: | A Calia M LettieriG Leucci L MateraR Persico M Sileo |
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Institution: | Institute for Archaeological and Monumental Heritage (IBAM) – National Research Council (CNR), Prov.le Lecce-monteroni, 73100 Lecce, Italy |
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Abstract: | The crypt of St. Nicholas in Bari, Southern Italy, is a building of cultural worldwide importance. Inside the crypt a mosaic develops on the apsidal floor and along a parietal seat placed along the apsidal masonry, in the form of cladding. A surviving portion of the mosaic pavement is also preserved in the right lateral chapel. Integrated non-destructive survey and laboratory analyses were undertaken for the diagnostic study of the mosaic. GPR prospection was successfully applied to the study of its conservation state, that is strictly related to the condition of the subsoil, in particular to the presence and distribution of water. The presence of water, whose rise interests also some portions of the masonry and water content distribution were identified by the results of electromagnetic wave velocity analysis in GPR data. |
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Keywords: | GPR Laboratory analysis Crypt of St Nicola Mosaic |
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