New compositional data on ancient mortars from Hagia Sophia (Istanbul,Turkey) |
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| Authors: | Domenico Miriello Luis Barba Jorge Blancas Andrea Bloise Marco Cappa Murat Cura Daniela De Angelis Raffaella De Luca Alessandra Pecci Mirco Taranto Hasan Bora Yavuz Gino Mirocle Crisci |
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| Affiliation: | 1.Dipartimento di Biologia, Ecologia e Scienze della Terra (DiBEST),Università della Calabria,Arcavacata di Rende,Italy;2.Archaeological Prospection Lab, Institute of Anthropological Research (IIA),Universidad Nacional Autónoma de México,México City,Mexico;3.Restructura - Surveys for Cultural Heritage,Cosenza,Italy;4.ERAAUB, Departament de Història i Arqueologia,Universitat de Barcelona,Barcelona,Spain;5.Freelance Surveying Engineer, Laser Scanning Expert,Istanbul,Turkey |
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| Abstract: | This study shows the results of a multidisciplinary collaboration between the University of Calabria (Italy) and the National Autonomous University of Mexico (UNAM), about the compositional characterization of some mortars taken from Hagia Sophia in Istanbul (Turkey), one of the most important buildings in antiquity. Twenty samples of joint mortars were analysed by micro-chemical analyses (SEM-EDS), X-ray powder diffraction (XRPD), optical microscopy (OM) and transmission electron microscopy (TEM). The compositional study allowed us to define, with more detail, the construction phases of the fifth, sixth and tenth century. The petrographic analysis in thin section by optical microscopy showed four typologies of sands, used as aggregate, with specific compositional features. SEM-EDS analyses and TEM observations of the binder around the ceramic fragments of the aggregate showed the presence of different morphologies of single C-S-H compounds. |
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