This study is focused on Medieval Roman heavy lead-glazed ceramics from the archaeological site of the Caesar's Forum (Rome, Italy), dated from the 10th and not beyond the first decades of the 11th century. Optical microscopy (OM), X-ray powder diffraction (XRPD), scanning electron microscopy (SEM-EDS) and electron microprobe analysis (EMPA) have been used for the archaeometric characterization of the ceramics. Petrographic analysis of the body indicated the occurrence of three petro-fabrics, mainly composed by abundant quartz, feldspars, nodules of iron oxides, rare fragments of siliceous rocks, very rare fragments of calcareous rocks, pyroxene, biotite and olivine. This mineralogical assemblage suggests that the ceramics were fired in the range 950–1050 °C, under oxidizing conditions. SEM and EMP analysis show that the ceramic body was produced with non-or moderately calcareous clays and the heavy glaze with lead oxide, silica, alumina and alkalis. The microstructure of the glaze and the relationship with the body suggest that for the production of the ceramic repertoire of the Caesar's Forum either the single or the double firing techniques were used.

Medieval glazed ceramic from Caesar's Forum (Rome, Italy). Production technology / DE VITO, Caterina; Medeghini, Laura; Garruto, Sonia; Coletti, Fulvio; DE LUCA, Ilaria; Mignardi, Silvano. - In: CERAMICS INTERNATIONAL. - ISSN 0272-8842. - STAMPA. - 44:(2018), pp. 5055-5062. [10.1016/j.ceramint.2017.12.104]

Medieval glazed ceramic from Caesar's Forum (Rome, Italy). Production technology

Caterina De Vito
;
Laura Medeghini;Fulvio Coletti;Ilaria De Luca;Silvano Mignardi
2018

Abstract

This study is focused on Medieval Roman heavy lead-glazed ceramics from the archaeological site of the Caesar's Forum (Rome, Italy), dated from the 10th and not beyond the first decades of the 11th century. Optical microscopy (OM), X-ray powder diffraction (XRPD), scanning electron microscopy (SEM-EDS) and electron microprobe analysis (EMPA) have been used for the archaeometric characterization of the ceramics. Petrographic analysis of the body indicated the occurrence of three petro-fabrics, mainly composed by abundant quartz, feldspars, nodules of iron oxides, rare fragments of siliceous rocks, very rare fragments of calcareous rocks, pyroxene, biotite and olivine. This mineralogical assemblage suggests that the ceramics were fired in the range 950–1050 °C, under oxidizing conditions. SEM and EMP analysis show that the ceramic body was produced with non-or moderately calcareous clays and the heavy glaze with lead oxide, silica, alumina and alkalis. The microstructure of the glaze and the relationship with the body suggest that for the production of the ceramic repertoire of the Caesar's Forum either the single or the double firing techniques were used.
2018
Caesar's Forum; medieval roman heavy lead-glazed ceramics; OM XRPD SEM EMPA; technological background
01 Pubblicazione su rivista::01a Articolo in rivista
Medieval glazed ceramic from Caesar's Forum (Rome, Italy). Production technology / DE VITO, Caterina; Medeghini, Laura; Garruto, Sonia; Coletti, Fulvio; DE LUCA, Ilaria; Mignardi, Silvano. - In: CERAMICS INTERNATIONAL. - ISSN 0272-8842. - STAMPA. - 44:(2018), pp. 5055-5062. [10.1016/j.ceramint.2017.12.104]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1071581
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