Glazed sgraffito ware from Torre Alemanna (Foggia, fifteenth to sixteenth century A.D.): technological aspects of a local production

نویسندگان

چکیده

Abstract The archaeometric investigation of 46 potsherds “Torre Alemanna type” pottery aimed to define a compositional reference group and understand the technological characteristics its production. Principal component analysis applied bulk chemical data (XRF) ceramic body showed strong homogeneity. Their comparison with local clays 6 fragments bricks sampled from kiln, on one hand, revealed use alluvial as raw material and, other proved their fractionation for production pottery. mineralogical assemblages detected by X-ray powder diffraction inferred maximum firing temperatures between 750 1000 °C body. Polarising optical microscopy scanning electron energy dispersive spectroscopy (SEM–EDS) investigations coating presence quartz-rich white engobe covered high lead transparent glaze. polychromatic decoration was analysed colorimetry EDS compare colour through all potsherds. A temperature range 780 950 liquidus ternary phase diagram PbO-Al 2 O 3 -SiO system. Overlap ranges sintering maturing glaze points single Torre type ware. results obtained technology ware, already attested in several archaeological contexts southern Italy, continuity past about carbonate-rich produce fine

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ژورنال

عنوان ژورنال: Archaeological and Anthropological Sciences

سال: 2022

ISSN: ['1866-9565', '1866-9557']

DOI: https://doi.org/10.1007/s12520-021-01500-3