This paper focuses on the mineralogical and petrographic characterisation of ceramic fabrics rich in glauconitic pellets, found out in a few local productions of European and Mediterranean sites dated from Prehistory to the Middle Ages. The main distinguishing features of glauconitic inclusions are the rounded shape, the dark colour and the peculiar chemical composition. As also evidenced by a few preliminary experimental tests on glauconitic sediments, during the firing the pellets change in colour (from green to red or black in thin section) due to the oxidation of divalent iron and their texture becomes more homogeneous up to the partial or complete vitrification at moderately high temperatures.

A particular temper: mineralogical and petrographic characterisation of ceramic fabrics with glauconitic inclusions

BASSO, ELENA;RICCARDI, MARIA PIA;
2008

Abstract

This paper focuses on the mineralogical and petrographic characterisation of ceramic fabrics rich in glauconitic pellets, found out in a few local productions of European and Mediterranean sites dated from Prehistory to the Middle Ages. The main distinguishing features of glauconitic inclusions are the rounded shape, the dark colour and the peculiar chemical composition. As also evidenced by a few preliminary experimental tests on glauconitic sediments, during the firing the pellets change in colour (from green to red or black in thin section) due to the oxidation of divalent iron and their texture becomes more homogeneous up to the partial or complete vitrification at moderately high temperatures.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11571/208932
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