Soil vs. glass: an integrated approach towards the characterization of soil as a burial environment for the glassware of Cucagna Castle (Friuli, Italy)

Autor: Karl Tobias Friedrich, Patrick Degryse
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Science and Technology of Archaeological Research, Vol 5, Iss 2, Pp 138-156 (2019)
Druh dokumentu: article
ISSN: 2054-8923
20548923
DOI: 10.1080/20548923.2019.1688492
Popis: This research is performed on a selection of archaeological glass finds with corresponding soil samples, excavated on the site of the High Medieval castle Cucagna in Friuli/Northern Italy. In the frame of understanding medieval glass technology and the chemical–physical conditions that influenced the state of preservation of the glass finds, this study uses a multi-analytical line-up of methods to characterize the composition of the glass and basic parameters of the soil including texture, mineralogical composition, pH, redox potential (Eh) and electric conductivity (EC). The results show that glass corrosion in soil not only depends on acidity, alkalinity or glass composition but also on the texture of the soil, measurable as grain-size distribution, and the mineralogical composition. The compositional groups of the glassware from Cucagna indicate the use of various raw material sources, pointing to Northern and Central Italian glass workshops with primary or secondary glass production.
Databáze: Directory of Open Access Journals
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