Characterisation of archaeological mortars from Pompeii (Campania, Italy) and identification of construction phases by compositional data analysis

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• 作者：Domenico Miriello ; Donatella Barca ; Andrea Bloise ; Annamaria Ciarallo ; Gino M. Crisci ; Teresa De Rose ; Caterina Gattuso ; Flavia Gazineo ; Mauro F. La Russa
• 关键词：Mortar ; Binder ; Aggregate ; Lump ; Cocciopesto ; Cluster analysis ; C– ; S– ; H phases ; XRF ; SEM-EDS ; LA-ICP-MS ; XRPD
• 刊名：Journal of Archaeological Science
• 出版年：2010
• 出版时间：September 2010
• 年：2010
• 卷：37
• 期：9
• 页码：2207-2223
• 全文大小：3427 K

文摘

This work describes the compositional characterisation of coccciopesto and natural pozzolanic mortars sampled in the Regio VI area of the archaeological site of Pompeii, with particular reference to the Casa di Pansa in Insula 6 and Casa 17 in Insula 2. Samples were studied by optical microscopy and analysed by XRF, SEM-EDS, LA-ICP-MS and XRPD. The XRF and SEM-EDS data, subjected to multivariate analysis (cluster analysis), identified the three main construction phases involved in building the Casa di Pansa. In addition, mineralogical and petrographic characteristics of the aggregate were determined and found to be compatible with pyroclastic deposits from the volcano Vesuvius. Study revealed C–S–H phases in the binder, due to pozzolanic hydration phemomena of hydrated lime with cocciopesto and natural pozzalana.