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Archaeometric Approach for Studying Architectural Earthenwares from the Archaeological Site of S. Omobono (Rome-Italy)

1
Department of Biology, Ecology and Earth Science (DiBEST), Università della Calabria, Via P. Bucci, 87036 Arcavacata di Rende (CS), Italy
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Laboratory for the Analysis of Ancient Materials (LAMA), University Iuav of Venice, San Polo 2468, 30125 Venice (VE), Italy
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Sovrintendenza Capitolina ai Beni Culturali, Roma Capitale, Piazza Lovatelli, 35, 00186 Roma (RM), Italy
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Department of Chemical and Geological Sciences, University of Cagliari, Cittadella universitaria, 09042 Monserrato (CA), Italy
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Department of Earth Sciences, University of Pisa, Via S. Maria 53, 56126 Pisa (PI), Italy
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ERAAUB, Department of History and Archaeology, University of Barcelona, c/Montalegre 4, 6, 08001 Barcelona, Spain
7
Department of Humanistic Studies, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende (CS), Italy
*
Authors to whom correspondence should be addressed.
Minerals 2019, 9(5), 266; https://doi.org/10.3390/min9050266
Received: 27 February 2019 / Revised: 25 April 2019 / Accepted: 29 April 2019 / Published: 30 April 2019
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Abstract

This paper reports the findings of an archaeometric study performed on 14 architectural earthenwares from the archaeological site of S. Omobono, located in the historic center of Rome (Italy). The archaeological site, accidentally discovered in 1937, includes the remains of a sacred area previously occupied by two temples, one of which was converted into the church of S. Omobono, in 1575. The samples, dated between the 7th and the 6th century BC, belong to different sectors of the site. Their petrographic, mineralogical and geochemical characterization was performed by optical microscopy (OM), X-ray powder diffraction (XRPD), X-ray fluorescence (XRF), electron probe micro-analysis (EPMA), and Raman spectroscopy (RS). The compositional data obtained were also subjected to the principal component analysis (PCA) in order to highlight similarities and differences among the samples. By combining geochemical and petrographic data, we were able to identify several different fabrics. Furthermore, the study provided valuable information on the firing temperatures of some samples and the provenance of the raw materials, by analyzing the chemical composition of clinopyroxenes present as non-plastic inclusions. View Full-Text
Keywords: archaeometry; fabric; firing temperature; clinopyroxene; provenance; constructive phases archaeometry; fabric; firing temperature; clinopyroxene; provenance; constructive phases
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Miriello, D.; Antonelli, F.; Bloise, A.; Ceci, M.; Columbu, S.; De Luca, R.; Lezzerini, M.; Pecci, A.; Mollo, B.S.; Brocato, P. Archaeometric Approach for Studying Architectural Earthenwares from the Archaeological Site of S. Omobono (Rome-Italy). Minerals 2019, 9, 266.

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