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Multispectral Analysis of Miniature Nuragic Bronze Flasks

Dipartimento di Storia, Scienze Dell’uomo e Della Formazione, Università di Sassari, 07100 Sassari, Italy
Department of Physics, Università di Cagliari, Cittadella Universitaria, 09042 Monserrato, Italy
Dipartimento di Scienze Umanistiche e Sociali, Università di Sassari, 07100 Sassari, Italy
Dipartimento di Scienze di Base e Applicate per L’ingegneria, Università Degli Studi di Roma “La Sapienza”, 00161 Rome, Italy
Dipartimento di Chimica e Farmacia, Università di Sassari, 07100 Sassari, Italy
Author to whom correspondence should be addressed.
Academic Editor: Chiara Soffritti
Received: 26 July 2021 / Revised: 9 August 2021 / Accepted: 10 August 2021 / Published: 11 August 2021
(This article belongs to the Special Issue Metals in Heritage Science)
Miniaturized bronze flasks represent a small portion of a wide metallurgical production that flourished in Sardinia (Italy) between the Final Bronze Age (FBA) and the Early Iron Age (EIA). They replicate a well-known and symbolic type of object, the pilgrims’ flask, common in all Europe and Mediterranean basin, and have but few archaeological parallels. For these reasons, their characterization can be considered important from an archaeological perspective. Three flasks, preserved at the Antiquarium Arborense museum (Oristano), were analyzed by X-Ray Fluorescence Spectroscopy (XRF) and Raman spectroscopy, integrated by multispectral images. The samples, coming from illegal excavations, posed two problems: establishing their authenticity and investigating the alloy composition of such particular objects. All specimens presented a widespread degradation in the outer surface: XRF and Raman spectroscopy indicated the presence of copper oxides, calcium and copper carbonates deposits. The abscence of Zn, a clear marker of forgeries, was not detected by XRF. In two of the flasks, an unusual Sn content above 20%, was detected. For FBA and EIA, especially regarding southern Europe, Sn was extremely rare, and was possibly used with caution. Further results are presented herein. View Full-Text
Keywords: Sardinia; miniature bronze objects; pilgrim flask; XRF; Monte Carlo; Raman Sardinia; miniature bronze objects; pilgrim flask; XRF; Monte Carlo; Raman
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MDPI and ACS Style

Nocco, C.; Assunta Pisu, F.; Chiriu, D.; Depalmas, A.; Barcellos Lins, S.A.; Brunetti, A. Multispectral Analysis of Miniature Nuragic Bronze Flasks. Heritage 2021, 4, 1716-1724.

AMA Style

Nocco C, Assunta Pisu F, Chiriu D, Depalmas A, Barcellos Lins SA, Brunetti A. Multispectral Analysis of Miniature Nuragic Bronze Flasks. Heritage. 2021; 4(3):1716-1724.

Chicago/Turabian Style

Nocco, Carlo, Francesca Assunta Pisu, Daniele Chiriu, Anna Depalmas, Sergio A. Barcellos Lins, and Antonio Brunetti. 2021. "Multispectral Analysis of Miniature Nuragic Bronze Flasks" Heritage 4, no. 3: 1716-1724.

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