Original title: New Material Clues on Execution Processes and Appearance of Ancient Large Bronzes Unveiled by Imaging, Microstructural, and Laser Spectroscopy Characterization of the Arringatore of Pila
Researchers examined the Arringatore, an ancient Etruscan bronze statue, using several ways to study its surface and metal. They measured the alloy through layers and looked closely at the statue’s tiny structures and materials. They found evidence that its blackish surface came from heating, which formed two layers of copper compounds. The results add clues about how ancient bronze workers made and finished large sculptures.
Imagine browning food in a pan. The heat changes the outside, but it can be hard to tell whether the color came from cooking or was added later. In this paper, the researchers examine the bronze’s surface layers and tiny structures to work out whether heating deliberately created its dark appearance.
The Arringatore is a large Etruscan bronze, and its surface can reveal how ancient artists made and finished sculptures. Understanding whether its dark coating was intentional helps researchers distinguish ancient craft choices from later changes to the object.
The abstract reports findings from one sculpture, the Arringatore, and says the results offer points for discussion about ancient bronze-making. It does not establish that other Etruscan bronzes had the same finish or production methods, nor does it specify how conclusively the bilayer’s age can be determined.
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New Material Clues on Execution Processes and Appearance of Ancient Large Bronzes Unveiled by Imaging, Microstructural, and Laser Spectroscopy Characterization of the Arringatore of Pila — Salvatore Siano, Sonia Mugnaini, Iacopo Osticioli et al. — Heritage — doi:10.3390/heritage9100402
Abstract licence: CC BY
Explanation generated by Synthesis from the abstract — it is not the original paper.