Luisa Vigorelli, Filomena Salvemini, Giulia Marcucci, Costanza Cucini, Daniela Di Martino, Maria Pia Riccardi
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High resolution neutron tomography as non-invasive tool for the study of a filigree from the Medieval Chiaravalle Cross
The Chiaravalle Cross, an ancient Italian processional cross from Chiaravalle Abbey (near Milan, Italy), is a jewellery masterpiece richly decorated with precious metals applied by combining different metalworking techniques like chiselling, engraving, gilding by laminas and amalgams. In particular, a golden filigree adorns the entire cross. A very small portion of this filigree has been made available for analyses, after the restoration in 2016. The filigree has a multi-component structure, made of drawn and after twisted silver wires, soldered and finally gilded. A neutron tomography imaging experiment has been carried out to disclose the three-dimensional structure of the ancient golden decoration for a comparison with two-dimensional results obtained by a previous SEM (scanning electron microscopy) investigation to demonstrate the potential of a non-invasive technique for a comprehensive understanding of the manufacturing technique.
期刊介绍：
Archaeological and Anthropological Sciences covers the full spectrum of natural scientific methods with an emphasis on the archaeological contexts and the questions being studied. It bridges the gap between archaeologists and natural scientists providing a forum to encourage the continued integration of scientific methodologies in archaeological research.
Coverage in the journal includes: archaeology, geology/geophysical prospection, geoarchaeology, geochronology, palaeoanthropology, archaeozoology and archaeobotany, genetics and other biomolecules, material analysis and conservation science.
The journal is endorsed by the German Society of Natural Scientific Archaeology and Archaeometry (GNAA), the Hellenic Society for Archaeometry (HSC), the Association of Italian Archaeometrists (AIAr) and the Society of Archaeological Sciences (SAS).
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