Exploring new ways to reconstruct the forma urbis romae : an archaeometric approach (CL color and stable isotope analyses)
Casas Duocastella, Lluís (Universitat Autònoma de Barcelona. Departament de Geologia)
Di Febo, Roberta (Universitat Autònoma de Barcelona. Departament de Ciències de l'Antiguitat i de l'Edat Mitjana)
Brilli, Mauro (Consiglio Nazionale delle Ricerche. Istituto di Geologia Ambientale e Geoingegneria)
Giustini, Francesca (Consiglio Nazionale delle Ricerche. Istituto di Geologia Ambientale e Geoingegneria)
Gozzi, Marco (Consiglio Nazionale delle Ricerche. Istituto di Geologia Ambientale e Geoingegneria)
De Caprariis, Francesca (Musei Capitolini)
Martín-Martín, Juan Diego (Universitat de Barcelona. Departament de Mineralogia, Petrologia i Geologia Aplicada)
Presicce, Claudio Parissi (Musei Capitolini)

Data:	2021
Resum:	The Forma Urbis Romae (F. U. ) was a 3rd-century-AD monumental map of ancient Rome consisting of 151 rectangular marble slabs. Several efforts have been made to reconstruct it from its current incomplete and fragmentary condition. In this paper, we explore the potential of an archaeometric approach to serve this purpose. Almost a hundred F. U. fragments have been characterized, particularly focusing on cathodoluminescence (CL) microscopy and stable isotopes (δO and δC). Different statistical methods have been used to quantify the similarity between samples. The central assumption is that samples from a given slab share similar CL colors and isotopic ratios. The assumption has been verified for samples from single fragments and then it has been used to check ten debated reconstruction hypotheses. The measured isotopic ratios confirm the Proconnesian nature of the F. U. marble, except for a fragment. Beyond provenance, the results cast doubts on four out of the ten checked reconstruction hypotheses and support the other six. The reconstruction of the F. U. remains a fascinating challenge, and both isotopic and CL analyses have demonstrated their potential to tackle it. Further research could extend the presented methodology to a higher number of samples. The innovative use of CL to reconstruct a fragmented artwork could be applied to other projects.
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Cathodoluminescence ; Isotopes ; Image processing ; Forma Urbis Romae ; Archaeometry
Publicat a:	Minerals, Vol. 11, Issue 12 (December 2021) , art. 1400, ISSN 2075-163X

DOI: 10.3390/min11121400

27 p, 5.3 MB

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