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http://hdl.handle.net/2122/11704
Authors: | Marra, Fabrizio* D'Ambrosio, E.* Gaeta, M.* Mattei, M.* |
Title: | The Geochemical Fingerprint of Tufo Lionato Blocks from the Area Sacra di Largo Argentina: Implications for the Chronology of Volcanic Building Stones in Ancient Rome | Journal: | Archaeometry | Series/Report no.: | 4/60 (2018) | Issue Date: | 2018 | DOI: | 10.1111/arcm.12343 | Abstract: | We use trace element discrimination diagrams to provide a geochemical fingerprint for Tufo Lionato, the volcanic rock most commonly used in the ancient Roman dimension stone technique. Based on the comparison of their geochemical signatures, we identify different rock facies of Tufo Lionato employed since the fourth to third centuries and through the second century BCE in the construction of the temples of the Area Sacra di Largo Argentina. These rock facies correspond to two previously identified building stones: Aniene Tuff and Monteverde Tuff, named after their supposed source areas located in the Aniene River Valley and in the homonymous locality of the Tiber River Valley, respectively. However, the results of our study demonstrate previous misidentification of these volcanic rocks in the different construction phases of Temple C, providing a revision of the dating system currently accepted for the diffusion of Tufo Lionato architecture. We show that the Aniene facies has been exploited since the end of the fourth century BCE and that it was employed along with Tufo Giallo della Via Tiberina in the podium and staircase of Temple C, whereas observations at Largo Argentina suggest that the ‘Monteverde Tuff ’ was only sporadically used in the early phases of the dimension stone construction technique. |
Appears in Collections: | Article published / in press |
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Marra et al., 2017_Tufo Lionato.pdf | 2.27 MB | Adobe PDF |
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