Early exploitation of Neapolitan pozzolan (pulvis puteolana) in the Roman theatre of Aquileia, Northern Italy by Simone Dilaria, Michele Secco, Andrea R. Ghiotto, Guido Furlan, Tommaso Giovanardi, Federico Zorzi, Jacopo Bonetto

“…Mineralogical and geochemical analyses demonstrated their provenance from the Bay of Naples, thus recognizing them as pulvis puteolana, a type of pozzolanic aggregate outcropping around the modern town of Pozzuoli and prescribed by Vitruvius (De Architectura, 2.6.1) in mortar-based materials to strengthen masonries and produce hydraulic concrete for harbor piers. …”
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Volcanic Pozzolan from the Phlegraean Fields in the Structural Mortars of the Roman Temple of Nora (Sardinia) by Simone Dilaria, Caterina Previato, Jacopo Bonetto, Michele Secco, Arturo Zara, Raffaella De Luca, Domenico Miriello

“…These volcanic pozzolans, outcropping in the Bay of Naples between Pozzuoli and the Vesuvius, are traditionally associated with the <i>pulvis puteolana</i>, the famous pozzolanic ash prescribed by Vitruvius and Pliny in order to confer strength and waterproofing capabilities to ancient concretes. …”
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