Università degli Studi di Cagliari
Stefano Columbu
Chemical-physical agents and biodeteriogens in the alteration of limestones used in coastal historical fortifications located in different climatic conditions
In corso di stampa Columbu, Stefano; Sitzia, Fabio; Bacchetta, Gianluigi; Podda, Lina; Coroneo, Valentina; Pirinu, Andrea; Mirão José, A. P.; Moita Patrícia, S. M.; Caldeira Ana, Teresa; Rosada Tânia, I. S.
Protecting white Carrara marble with organophosphorus salts: a case study of ammonium hydrogen phenylphosphonate
2026-01-01 Murgia, Simone; Aragoni, M. Carla; Carcangiu, Gianfranco; Coles, Simon J.; Columbu, Stefano; Ennas, Guido; Lippolis, Vito; Meloni, Paola; Navarro Ezquerra, Antonia; Orton, James B.; Pintus, Anna; Podda, Enrico; Rainer, Daniel N.; Gimeno Torrente, Domingo; Arca, Massimiliano
Chemical reactivity of zeolitized volcanic waste materials from Sardinian quarries in the production of eco-friendly pozzolanic mortars for their sustainable recovery
2025-01-01 Columbu, S.; Comboni, D.; Gatta, G. D.; Fancello, D.; Rispoli, C.; Cappelletti, P.; Marrocu, S.; Brodu, G.
Materiali lapidei di pregio: studi e buone pratiche di valorizzazione economica, ambientale e culturale
2025-01-01 Careddu, Nicola; Dessena, Antonio; Frattolillo, Andrea; Marras, Graziella; Meloni, Paola; Rossi, Antonella; Fantauzzi, Marzia; Tuveri, Enrica; Columbu, Stefano; Cardia, Giuseppina; Pandolfi, Orlando; Pia, Luca; Chiappino, Claudia; Sitzia, Fabio
3D Fluorescence Mapping: A promising Technique for the Analysis of the Degradation of Pigments
2025-01-01 Porcu, Stefania; Podda, Michela; Brodu, Giovanni; Columbu, Stefano; Chiriu, Daniele
Mineralogical and petrographic analyses of a complex finishing plasters stratigraphy from a 17th century Sardinian Church
2025-01-01 Columbu, Stefano; Brodu, Giovanni; Chiriu, Daniele; Porcu, Stefania; Fenu, Giuliana
Chemical degradation and mineralogical transformations on based lime blue pigment
2025-01-01 Columbu, Stefano; Brodu, Giovanni; Porcu, Stefania; Chiriu, Daniele; Fenu, Giuliana
Sardinian basalt, Italy : A rediscovered stone
2024-01-01 Careddu, Nicola; Columbu, Stefano
The key to ancient Roman mortars hydraulicity: ceramic fragments or volcanic materials? A lesson from the Phlegrean archaeological area (southern Italy)
2024-01-01 Rispoli, C.; Montesano, G.; Verde, M.; Balassone, G.; Columbu, S.; De Bonis, A.; Di Benedetto, C.; D'Uva, F.; Esposito, R.; Graziano, S. F.; Mercurio, M.; Morra, V.; Cappelletti, P.
Multi-Analytical Techniques to Define the Mineralogical and Petrophysical Characteristics and Provenance of Siliceous Lithic Findings: The Case Study of La Calvera Rock Shelter (Cantabria, Spain)
2023-01-01 Columbu, S.; Fancello, D.; Gallello, G.; Ramacciotti, M.; Diez-Castillo, A.
Geological and archaeological heritage in the Mediterranean coasts: proposal and quantitative assessment of new geosites in SW Sardinia (Italy)
2022-01-01 Fancello, Dario; Columbu, Stefano; Cruciani, Gabriele; Dulcetta, Lorenzo; Franceschelli, Marcello
Mining Exploration, Raw Materials and Production Technologies of Mortars in the Different Civilization Periods in Menorca Island (Spain)
2022-01-01 Columbu, S.; Depalmas, A.; Brodu, G.; Gallello, G.; Fancello, D.
Lime and Cement Plasters from 20th Century Buildings: Raw Materials and Relations between Mineralogical–Petrographic Characteristics and Chemical–Physical Compatibility with the Limestone Substrate
2022-01-01 Columbu, S.; Usai, M.; Rispoli, C.; Fancello, D.
Pyroclastic Stones as Building Materials in Medieval Romanesque Architecture of Sardinia (Italy): Chemical-Physical Features of Rocks and Associated Alterations
2022-01-01 Columbu, S.; Palomba, M.; Sitzia, F.; Carcangiu, G.; Meloni, P.
Giant garnet crystals in wollastonite–grossularite–diopside-bearing marbles from Tamarispa (NE Sardinia, Italy): geosite potential, conservation, and evaluation as part of a regional environmental resource
2021-01-01 Franceschelli, M.; Columbu, S.; Elter, F. M.; Cruciani, G.
FROM MINERALS TO ARTEFACTS: THE ROLE AND CHALLENGES OF 3D MODELLING
2021-01-01 Aquino, A.; Pagnotta, S.; Lezzerini, M.; Pecchioni, E.; Cecchi, V. M.; Columbu, S.
Mineralogical-petrographic and physical-mechanical features of the construction stones in punic and roman temples of antas (Sw sardinia, italy): Provenance of the raw materials and conservation state
2021-01-01 Columbu, S.; Gaviano, E.; Costamagna, L. G.; Fancello, D.
Un approccio interdisciplinare allo studio dei Bacini ceramici nella Sardegna medievale: il caso della chiesa di San Pietro di Ponte a Quartu Sant’Elena (CA)
2021-01-01 Perra, Michela; Pinna, FABIO CALOGERO; Columbu, Stefano; Fantauzzi, Marzia; Rossi, Antonella; Porcu, Davide
Ammonium monoethyloxalate (AmEtOx): a new agent for the conservation of carbonate stone substrates
2021-01-01 Carla Aragoni, M.; Giacopetti, Laura; Arca, Massimiliano; Carcangiu, Gianfranco; Columbu, Stefano; Gimeno, Domingo; Isaia, Francesco; Lippolis, Vito; Meloni, Paola; Navarro Ezquerra, Antonia; Podda, Enrico; Rius, Jordi; Vallcorba, Oriol; Pintus, Anna
Strategies for helium pycnometry density measurements of welded ignimbritic rocks
2021-01-01 Columbu, Stefano; Mulas, Maurizio; Mundula, Filippo; Cioni, Raffaello
Strong mortars from the tower of the Cerreto Ciampoli castle (Siena, Italy)
2020-01-01 Giamello, Marco; Columbu, Stefano; Gabbrielli, Fabio; Mugnaini, Sonia; Scala, Andrea
Workability and chemical-physical degradation of limestone frequently used in historical Mediterranean architecture
2020-01-01 Columbu, Stefano; Meloni, Paola; Carcangiu, Gianfranco; Fancello, Dario
The construction materials and static-structural aspects of the Budello tower (Teulada, south-west Sardinia, Italy)
2020-01-01 Columbu, Stefano; Picchizzolu, Gian Matteo F.; Cazzani, Antonio
Ca-oxalate films on the stones of the medieval architecture: the case-study of Romanesque Churches
2020-01-01 Columbu, Stefano; Giamello, Marco; Pagnotta, Stefano; Acquino, Andrea; Lezzerini, Marco
Comparative pottery technology between the Middle Ages and Modern times (Santarém, Portugal)
2020-01-01 Beltrame, M.; Sitzia, F.; Liberato, M.; Santos, H.; Barata, F. T.; Columbu, S.; Mirao, J.
Ancient restoration and production technologies of Roman mortars from monuments placed in hydrogeological risk areas: a case study
2020-01-01 Sitzia, F.; Beltrame, M.; Columbu, S.; Lisci, C.; Miguel, C.; Mirao, J.
Chemical reactivity of pozzolans from Sardinia for the production of hydraulic limes
2019-01-01 Columbu, Stefano; Comboni, Davide; Gatta Giacomo, Diego; Sitzia, Fabio
LIBS analysis to define the alteration processes on the surface of ancient stones: the case study of Romanesque medieval monuments (Italy)
2019-01-01 Pagnotta, Stefano; Columbu, Stefano; Legnaioli, Stefano; Palleschi, Vincenzo; Piras, Giovanni; Sitzia, Fabio; Giamello, Marco; Lezzerini, Marco
Chemical-physical decay of volcanic stone from Santa Maria Church in Tergu (Anglona, Italy)
2019-01-01 Columbu, Stefano; Palomba, Marcella; Sitzia, Fabio; Virdis, Alberto
Archaeometric approach for studying architectural earthenwares from the archaeological site of s. Omobono (Rome-Italy)
2019-01-01 Miriello, D.; Antonelli, F.; Bloise, A.; Ceci, M.; Columbu, S.; De Luca, R.; Lezzerini, M.; Pecci, A.; Mollo, B. S.; Brocato, P.
Chemical and mineralogical analyses on stones from Sagunto Castle (Spain)
2019-01-01 Ramacciotti, M.; Rubio, S.; Gallello, G.; Lezzerini, M.; Raneri, S.; Hernandez, E.; Calvo, M.; Columbu, S.; Morales, A.; Pastor, A.; de la Guardia, M.
Geochemical characterisation of pozzolanic obsidian glasses used in the ancient mortars of Nora Roman theatre (Sardinia, Italy): provenance of raw materials and historical–archaeological implications
2019-01-01 Columbu, Stefano; Garau, Anna Maria; Lugliè, Carlo
Compositional analysis of the stones and ancient mortars of the Nora medieval tower fortification (south Sardinia, Italy)
2019-01-01 Columbu, Stefano; Sitzia, Fabio; Pagnotta, Stefano; Lezzerini, Marco
(FeCo/Ppy@C): Pt-free FeCo-Polypyrrole Nanocomposites Supported on Porous Carbon for Electrochemical Application
2019-01-01 Fiorellino, Francesca; Pilloni, Martina; Ardu, Andrea; Cabras, Valentina; Columbu, Stefano; Russo, Lisa; Scano, Alessandra; Ennas, Guido
Stones for the production of binding materials in Florence area (Tuscany, italy)
2019-01-01 Andrea, Aquino; Marco, Lezzerini; Elena, Pecchioni; Marco, Giamello; Columbu, Stefano; Emma, Cantisani; Fratini, Fabio
Mineralogical, petrographic, and physical investigations on fossiliferous middle Jurassic sandstones from central Sardinia (Italy) to define their alteration and experimental consolidation
2019-01-01 Buosi, Carla; Columbu, Stefano; Ennas, Guido; Pittau, Paola; Scanu, GIOVANNI GIUSEPPE
Mineralogical-chemical alteration and origin of ignimbritic stones used in the old Cathedral of Nostra Signora di Castro (Sardinia, Italy)
2019-01-01 Columbu, Stefano; Gioncada, Anna; Lezzerini, Marco; Sitzia, Fabio
Chronological classification of ancient mortars employing spectroscopy and spectrometry techniques: Sagunto (Valencia, Spain) Case
2018-01-01 Ramacciotti, M.; Rubio, S.; Gallello, G.; Lezzerini, M.; Columbu, S.; Hernandez, E.; Morales-Rubio, A.; Pastor, A.; De La Guardia, M.
Mineralogical-compositional variations in the production technologies of mortars used in some Italian medieval fortifications located in different territorial and historical contexts
2018-01-01 Columbu, Stefano; Gabbrielli, Fabio; Giamello, Marco; Mugnaini, Sonia; Scala, Andrea
Archaeometric study of mortars from the Pisa's Cathedral Square (Italy)
2018-01-01 Lezzerini, Marco; Raneri, Simona; Pagnotta, Stefano; Columbu, Stefano; Gallello, Gianni
Mappatura digitale, tecniche costruttive e caratterizzazione petrografica delle pietre della fortificazione di Punta Rossa (Caprera)
2018-01-01 Columbu, Stefano; Pieri, Sofia; Verdiani, Giorgio; Cianchetti, Pierluigi
Chemical-physical agents and biodeteriogens in the alteration of limestones used in coastal historical fortifications
2018-01-01 Columbu, Stefano; Sitzia, F.; Bacchetta, G.; Podda, L.; Calvia, G.; Coroneo, V.; Pirinu, A.; Mirão, J. A. P.; Moita, P. S. M.; Caldeira, A. T.; Rosada, T. I. S.
Geochemical and petrographic analysis on the stones and integrated digital survey of the Cathedral of Sant'Antioco di Bisarcio (Ozieri, Italy)
2018-01-01 Columbu, Stefano; Lezzerini, Marco; Verdiani, Giorgio
Origin of Roman worked stones from St. Saturno christian basilica (South Sardinia, Italy)
2018-01-01 Columbu, Stefano; Antonelli, Fabrizio; Sitzia, Fabio
Mineralogical, petrographic and physical-mechanical study of Roman construction materials from the Maritime Theatre of Hadrian's Villa (Rome, Italy)
2018-01-01 Columbu, S.; Lisci, C.; Sitzia, F.; Lorenzetti, G.; Lezzerini, M.; Pagnotta, S.; Raneri, S.; Legnaioli, S.; Palleschi, V.; Gallello, G.; Adembri, B.
Petrographic and mineralogical charecterization of volcanic rocks and surface-depositions on romanesque monuments
2018-01-01 Columbu, S; Piras, G; Sitzia, F; Pagnotta, S; Raneri, S; Legnaioli, S; Palleschi, V; Lezzerini, M; Giamello, M
Provenance of marbles from Baths of Nero (Pisa, Italy)
2018-01-01 Lezzerini, Marco; Sorrentino, Germana; Columbu, Stefano; Rizzitelli, Claudia; Gualandi Maria, Letizia
From the fortresses of Peruzzi to the Medici fortress: study of the entrapment mortars before and after the fall of the State of Siena
2018-01-01 Giamello, Marco; Gabbrielli, Fabio; Scala, Andrea; Mugnaini, Sonia; Columbu, Stefano
Digital mapping, building technique and petrographic characterisation of stones from Opera Punta Rossa fortification (Caprera, north Sardinia)
2018-01-01 Columbu, Stefano; Pieri, Sofia; Verdiani, Giorgio; Cianchetti, Pierluigi
Laser-Induced Breakdown Spectroscopy analysis of the limestone Nuragic statues from Mont'e Prama site (Sardinia, Italy)
2018-01-01 Columbu, Stefano; Carboni, Salvatore; Pagnotta, Stefano; Lezzerini, Marco; Raneri, Simona; Legnaioli, Stefano; Palleschi, Vincenzo; Usai, Alessandro
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