Gian Marco Marmoni
Sapienza University of Rome
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Featured researches published by Gian Marco Marmoni.
Bollettino Della Societa Geologica Italiana | 2015
Marta Della Seta; Carlo Esposito; Gian Marco Marmoni; Salvatore Martino; Antonella Paciello; Cristina Perinelli; Gianluca Sottili
The recent geological history of Ischia Island is characterized by slope-scale gravitational deformations closely related to volcano-tectonic dynamics of the Mt. Epomeo resurgent caldera. This study focuses on the gravitational deformation that involves alkali-trachytic lava and trachytic ignimbrite flow-units of Mt. Nuovo, located in the western portion of Mt. Epomeo. A preliminary, high-resolution engineering-geological model was obtained through geological, geomorphological and geophysical surveys and reveals a complex morpho-structure with geomorphological evidence of gravitational instability. The complexity of the ongoing slope deformations is confirmed by field geo-structural evidences that led to the identification of a multiple compound mechanism with a main rupture surface which is about 200 m deep. This geometry was better constrained by passive seismic investigations consisting in noise measurements, focused on resonance frequencies of the soil (i.e. based on H/V Nakamura approach). In addition, a close relationship between the outcrop of Mt. Epomeo Green Tuff breccia layers and the distribution of hydrothermal emissions and gas vent can be inferred, as it is related to the higher permeability of the breccia layers with respect to the main Mt. Epomeo Green Tuff flow unit, where the ascent path of deep hydrothermal fluids developed along faults and fracture networks.
Sensors | 2018
Matteo Fiorucci; Gian Marco Marmoni; Salvatore Martino; Paolo Mazzanti
The Mediterranean region is affected by considerable daily and seasonal temperature variations due to intense solar radiation. In mid-seasons, thermal excursions can exceed tens of degrees thus influencing the long-term behaviour of jointed rock masses acting as a preparatory factor for rock slope instabilities. In order to evaluate the thermal response of a densely jointed rock-block, monitoring has been in operation since 2016 by direct and remote sensing techniques in an abandoned quarry in Acuto (central Italy). Monthly InfraRed Thermographic (IRT) surveys were carried out on its exposed faces and along sections of interest across monitored main joints. The results highlight the daily and seasonal cyclical behaviour, constraining amplitudes and rates of heating and cooling phases. The temperature time-series revealed the effect of sun radiation and exposure on thermal response of the rock-block, which mainly depends on the seasonal conditions. The influence of opened joints in the heat propagation is revealed by the differential heating experienced across it, which was verified under 1D and 2D analysis. IRT has proved to be a valid monitoring technique in supporting traditional approaches, for the definition of the surficial temperature distribution on rock masses or stone building materials.
Geomorphology | 2017
M. Della Seta; Carlo Esposito; Gian Marco Marmoni; Salvatore Martino; G. Scarascia Mugnozza; Francesco Troiani
Journal of Volcanology and Geothermal Research | 2017
Gian Marco Marmoni; Salvatore Martino; Michael J. Heap; Thierry Reuschlé
Procedia Engineering | 2017
Gian Marco Marmoni; Salvatore Martino; Michael J. Heap; Thierry Reuschlé
Geografia Fisica E Dinamica Quaternaria | 2017
Marta Della Seta; Carlo Esposito; Paolo Mazzanti; Danilo D'angio'; Luca Schilirò; Paolo Caporossi; Andrea Fantini; Salvatore Martino; Francesco Troiani; Francesca Bozzano; Matteo Fiorucci; Leonardo Maria Giannini; Varone Chiara; Missori Cristina; Rivellino Stefano; Iannucci Roberto; Roberto W. Romeo; Gian Marco Marmoni; Moretto Serena; Sarandrea Paolo
Volcanica | 2018
Michael J. Heap; Alexandra R. L. Kushnir; Luke Griffiths; Fabian B. Wadsworth; Gian Marco Marmoni; Matteo Fiorucci; Salvatore Martino; Patrick Baud; H. Albert Gilg; Thierry Reuschlé
Archive | 2016
Salvatore Martino; Marta Della Seta; Francesco Troiani; Paolo Caporossi; Matteo Fiorucci; Carlo Esposito; Paolo Mazzanti; Francesca Bozzano; Roberto W. Romeo; Serena Moretto; Chiara Varone; Andrea Fantini; Stefano Rivellino; Gian Marco Marmoni; Roberto Iannucci; Paolo Sarandrea
Archive | 2016
M Della Seta; Carlo Esposito; Gian Marco Marmoni; Salvatore Martino; Gabriele Scarascia Mugnozza; Francesco Troiani
35° Convegno Nazionale Gruppo Nazionale di Geofisica della Terra Solida (GNGTS) | 2016
Gian Marco Marmoni; A. Calabriso; Salvatore Martino; D. Borello; M. Della Seta; Carlo Esposito; Matteo Fiorucci; P. Venturini