... separated by narrow landings (figure 2). structural geology vegetation cover pyroclastic material platform ribeira da tabua Ponta geologic formation Ribeira Da Caixa Madeira Island trachybasalt flow geologic study field work Reservoir Characterization narrow platform stabilization...

... The paper describes the results of laboratory and in situ investigations carried out on weak pyroclastic materials which could be encountered during engineering activities in volcanic regions. The research was focused on the historical town of Orvieto, representing a typical geotechnical...