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In this study, we combined regional geology and geostatistical analytical processing to model the top surface of the Variscan basement in Italy. This surface, which is overlain by the preAlpine sedimentary cycle (Upper Carboniferous – Permian) followed by the Alpine Mesozoic and Tertiary cycles, covers a significant portion of the Italian peninsula and the Adriatic Sea. We integrated crustal seismic profiles, deep well litho-stratigraphic information and small-scale geological maps of Italy. A regional scale map of the depth of the investigated surface was thus produced using geostatistical processing. The level of reliability of our map varies depending on the distribution of subsurface data from wells and seismic profiles. However, this method is easily replicable, providing quick updates when new data become available. The map can help to identify areas with high potential for natural deep georesources and guide the exploration. [ABSTRACT FROM AUTHOR]

Geothermal data are published using different IT services, formats and content representations, and can refer to both regional and global scale information. Geothermal stakeholders search for information with different aims. E-Infrastructures are collaborative platforms that address this diversity of aims and data representations. In this paper, we present a prototype for a European Geothermal Information Platform that uses INSPIRE recommendations and an e-Infrastructure (D4Science) to collect, aggregate and share data sets from different European data contributors, thus enabling stakeholders to retrieve and process a large amount of data. Our system merges segmented and national realities into one common framework. We demonstrate our approach by describing a platform that collects data from Italian, French, Hungarian, Swiss and Icelandic geothermal data providers. [ABSTRACT FROM PUBLISHER]

An integrated review of existing geological and geophysical data – partly acquired during oil and gas exploration – combined with new data provided by deep geothermal studies of selected key areas, was used for the 3D modeling and mapping of the top of the geothermal reservoir developed at a regional scale in Sicily (Central Mediterranean). The resulting 1:500,000 scale map covers the area of the whole Sicily (about 25,700 km2) and is devoted to represent the main input for both the thermal modeling and the evaluation of geothermal potential at a regional scale. As the map indicates the distribution at depth of a likely target for geothermal drilling, it can be also used as a rough indicator of expected drilling cost for geothermal projects. Such a map can be seen as a useful planning tool for any geothermal project, and related exploration to be carried out in the Sicily region in the future. [ABSTRACT FROM PUBLISHER]