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Title

Geophysical data integration for a joint interpretation in a shallow gypsiferous context

AuthorsMarzán, Ignacio; Martí, David ; Lobo, Agustín ; Kormann, Jean ; Alvarez-Marrón, Joaquina ; Carbonell, Ramón
Issue Date15-May-2016
PublisherUniversity of Aberdeen
Citation17th International Seismix Symposium: 107 (2016)
AbstractAs every geophysical technique suffers from its own limitation, a proper survey has to combine different geophysical methods. The integration of different geophysical data in order to derive a joint geological interpretation is complicated beyond qualitative (subjective) correlations. We propose a new numerical method (less subjective) to integrate three separated datasets: seismics, electrics and well logging. The study area is the shallow subsurface of a planned singular facility in Villar de Cañas (Cuenca, Central Spain). Lithology down to 100 m deep consists of a transition from shale to massive gypsum. In 2013, we acquired a3D Traveltime Tomography to characterize this transition. After data processing, the velocity model showed, in general, a good correlation with geological profiles, being able to identify the three main layers: shales, transition gypsum and massive gypsum. The correlation for the massive gypsum limit (high velocity contrast) is very good, but is not that good for the transition shale-gypsum (low velocity contrast).
URIhttp://hdl.handle.net/10261/149970
Appears in Collections:(ICTJA) Comunicaciones congresos
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