96 A new concept of karst development based on hydrogeology and geophysics Figure 8a shows the distribution of porous bodies in the 80 to 120 m depth intervals. Figure 8b shows the porosity distribution (A) and karstic body extension (B) in the central part of the 3D block. (a) (b) Figure 7 3D porosity block. (a) 3D Seismic porosity block in the 30–120 m depth interval. Modified after Mari et al. 2009, Delay et al., 2022. (b) Seismic porosity logs extracted from the 3D porosity block at boreholes M11, M14, M20, and M22.
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