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Figure 3: Composite 3D Allan Map showing the possible communication pathways within the L sand package. (1) 3D juxtaposition of sedimentological sequences. (2) 3D juxtaposition of sand with porosity > 8%. (3a) Communication pathways between immediately superposed sequences (sands + shales). (3b) Communication pathways between sequences separated by at least another sequence. HW: hanging wall. FW: footwall.