Figure 2 | Scientific Reports

Figure 2

From: Quantifying the anisotropy and tortuosity of permeable pathways in clay-rich mudstones using models based on X-ray tomography

Figure 2

X-ray computed tomography data. (ac) Zeiss Xradia 520 Versa micro X-ray computed tomography with voxel size of 0.8 microns. (a) Lamination-parallel view of sample. (b) Vertical section view through sample showing silty (7% porous phase) and clay-rich (13% porous phase) compositional laminations of approximately 0.5 mm thickness. (c) Segmentation of grayscale into 4 distinguishable phases. (df) Zeiss Xradia 810 Ultra nano X-ray computed tomography with voxel size of 0.126 microns. (d) Lamination-parallel view of sample. (e) Vertical section view through sample. (f) Porous volume rendering (dashed volume outline in (e)) of grayscale threshold segmentation representing 11 volume % (red).

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