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Figure 3
(a) Reconstructed slice of a limestone sample (Anstrude quarry, France) inside the rig at a voxel resolution of 6.5 µm. The sample is under a 20 MPa confinement and a 22 MPa axial load. The calcite grains appear in light grey, whereas the pores are dark. The jacket and the confining oil are indicated. (b) Zoom inside the sample corresponding to the yellow box in (a). (c), (d) Slice in the sample before (c) and after (d) deformation at 85 MPa, where the sample has ruptured and microfractures are visible, as well as pore collapse. (e), (f) Rendering of the sample before (e) and after (f) rupture, where the main shear fault is visible.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 23| Part 4| July 2016| Pages 1030-1034
doi:10.1107/S1600577516008730
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