Research Article

Rock Mechanical Property Influenced by Inhomogeneity

Figure 4

SEM images of grey sandstone with different magnification.
418729.fig.004a
(a) Magnification 500
418729.fig.004b
(b) Magnification 1000
418729.fig.004c
(c) Magnification 2500
418729.fig.004d
(d) Magnification 5000