Fractal Properties of Various Clay Minerals Obtained from SEM Images

Table 2

Fractal and pore size distribution characteristics of various clays and dissolution holes.

	Kaolinite	Chlorite	Smectite	Dissolution holes
Fractal dimension ()	1.60	1.59	1.69	1.64
Lacunarity ()	0.59	0.77	0.50	0.59
Circularity (average of all pores)	0.42	0.52	0.61	0.74
Average pore count density (per 100 μm^2)	1.78	4.08	55.88	6.52
Average pore size density (μm^2)	2.94	1.89	0.56	1.01
Average perimeter (μm)	10.38	6.30	2.84	3.86