Material Weakening of Slip Zone Soils Induced by Water Level Fluctuation in the Ancient Landslides of Three Gorges Reservoir

Table 3

Results of the XRD tests under different wet-dry cycles.

Cycles	Minerals and their relative content (%)
	Feldspar	Quartz	Calcite	Montmorillonite-chlorite	Illite	Kaolinite	Montmorillonite
0	2.36	33.92	53.74	2.88	2.76	1.56	2.78
1	2.61	33.7	53.06	2.97	2.98	1.66	3.02
2	3.12	32.56	52.88	3.1	2.8	2.08	3.46
3	3.79	32.04	51.58	3.2	3.32	2.36	3.71
4	4.57	31.66	50.37	2.98	3.64	2.73	4.03
5	4.66	30.97	49.76	3.23	3.82	2.99	4.37
6	4.85	30.62	49.57	3.11	3.72	3.28	4.82