Classification and Disintegration Characteristics of the Carboniferous Rocks in Guangxi, China

Table 1

Main mineral compositions and percentage contents of the carboniferous rocks.

Sample number	Mineral content (%)
	Quartz	Calcite	Dolomite	Illite	Montmorillonite	Kaolinite	Chlorite	Pyrite
A1	69.93	28.66	1.41	—	—	—	—	—
A2	75.41	23.05	1.55	—	—	—	—	—
A3 (B1)	37.74	45.91	2.82	11.24	—	—	—	2.3
B2	28.55	58.85	—	12.60	—	—	15.53	—
C2 (B3)	5.9	66.06	—	11.44	15.01	—	—	1.59
C3 (B4)	27.68	43.30	7.06	10.67	9.92	—	—	1.37
C4 (C1)	45.69	6.93	11.97	24.74	—	—	8.03	2.64
C5 (C2)	45.84	17.92	11.42	22.62	—	—	—	—
D (C3)	52.31	15.63	9.73	20.65	—	—	—	1.69
E	64.31	—	15.13	21.74	—	—	—	—
F	57.26	12.09	8.43	22.22	—	—	—	2.20
H	62.02	—	7.12	27.18	3.69	—	—	—