Deformation Mechanism and Support Technology of Deep and High-Stress Soft Rock Roadway

Table 4

X-ray diffraction analysis of clay minerals.

Sample	S	I	K	C	I/S	C/S
S03-1#		58	11	20	11
S03-2#		83	4	10	3
S03-3#		72			28
S03-4#		54	12	21	13
S03-5#		74	9		17
S03-6#		76			24
S03-7#		79			21

S: smectite; I: illite; K: kaolinite; C: chlorite; I/S: illite/smectite formation; C/S: chlorite/smectite formation.