Pattern Recognition of Signals for the Fault-Slip Type of Rock Burst in Coal Mines

Table 1

Lithology description.

Sequence	Appellation	Thickness (m)	Symbol	Description
1	Siltstone	10.4		Grey black, medium- and thick-bedded
2	Fine sandstone	12.6		Grey black, siliceous cement and dense
3	Gritstone	7.9		Grey, sandy structure and well sorted.
4	Sandy mudstone	5.8		Hard coal core and sandy evenly distributed.
5	Number 4 seam	6.2		Semibright with simple structure.