Through analysis to sedimentary condition of stratum coal measures,deposit state and changing regular of coal seam were known,it has directive significance to mining coal seam and safety producfion.

• 通过对煤系地层沉积环境进行分析,可以了解煤层的赋存状态及其变化规律,对煤层的开采和安全生产具有指导意义。