向河道方向，煤层分叉变薄，灰分高，向碎屑岩过渡。
Near the distributary channel, coal layer divarication and pinch-out, with high ash content, and transition to clastic rock.
戊9 - 10煤层分叉合并线附近为煤与瓦斯突出带，其他煤层分叉合并线附近可能形成煤与瓦斯突出危险带。
The neighborhood of branching mergence line of Wu 9-10 coal bed is the belt of gas outburst and the counterparts of other coal beds may be the dangerous belts of gas outburst.
煤层厚度变化较大，总的规律是东厚西薄，局部分叉尖灭。
Generally it is thicker in the east-ern part, than in the western part and local offset and thin out.
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