徐州煤田九里山矿区东翼山西组成煤环境及煤层赋存规律

THE COAL-FORMING ENVIRONMENT AND OCCURRENCE REGULARITIES OF SHANXI FORMATION AT THE EAST FLANK OF JIOULISHAN MINE AREA IN XUZHOU COALFIELD

    摘要
  • 摘要: 介绍了山西组主采煤层七煤和九煤的形成环境以及煤层厚度变化与其上下砂体厚度的反相关关系,并预测了各矿深部的煤层赋存情况。

     

    Abstract: It presented the coal-forming environment of main workable coal seam 7 and 9 of Shanxi Formation, discribed the relationship of thickhess variation of coal seams and their overlying and underlying sand bodies, and proguosetieated the occurrences of coal seams deep underground in each mine.

     

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