甘肃省山丹县平坡煤矿矿区地质及煤层赋存特征

Characteristics of Geology and Coal Seam Occurrence in Pingpo Coal Mine,Shandan County,Gansu Province

山丹平坡煤矿为甘肃省主要炼焦配焦用煤产地,矿区基本构造形态为轴向北西至南东向不对称向斜,主要含煤地层为下二叠统太原组。太原组含煤1~15层,位于太原组中部的正五列为主要可采煤层组。正五列含可采煤层四层,总厚度具有中间厚、两边薄的分布特征,煤类为肥煤或焦煤,可作为主焦煤或配焦煤。

Shandan Pingpo Coal Mine is the main coal producing area for coking in Gansu Province.The basic structural form of the mining area is an asymmetric syncline from northwest to southeast,and the main coal bearing stratum is Taiyuan Formation of Lower Permian.Taiyuan Formation contains 1-15 coal layers,and the positive fifth row in the middle of Taiyuan Formation is the main minable coal seam group.The normal five rows contain four minable coal seams,and the total thickness has the distribution characteristics of thick in the middle and thin on both sides.The coal is fat coal or coking coal,which can be used as main coking coal or coking coal.