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一、区域地层岩性及含(隔)水性特征(1)第四系全新统风积沙(Q4eol):主要分布于煤田北部的孔兑沟,大路沟及西北部大、小乌兰不浪一带,煤田内各大冲沟岸边及地形偏低处也有零星分布。(2)第四系全新统冲洪积层(Q4al+pl):主要分布在煤田外东北部喇嘛湾及南部马栅一带的黄河岸边,厚约0m～25.00m,岩性为粉砂、中粗砂及亚粘土。煤田内
(1) Q4eol of the Quaternary Holocene: Kongjigou, Daluogou and northwestern part of the coal field, which are mainly distributed in the northern part of the coal field. In the area, there are sporadic distributions along major gullys in the coalfield and at low terrain. (2) Quaternary Holocene alluvial accumulation (Q4al + pl): It is mainly distributed in the Yellow River bank of Lama Bay in the northeast of the coalfield and the Mabu in the south, with a thickness of 0-25 m and a lithology of silt, Medium sand and clay. Inside the coalfield