煤矿开采对明水泉的影响浅析

Effect Analysis of Mingshui Spring to Coal Mining

明水泉群为我国北方罕见的岩溶大泉,具有典型的雨源型特征。大气降水和雨洪水下渗后,向明水一带汇集,受西部文祖断层阻挡而富集,受上覆煤系地层阻隔而承压,在特定的构造条件下,沿断层破碎带或人工钻孔涌出地表,便形成明水泉群。煤系地层是明水泉群形成和存在的基本地质条件之一。煤矿开采吸引大量岩溶泉水,而且破坏原生的地质结构,影响明水泉群的正常出流,危及明水泉群的存在。针对煤矿开采对明水泉群的影响,建议实施相应保泉措施。

Mingshui spring groups are rare karstic springs in north part, which has typical rain source type characteristics. Atmospheric water and flood deep-seeped and collected in Mingshui area, concentrated by the block of Wenzu fault in west, and water pressurized by the block of overlying coal formation. Under typical geological condition, water inburst into surface along fractural belt and hand-used drillings, thus Mingshui groups are formed. Coal formation strata is one of the basic geological condition for occurrence and form of Mingshui spring group. Coal-mining will not only absorp lots of karstic spring water, but also destroy primary structure, which effect normal outflow and occurrence of Mingshui spring group. Pointing to effect of coal-mining, related countermeasures should be carried out to protect springs.