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北河洛铁矿系大型地下矿山,可行性研究确定的矿山规模为年产250万 t 贫磁铁矿。矿区处于北洛河灰岩口子内侧,北洛河河床中,矿体埋藏较深且全部在地下水位以下,地表总汇水面积390km~2。矿床灰岩直接与厚大的第四系含水层接触,二者之间无很好的隔水层,故其水文地质条件复杂。影响矿床充水的因素有表流,第四纪潜流和灰岩含
The large-scale underground mine in the Luoyang Iron Mine Department of Beihe City has a proven mine size of 2.5 million tons of lean magnetite. The mining area is located inside the limestone mouth of the North Luohe River. In the Beiluohe riverbed, the ore bodies are buried deeper and all are below the groundwater table, and the total surface water catchment area is 390km ~ 2. The deposit of limestone directly contacts the thick quaternary aquifer, and there is no good aquifuge between the two, so the hydrogeological conditions are complex. Influencing factors of waterflooding in the deposit include surface flow, Quaternary underflow and limestone inclusions