山东省兰陵县王埝沟铁矿矿床充水因素分析及涌水量预测

Analysis On Deposit Water Filling Factors and Prediction of water inflow in Wangniangou Iron in Lanling County of Shandong Province

摘要:

王埝沟铁矿为大型沉积变质型（鞍山式）低品位铁矿，矿区水文地质条件中等。通过对区内地表水文地质调查、地质孔简易水文地质编录、分层抽水试验及井下坑道水文地质调查，查明了矿床的水文地质特征及充水来源；结合目前矿坑实际涌水量，采用 “大井法”与“比拟法”对不同标高矿坑正常涌水量和最大涌水量进行预测，为矿床深部的开采提供可靠依据，并在此基础上为矿床深部的开采提出合理的建议。

Abstract:

Wangniangou iron deposit is a large sedimentary metamorphic type (Anshan type) low grade iron deposit. Hydrogeological conditions in this area belongs to middle type. Through hydrogeology survey, simple hydrological catalog of geological drilling holes, layered pumping test and hydrogeological survey of underground tunnels, hydrogeological characteristics and water filling source have been found out. Combining with actual water inflow of pits，by using "big well method" and "analogy method", normal water inflow and largest water inflow at different elevation have been predicated. It can provide reliable basis for ore exploration in deep part.