陕西寒武系钒矿采矿遇到的问题及对策
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摘要
陕西寒武系钒金矿带西起宁陕,东到商南,东西断续长达200 km以上,该带上有大小钒矿山三十多家,已成为我省重要的钒生产基地,钒矿都是以层状的形式产在震旦系灯影组低部与寒武系水沟口组接触带(断层接触)靠水沟口组一侧的炭质泥质硅质黑色岩系里,矿体及上下盘围岩均不稳定,给采矿带来了很大困难,采用进路矿体底板支护的方式,保障了井下工作人员的安全,也提高了回采率。
Shanxi Cambrian Ning-Shan vanadium mine with the west,the east side to the Shang Na,intermittent things more than 200 kilometers,the wear is the size of vanadium mine more than 30,has become an important production base of vanadium in our province,vanadium ore is based on layered images produced in the sinian system in the form of lower part and the Cambrian ditch mouth group contact zone( fault contact) depend on one side of the ditch of the department of black carbonaceous shale siliceous rock,orebody and the footwall of surrounding rock are not stable,and brought great difficulty to mining,USES the approach of the ore body bottom supporting way,guarantee the safety of mine workers,also can improve the recovery rate.
Shanxi Cambrian Ning-Shan vanadium mine with the west,the east side to the Shang Na,intermittent things more than 200 kilometers,the wear is the size of vanadium mine more than 30,has become an important production base of vanadium in our province,vanadium ore is based on layered images produced in the sinian system in the form of lower part and the Cambrian ditch mouth group contact zone( fault contact) depend on one side of the ditch of the department of black carbonaceous shale siliceous rock,orebody and the footwall of surrounding rock are not stable,and brought great difficulty to mining,USES the approach of the ore body bottom supporting way,guarantee the safety of mine workers,also can improve the recovery rate.
引文
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