论文部分内容阅读
我国黑钨矿床多为高中温热液充填石英脉型矿床,脉幅几厘米到几十厘米、常用留矿法开采。我省采矿贫化率平均75.6%。在正式选矿之前将围岩尽可能剔除。
Most of the Chinese wolframite deposits are high-temperature hydrothermal quartz vein-type deposits, a few centimeters to tens of centimeters, the common mining method mining. Our province’s mining depletion rate averaged 75.6%. Wall rock should be removed as much as possible before the formal dressing.