Through modification of operating condition, there are three classes of pure auriferous pyrite liberated from the head of mill.
通过适当地调节各种选别方法的操作条件，物料分三个级别分离提纯含金黄铁矿纯矿物。
According to the study in this paper, the pure auriferous pyrite can be prepared by means of gravity or magnetic or electric concentration.
本试验采用重选、磁选、电选三种方法制备含金黄铁矿纯矿物。
The gold metallogeny is characterized by auriferous pyrite and occurred in the alternating layer of heavy-layer metasandstone, flaggy metasandstone and graphitization schist.
金矿化以含金黄铁矿为特征，产出于盖县组变质砂岩段厚层状变质砂岩、薄层状变质砂岩和石墨化片岩的互层带中， 矿体产状与地层一致；
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