bonanza,ore shoot 矿床中有用矿物或有用组分含量特别高的地段,例如,铁矿床中,矿石品位在55%以上的地段。富矿体在工业上具有重要意义,如铁的富矿,不需要选矿加工,就可直接用来炼铁,或直接炼钢(平炉富矿)。矿山工作者也有把富矿体称之为“闹堂”。
对极破碎薄矿体的开采,采用了将常规的留矿法中分选废石改为分选富矿石留贫矿石的采矿方法。
In mining the extremely fractured thin ore body, the separation of waste rock in the conventional shrinkage stoping was replaced by the separation of the rich ore and retaining the lean ore.
但具工业意义的矿体产出受东西向和北东东向构造控制,北东东向构造为富矿的主导控矿构造。
Industrial ore bodies are controlled by WE - and NEE-faults. The NEE fault is main leading controlling structure.
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