Yinkeng area is an ore concentration area of gold, silver, copper, lead zinc, manganese in east Jiangxi.

江西于都银坑地区是赣南东部的金银铜铅锌锰等矿集区。

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The Huangshaping lead-zinc ore deposit is located in the South Hunan ore concentration area of the Nanling polymetallic metallogenic belt.

黄沙坪铅锌多金属矿位于南岭多金属成矿带湘南矿集区。

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Smash operation plays an important role in metallic ore concentration plant and it consumes maximum power, especially grinding operation was even more evident.

粉碎作业在金属矿选矿厂占有重要位置，是耗电最大的作业，尤其磨矿作业更为突出。

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The Hajigak deposit contains an estimated 1.8 billion tonnes of iron ore, with an iron concentration of 64%, the mines ministry said in a statement.

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The concentration of terbium is probably lower than it is in the ore that we get it from in the first place.

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