He also knows that big mining companies prefer mountains of low-grade ore to small, high-grade mines like his.

而且他也知道那些个大型矿产公司更喜欢那些低地势的矿山，而不是他那又小又高的。

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The Longdongwan polymetallic ore deposit geostructure is in middle the Kunlun Mountains Qinling folded region Qinling system of fold Li xian-Zashui Haixi geosyncline belt of folded strata.

龙洞湾多金属矿床大地构造处于昆仑秦岭褶皱区秦岭褶皱系礼县-柞水-海西地槽褶皱带中部。

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The Huanggang-Ganzhuermiao ore belt of east Inner Mongolia is tin-polymetallic ore belt in Southern Da Hinggan Mountains.

内蒙古东部的黄岗-甘珠尔庙矿带是地处大兴安岭南段的锡乡金属矿带。

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In the eighteen forties, iron ore was discovered in the Marquette Mountains in the Upper Peninsula of Michigan.

VOA: special.2009.11.11

There are mountains of iron ore and copper covering parking lots and spilling over into the streets.

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Thus all those mountains of copper oxide out there (and there are many, quite literally, mountains of copper oxide) became copper ore instead of dirt.

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Newmont attributed the lower production to the processing of lower grade ore from stockpiles as it prepared for a new phase of mining at the vast open pit in the mountains of Sumbawa.

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