这座钻石矿完全是偶然发现的。
这座钻石矿完全是偶然发现的。
在珠瓦纳钻石矿的女矿工。
这里有钻石矿和金矿；土壤也十分肥沃。
There are diamond and gold mines, and the soil itself is very fertile.
世界所有大型钻石矿藏地基本都已探明。
All the world's big deposits are thought to have been discovered already.
金刚石矿被叛军控制了。
乌达奇纳亚钻石矿洞是俄罗斯钻石矿的储藏地。
大理岩型红宝石矿床是红蓝宝石矿床的重要类型。
Ruby deposits in marbles are the most important source of ruby.
认为本矿床应届沉积——改造类型的天青石矿床。
Therefore, the author considers the deposit to be a sedimentary-transform type of celestine.
在最近的15年里，并没有主要的钻石矿床被发现。
So far, no major diamond deposit has been discovered within the recent 15-year period.
榴辉岩型金红石矿床是我国原生金红石矿床的最重要类型。
The eclogite-type rutile deposit is the most important primary rutile deposit in China.
目的探讨萤石矿矽肺职工的死亡原因，为矽肺治疗提供依据。
Objective To investigate the cause of death of the silicotic patients of fluorite mine.
重晶石矿石中有机质碳含量较低，具有原生残留有机质的明显特征。
The content of organic matter in barite is small, but it is primary.
重晶石矿石中有机质碳含量较低，具有原生残留有机质的明显特征。
The content of organic matter in barite is small, but it is primary.
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