德比尔斯最大的钻矿已经停产。
DeBeers has suspended production at one of its biggest diamond mines.
一个非洲农民听说过很多关于其他农民们因为发现钻矿而一夜暴富的故事。
An African farmer had heard tales about other farmers who had made millions of dollars by discovering diamond mines.
但是Petra认为该钻矿仍可继续开采20年，并计划每年至少开采1百万克拉。
But Petra reckons the mine still has another 20 years of production in it and plans to extract at least 1m carats a year.
罗素·赫尔曼·康威尔博士说我们每个人正身处于自己的钻矿之上，这是他的真心话。
When Doctor Russell H. Conwell talked about each of us being right on his or her own acres of diamonds, he surely knew what he was talking about.
不必说，第一个农民为了搜寻钻矿而卖掉的农场结果却是整个非洲大陆上最多产的钻矿。
Needless to say, the farm the first farmer had sold, so that he could search for a diamond mine, turned out to be the most productive diamond mine on the entire African continent.
德比尔斯公司因为欧盟反垄断协议中禁止囤货，于是关闭了一些钻矿以应对原石供应过剩。
But DE Beers, which is prohibited under its European Union antitrust agreement from stockpiling, closed mines in response to the glut in rough stones.
我们有理由来庆祝这个瞩目的成就，我们马兰吉钻矿的钻石得到了金伯利进程认证体系的认可。
We have cause to celebrate this remarkable achievement that has seen our diamonds from Marange being certified by the Kimberley Process Certification Scheme.
库里南钻矿曾出产过世界上最大的宝石原石-巨大的3,106克拉的“库里南钻”-其中一部分成为英格兰王冠的装饰。
The Cullinan mine has also produced what is still the largest rough gem in the world-the whopping 3, 106-carat Cullinan diamond-parts of which adorn England's Crown Jewels.
库里南钻矿曾出产过世界上最大的宝石原石-巨大的3,106克拉的“库里南钻”-其中一部分成为英格兰王冠的装饰。
The Cullinan mine has also produced what is still the largest rough gem in the world-the whopping 3,106-carat Cullinan diamond-parts of which adorn England's Crown Jewels.
“钻石之路，”奥尔图斯基写道，“从钻矿到其最终客户，可以横跨几个大洲，让无数的人牵涉其中，毁灭一些又拯救另一些。”
"The path of a diamond," Oltuski writes, "from the mine to its eventual customer, can span continents and involve countless people, destroying some of them and saving others."
据英国《每日邮报》报道，伦敦钻石公司Gem Diamonds在南非小王国莱索托的钻矿，新发现一粒196克拉的白钻原石(见图)。
A 196-carat rough white stone (see photo) was found by Gem Diamonds at the company's mine in Lesotho, a small kingdom in South Africa, the Daily Mail of London reported.
那个之前钻好用来放置探针进行交流的通道现在可以被用来往矿下递送食物，清洁的水和药物，但是如何将他们带上地面仍是一个问题。
The shaft drilled for the probe that made contact can be used to send them food, clean water and medicine. But rescue workers still have to decide how to bring back them to the surface.
搜救人员希望四名矿工可以到达建在矿中的救生室，但营救他们仍需往下打钻1000多尺。
Rescuers hope that the miners may have found their way to rescue Chambers built into the mine, but reaching them requires drilling down 1,000 feet.
搜救人员希望四名矿工可以到达建在矿中的救生室，但营救他们仍需往下打钻1000多尺。
Rescuers hope that the miners may have found their way to rescue chambers built into the mine, but reaching them requires drilling down 1, 000 feet.
对那些深埋的矿物，就用地球物理勘探法来获取资料，如常用的地震勘探技术和钻取岩心法。这些技术对于找矿是最有用的。
For the buried minerals geophysical techniques are used to get information. For example, seismic technique and core drilling are often used. These techniques are the most important in prospecting.
本文用合成样品对氧化矿还原焙烧过程中铁钻化合物物相变化进行了考察。
Synthetic samples were prepared and studied to simulate the phase changes of iron—cobalt compounds in the reduction roasting—ammoniacal leaching processing of oxidized ore.
前言：利用构造控矿原理，采用坑钻相结合的方式，探明新增地质储量，延长矿山服务年限。
Using the principle of "ore deposit is controlled by structure" and through combining of trench with hole, the new geological reserves of ore are detected that prolongs the service life of mine.
莱特森矿是历史上产量最高的钻石矿之一。目前全球20颗最大的原钻中有四颗产自这里，其中有三颗发现于本世纪。
Letseng is one of the most productive mines in history — four of the world's 20 largest rough diamonds have been found at the mine, including the three largest found this century.
单动双层岩芯管钻具结构简单、操作方便、同轴度好、适用寿命长，能有效地提高岩、矿芯的完整度。
The swivel-tube barrel can effectively increase core recovery rato. suitable for drilling in formations in which oblique hole comes easy. It is effective to assure hole quality.
单动双层岩芯管钻具结构简单、操作方便、同轴度好、适用寿命长，能有效地提高岩、矿芯的完整度。
The swivel-tube barrel can effectively increase core recovery rato. suitable for drilling in formations in which oblique hole comes easy. It is effective to assure hole quality.
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