The application of a new system for developing an operating mine is a complex problem whose solution is expected to satisfy a number of conflicting requirements.

将一种新的采矿方法应用到已采矿山会有许多复杂的问题有待解决，因为相互矛盾的要求需要得到满意的解决。

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The mine began operating in 1990.

该铜矿于1990年开始运营。

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After the earthquake, the epicenter about 15 kilometers away from the mine, quickly operating more than 200 miners were underground to evacuate all without casualties.

地震发生后，这座距离震中大约15公里的煤矿，迅速将200余名井下作业矿工全部撤离，无人员伤亡。

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Tasiast is already an operating mine, but with Kinross looking for a significant expansion.

FORBES: Kinross: Tasiast-Expansion Commitment To Hit $1 Billion By Year-End; Production Set For 2014

The Ekati Diamond Mine, located in the Northwest Territories of Canada, consists of the Core Zone, which includes the current operating mine and other permitted kimberlite pipes, as well as the Buffer Zone, an adjacent area hosting kimberlite pipes having both development and exploration potential.

FORBES: Harry Winston to Purchase Ekati Diamond Mine For $500 Million

In January 2012 Minsur started operating a gold mine, Pucamarca, along the border between Peru and Chile.

FORBES: Mario Brescia Cafferata & family