They struck a rich seam of iron ore.

他们开出一个富铁矿层。

《牛津词典》

They had been using a relatively new technology called X-ray spectroscopy, and they were using this to examine an ore sample.

他们使用了一种相对较新的 X 光技术来检测矿石样品。

youdao

youdao

Last week Rio Tinto, the world's second-largest iron ore exporter, reported a 49 percent gain in fourth-quarter output.

VOA: standard.2010.01.21

China's imports of iron ore in 2009 rose by more than 40 percent, a buying spree economists say was driven in part by efforts to stockpile supplies while global prices are low.

VOA: standard.2010.01.21

What about the Bre-X scandal of 1997--when promises of a mountain of gold in Borneo turned out to be a few ore samples salted with gold dust?

FORBES: Gold Rush

Progress continues on a supplemental ore feed system, with the project is on track for completion by year-end and 130, 000-ton-per-day throughput expected by the end of the first quarter of 2012.

FORBES: Goldcorp CEO Sees Higher 4Q Gold Output; Company Soon To Be Major Silver Producer

Rio Tinto's answer is a plan to move ore from mines to ports on a fleet of driverless trucks and trains, starting in 2010.

ECONOMIST: The global reach of China's boom