One day not long after, Ed Schieffelin finally did discover valuable silver ore in the area.

VOA: special.2010.02.15

It's magical.It's sorcery to take an ore and convert it to metal. It's magic. It still amazes me today.

非常神奇，采取矿石并将其转变为,金属非常神奇，我现在仍然很吃惊。

麻省理工公开课 - 固态化学导论课程节选

You bring iron ore from one part of the planet, carbon, limestone, you put it into this reactor and you ship this all over the world.

你得到钢铁从地球的一个地方，还有碳，石灰岩，将它们放入这个反应器,你将它运送到世界各地。

麻省理工公开课 - 固态化学导论课程节选

Iron ore, the main raw material of steel, changed the lakes area and the nation.

VOA: special.2009.11.11

It had tremendous riches in ore.

它矿产资源丰富

耶鲁公开课 - 美国内战与重建课程节选

As the nation's need for steel grew, bigger ships were built to carry iron ore.

VOA: special.2009.11.11

Iron ore production in the three months hit 32.45 million metric tons, up from 29.4 million tons a year earlier.

VOA: standard.2010.01.21

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

Industrial analysts say iron ore prices could rise because of increasing demand as the global economy recovers.

VOA: standard.2010.01.21

Guinea is the world's largest producer of aluminum ore but is one of its poorest countries.

VOA: standard.2009.08.25

"We've seen good levels of output, and given that, for the bulk commodities in particular that's the iron ore and coal both steaming and coking those prices are looking strong.

VOA: standard.2010.01.21

The company's output of iron ore, as well as copper, zinc and nickel, surged in the last three months of 2009 because of strong demand from Chinese carmakers and construction companies.

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