The materials from e-waste include iron, copper, gold, silver and aluminum.

电子垃圾中的材料包括铁、铜、金、银和铝。

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Olympic Dam, in South Australia, has the world’s biggest uranium deposit, as well as copper, gold and silver.

澳大利亚南部的奥林匹克坝矿其铀储量居全世界第一，同时它也拥有丰富的铜、金和银资源。

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The Sierrita Mine at image lower right (also owned by Freeport-McMoRan Copper &Gold) produces copper, molybdenum, and the rare metal rhenium.

图片右下部的谢里塔矿（也属自由港麦克莫兰铜金公司）出产铜、钼和稀有金属铼。

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Leadville had gold, silver and copper mines.

VOA: special.2010.03.08

The bronze medals are largely copper because burnished bronze and gold are similar in color, and the mint did not want any confusion as to which medal an athlete receives.

VOA: standard.2010.02.16

The rise outpaces 0.3% gains in gold and copper, and platinum was higher earlier in the day even when gold and copper were in negative territory.

FORBES: Platinum Outperforming Other Metals, Lifted By South African Supply Concerns

It is the largest producer of copper, gold and molybdenum in the world, satisfying 9% of the global demand for copper.

FORBES: Freeport McMoran Mines Major Cash Lode

Soros also cut stakes in miners such as Nova Gold and Kinross Gold while opening a small position in Freeport McMoran, which has exposure to both copper and gold. (Note: All valuations used here represent May 17 closing prices unless noted).

FORBES: Gold, Banks On The Agenda For Billionaires Soros, Paulson In Q1