Glencore, whose finances have been buoyed by rising commodity prices, gets back a low-cost, long-lived mine that it probably values at something over $4 billion.

曾通过提高商品价格来获得资金支持的嘉能可，现在也把目光转向到了那些价值可能稍稍超过40亿美元的低成本，使用期长的矿产上来。

youdao

As the lofty spirit of mine now rising high.

应该就像现在我的豪气那样高升入云。

youdao

These add to the costs of gold mine production, resulting in rising gold prices.

这导致黄金开采成本的增加，最终导致黄金价格的上升。

youdao

Mine supply for silver is rising faster than for other metals, helped by an increase of by-product from gold-mining operations plus a number of major primary projects in recent years.

FORBES: Thomson Reuters GFMS' Newman: Silver May Move Toward $50 Yet In 2011

Exploration work at a former tin mine in Cornwall may stop because of rising costs concerns, investors say.

BBC: South Crofty tin mine exploration 'could stop'

However, in 2013, Freeport will be gaining access to higher grades of its mine and output is expected to start rising again, the CEO explained.

FORBES: Freeport Copper, Gold Output Falls In 3Q But Expected To Rise Again As Indonesian Production Picks Up