本站简介
Grasberg's open pit sat above 4,000 m in permanent alpine conditions on the equator. Since the pit closed the whole operation has moved underground into block caves, one of the biggest such transitions ever attempted.
品位。 Unusually high grade for a porphyry, with gold credits large enough to shift the economics on their own.
"品位"是指有用成分在矿石中所占的百分比。一座品位为0.5%的铜矿，每产出一吨铜就需丢弃199吨废石。这一个数字，决定了一个矿体究竟是可开采的矿山，还是仅具地质意义的有趣岩石。
产出内容
Copper
The reddish metal that carries electricity better than anything except silver, and which humans have been smelting…
Gold
The metal that does not tarnish, does not corrode and never runs out once mined — which is why almost all of it ever…
Silver
The best electrical conductor there is, and the metal that has been used as money for longer than almost anything…
"副产品"是指因与主矿种赋存于同一岩体而被回收的金属，并非专门勘探的目标。因此，其供应量受主矿种经济性驱动，而非自身供需关系。
所有权归属
| 企业 | 角色 | 关注度 |
|---|---|---|
| Freeport-McMoRan | Miner | Operator |
数据均为运营商公开披露。大型矿山的所有权时有变动；在引用前请以最新公司申报文件核实。