| Rio Tinto plc - 1999 Mine-by-Mine Operating Results |
| Mine | Ore treated ('000 t) | Grade (g/t) | Gold production (oz) | Cash cost (US$/oz) | Total cost (US$/oz) |
|
Gold Mines: |
|||||
|
Kelian § Indonesia (90%) |
7,673 |
2.3 |
440,000 |
n/a |
n/a |
|
Cortez/Pipeline § US (40%) |
3,835 |
11.2 |
1,329,000 |
n/a |
n/a |
|
Peak ¶ Australia (100%) |
598 |
7.6 |
127,000 |
n/a |
n/a |
|
Rawhide §, US (51%) |
6,129 |
0.9 |
113,000 |
n/a |
n/a |
|
Morro do Ouro § Brazil (51%) |
17,475 |
0.5 |
189,000 |
n/a |
n/a |
|
Lihir §, PNG (16.3%) |
2,911 |
7.0 |
625,00 |
n/a |
n/a |
|
Barneys Canyon US (100%) |
2,331 |
2.4 |
112,000 |
n/a |
n/a |
|
Copper-Gold Mines: |
|||||
|
Bingham Canyon § US (100%) |
56,595 |
0.3 |
367,000 |
n/a |
n/a |
|
Grasberg ¶ § # Indonesia (12.6%) |
80,561 |
1.4 |
3,086,000 |
n/a |
n/a |
|
Escondida § Chile (30%) |
46,023 |
n/a |
150,000 |
n/a |
n/a |
|
Attributable total |
. | . |
2,987,000* |
n/a |
n/a |
¶
Underground § Open pit * Includes 194,0000 oz from other sources.
(Source: World
Gold)