| Rio Tinto plc - First Quarter 2001 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%) |
1,710 | 2.6 | 94,000 | n/a | n/a |
|
Cortez/Pipeline § US (40%) |
744 | 9.43 | 118,000 | n/a | n/a |
|
Greens Creek Alaska (70%) |
147 | 7.23 | 16,000 | n/a | n/a |
|
Peak ¶ Australia (100%) |
148 | 4.55 | 20,000 | n/a | n/a |
|
Rawhide § US (51%) |
1,362 | 0.93 | 13,000 | n/a | n/a |
|
Alumbrera Argentina (25%) |
7,041 | 0.8 | 34,000 | n/a | n/a |
|
Morro do Ouro § Brazil (51%) |
3,938 | 0.47 | 24,000 | n/a | n/a |
|
Lihir § PNG (16.3%) |
962 | 6.64 | 30,000 | n/a | n/a |
|
Barneys Canyon US (100%) |
380 | 2.64 | 37,000 | n/a | n/a |
| Copper-Gold Mines: | |||||
|
Bingham Canyon § US (100%) |
14,408 | 0.46 | 151,000 | n/a | n/a |
|
Grasberg FXC ¶ § Indonesia (14.3%) |
20,665 | 1.68 | 108,000 | n/a | n/a |
|
Grasberg JV Indonesia (40%) |
** | ** | 222,000 | n/a | n/a |
|
Escondida § Chile (30%) |
11,128 | n/a | 7,000 | n/a | n/a |
|
Northparks Australia (80%) |
1315 | 0.29 | 7,000 | n/a | n/a |
| Attributable total | . | . | 896,000* | . | . |
¶ Underground
§ Open pit * Includes 14,000 oz from other sources
** Included in Grasberg FXC.
(Source: GFMS)