| Rio Tinto plc - First Quarter 2002 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%) |
1,716 | 2.62 | 103,000 | n/a | n/a |
|
Cortez/Pipeline § US (40%) |
825 | 8.29 | 111,000 | n/a | n/a |
|
Greens Creek Alaska (70%) |
160 | 6.51 | 17,000 | n/a | n/a |
|
Peak ¶ Australia (100%) |
157 | 5.81 | 27,000 | n/a | n/a |
|
Rawhide § US (51%) |
1,407 | 1.03 | 12,000 | n/a | n/a |
|
Alumbrera Argentina (25%) |
7,145 | 1.1 | 51,000 | n/a | n/a |
|
Morro do Ouro § Brazil (51%) |
4,692 | 0.48 | 28,000 | n/a | n/a |
|
Lihir § PNG (16.3%) |
905 | 5.5 | 24,000 | n/a | n/a |
|
Barneys Canyon US (100%) |
102 | 1.17 | 27,000 | n/a | n/a |
| Copper-Gold Mines: | |||||
|
Bingham Canyon § US (100%) |
9,999 | 0.57 | 125,000 | n/a | n/a |
|
Grasberg FXC ¶ § Indonesia (14.3%) |
21,979 | 0.73 | 52,000 | n/a | n/a |
|
Grasberg JV Indonesia (40%) |
** | ** | 86,000 | n/a | n/a |
|
Escondida § Chile (30%) |
10,452 | n/a | 8,000 | n/a | n/a |
|
Northparks Australia (80%) |
1,397 | 0.34 | 9,000 | n/a | n/a |
| Others | . | . | 8,000 | n/a | n/a |
| Attributable total | . | . | 686,000 | n/a | n/a |
¶ Underground §
Open pit
*100% basis
** Included in Grasberg
FXC
(Source: GFMS)