Tabel: Newmont: Batu HIjau reserves
Friday, February 24 2012 - 04:50 AM WIB
Attributable Proven, Probable, and Combined Gold Reserves
| Deposits/Districts | Newmont Share | December 31, 2011 | December 31, 2010 | |||||||||||
| Proven Reserves | Probable Reserves | Proven + Probable Reserves | ? | Proven + Probable Reserve | ||||||||||
| Tonnage (000 tons) | Grade? (Cu%) | Gold? (000 ozs) | Tonnage (000 tons) | Grade? (Cu%) | Gold (000 ozs) | Tonnage (000 tons) | Grade? (Cu%) | Gold (000 ozs) ? | Metallurgical Recovery | Tonnage (000 tons) | Grade (Cu%) | Gold (000 ozs) ? | ||
| Batu Hijau Open Pit(2) | 48.50% | 127,600 | 0.017 | 2,110 | 196,100 | 0.005 | 1,040 | 323,700 | 0.010 | 3,150 | 75% | 293,400 | 0.011 | 3,110 |
|
Batu Hijau Stockpiles(1) |
48.50% | 0 | ? | 0 | 156,900 | 0.003 | 490 | 156,900 | 0.003 | 490 | 70% | 170,700 | 0.004 | 610 |
| Total Batu Hijau | 48.50% | 127,600 | 0.017 | 2,110 | 353,000 | 0.004 | 1,530 | 480,600 | 0.008 | 3,640 | 75% | 464,200 | 0.008 | 3,720 |
| (1)Stockpiles are comprised primarily of material that has been set aside to allow processing of higher grade material in the mills. Stockpiles increase or decrease depending on current mine plans. Stockpile reserves are reported separately where tonnage or contained ounces are greater than 5% of the total site-reported reserves and contained ounces are greater than 100,000.
(2) Percentage reflects Newmont?s economic interest at December 31, 2011. |
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Attributable Gold Mineralized Material Not in Reserves
| Deposits/Districts | Newmont Share | December 31, 2011 | |||||||
| Measured Material | Indicated Material | Measured + Indicated Material | Inferred Material | ||||||
| Tonnage (000 tons) | Grade? (Cu%) | Tonnage (000 tons) | Grade? (Cu%) | Tonnage (000 tons) | Grade (Cu%) | Tonnage (000 tons) | Grade (Cu%) | ||
| Batu Hijau (1) | 48.50% | 3,400 | 0.018 | 157,400 | 0.007 | 160,800 | 0.008 | 37,300 | 0.002 |
| (1) Percentage reflects Newmont's economic interest at December 31, 2011. | |||||||||
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Attributable Copper Reserves
| Deposits/Districts | Newmont Share | December 31, 2011 | December 31, 2010 | |||||||||||
| Proven Reserves | Probable Reserves | Proven + Probable Reserves | ? | Proven + Probable Reserve | ||||||||||
| Tonnage (000 tons) | Grade (Cu%) | Copper (million pounds)? | Tonnage (000 tons) | Grade (Cu%) | Copper (million pounds)? | Tonnage (000 tons) | Grade (Cu%) | Copper (million pounds)? | Metallurgical Recovery | Tonnage (000 tons) | Grade (Cu%) | Copper (million pounds)? | ||
|
Batu Hijau(1) |
48.50% | 127,600 | 0.51% | 1,300 | 196,100 | 0.35% | 1,370 | 323,700 | 0.41% | 2,670 | 76% | 293,400 | 0.44% | 2,560 |
| Batu Hijau, Stockpiles(2) | 48.50% | 0 | ? | 0 | 156,900 | 0.34% | 1,060 | 156,900 | 0.34% | 1,060 | 66% | 170,700 | 0.35% | 1,200 |
| Batu Hijau | 48.50% | 127,600 | 0.51% | 1300 | 353,000 | 0.34% | 2,430 | 480,600 | 0.39% | 3,730 | 73% | 464,100 | 0.40% | 3,760 |
| (1) Project is under development.
(2) Percentage reflects Newmont's economic interest at December 31, 2011. |
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Attributable Copper Mineralized Material Not in Reserves
| Deposits/Districts | Newmont Share | December 31, 2011 | ? | ||||||
| Measured Material | Indicated Material | Measured + Indicated Material | Inferred Material | ||||||
| Tonnage (000 tons) | Grade (Cu%) | Tonnage (000 tons) | Grade (Cu%) | Tonnage (000 tons) | Grade (Cu%) | Tonnage (000 tons) | Grade (Cu%) | ||
|
Batu Hijau (1) ? |
48.50% | 3,400 | 0.36% | 157,400 | 0.33% | 160,900 | 0.33% | 37,300 | 0.25% |
| (1) Percentage reflects Newmont's economic interest at December 31, 2011. | |||||||||
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Attributable Proven, Probable, and Combined Silver Reserves(1)
| Deposits/Districts | Newmont Share | December 31, 2011 | |||||||||
| Proven Reserves | Probable Reserves | Proven and Probable Reserves | Metallurgical Recovery | ||||||||
| Tonnage (000 tons) | Grade (Cu%) | Silver(000 ozs) | Tonnage (000 tons) | Grade (Cu%) | Silver(000 ozs) | Tonnage (000 tons) | Grade (Cu%) | Silver(000 ozs) | ? | ||
| Batu Hijau Open Pit(2) | 48.50% | 127,600 | 0.047 | 5,940 | 196,100 | 0.005 | 4,470 | 323,700 | 0.032 | 10,410 | 78% |
|
Batu Hijau Stockpiles(1)
? |
48.50% | 0 | ? | 0 | 156,900 | 0.015 | 2,430 | 156,900 | 0.015 | 2,430 | 72% |
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Total Batu Hijau, Indonesia ? |
48.50% | 127,600 | 0.047 | 5,940 | 353,000 | 0.020 | 6,900 | 480,600 | 0.027 | 12,840 | 76% |
| (1) In-process material is the material on leach pads at the end of each year from which gold remains to be recovered. In-process material reserves are reported separately where tonnage or contained ounces are greater than 5% of the total site-reported reserves and contained ounces are greater than 100,000.
(2) Percentage reflects Newmont?s economic interest at December 31, 2011.
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Attributable Silver Mineralized Material Not in Reserves
| Deposits/Districts | Newmont Share | December 31, 2011 | ? | ||||||
| Measured Material | Indicated Material | Measured + Indicated Material | Inferred Material | ||||||
| Tonnage (000 tons) | Grade (Cu%) | Tonnage (000 tons) | Grade (Cu%) | Tonnage (000 tons) | Grade (Cu%) | Tonnage (000 tons) | Grade (Cu%) | ||
|
Batu Hijau (1) ? |
48.50% | 3,400 | 0.039 | 157,400 | 0.026 | 160,800 | 0.026 | 37,300 |
0.015 |
| (1) Percentage reflects Newmont's economic interest at December 31, 2011. | |||||||||