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Resource statement
as at 31st December 2009
Please note that following the publication of the Resource Statement in the 2009 Annual Report, work on refining the Gope geological model was conducted by three independent experts. This has resulted in an updated resource statement on the Gope diamond deposit resource, which is now reflected in the Resource Statement below.
Group Reserves and Resources
| Ore (mT) | Grade (cts/100T) | Carats (m) | $/ct | In-situ Revenue ($mm) | |
|---|---|---|---|---|---|
| Probable Reserves | 77.0 | 1.99 | 1.53 | 1 338 | |
| Indicated Resources | 187.0 | 9.75 | 18.22 | 262 | |
| Inferred Resources | 352.9 | 3.79 | 13.37 | 479 | |
| Total | 539.8 | 5.85 | 31.59 | 354 | 11 169 |
Lesotho - Letšeng
| Ore (mT) | Grade (cts/100T) | Carats (m) | $/ct | In-situ Revenue ($mm) | |
|---|---|---|---|---|---|
| Probable Reserves | 68.7 | 1.59 | 1.09 | 1 753 | |
| Indicated Resources | 68.7 | 1.59 | 1.09 | 1 753 | |
| Inferred Resources | 153.9 | 1.70 | 2.62 | 1 761 | |
| Total | 222.6 | 1.67 | 3.71 | 1 759 | 6 520 |
CAR - Mambere
| Ore (mT) | Grade (cts/100T) | Carats (m) | $/ct | In-situ Revenue ($mm) | |
|---|---|---|---|---|---|
| Probable Reserves | - | - | - | - | |
| Indicated Resources | - | - | - | - | |
| Inferred Resources | 3.6 | 2.24 | 0.08 | 149 | |
| Total | 3.6 | 2.24 | 0.08 | 149 | 12 |
Indonesia - Cempaka
| Ore (mT) | Grade (cts/100T) | Carats (m) | $/ct | In-situ Revenue ($mm) | |
|---|---|---|---|---|---|
| Probable Reserves | - | - | - | - | |
| Indicated Resources | 17.9 | 2.10 | 0.38 | 198 | |
| Inferred Resources | 93.1 | 2.06 | 1.92 | 177 | |
| Total | 110.0 | 2.07 | 2.30 | 180 | 414 |
Botswana - Gope
| Ore (mT) | Grade (cts/100T) | Carats (m) | $/ct | In-situ Revenue ($mm) | |
|---|---|---|---|---|---|
| Probable Reserves | - | - | - | - | |
| Indicated Resources | 79.4 | 19.51 | 15.49 | 162 | |
| Inferred Resources | 28.8 | 17.52 | 5.04 | 162 | |
| Total | 108.2 | 18.98 | 20.53 | 162 | 3 329 |
Australia
| Ore (mT) | Grade (cts/100T) | Carats (m) | $/ct | In-situ Revenue ($mm) | |
|---|---|---|---|---|---|
| Ellendale | |||||
| Probable Reserves | 8.3 | 5.31 | 0.443 | 318 | |
| Indicated Resources | 20.1 | 6.14 | 1.24 | 231 | |
| Inferred Resources | 70.0 | 5.16 | 3.61 | 165 | |
| Total | 90.1 | 5.38 | 4.85 | 177 | 858 |
| Blina | |||||
| Probable Reserves | - | - | - | - | |
| Indicated Resources | 0.8 | 3.85 | 0.03 | 420 | |
| Inferred Resources | 3.6 | 2.68 | 0.10 | 245 | |
| Total | 4.4 | 2.90 | 0.13 | 289 | 37 |
Detailed resource and reserves statements are contained in the 2009 Annual report (PDF - 1.9MB)
© 2009 Gem Diamonds Limited