Mineral Reserve
Combined Main and Northwest Deposits as at December 31, 2010 – includes gold and overall cut-off grade of 0.28% total copper
| |
Leach Ore |
Mixed Float |
Sulphide |
| Class
| Ore (Mt) |
TCu (%) |
AsCu (%) |
Au (g/t) |
Ore (Mt) |
TCu (%) |
AsCu (%) |
Au (g/t) |
Ore (Mt) |
TCu (%) |
Au (g/t) |
| Total Proved |
20.42 |
2.02 |
1.42 |
0.19 |
17.83 |
0.97 |
0.19 |
0.33 |
27.84 |
0.73 |
0.12 |
| Total Probable |
45.32 |
1.99 |
1.41 |
0.21 |
50.40 |
1.10 |
0.23 |
0.19 |
118.80 |
0.82 |
0.10 |
| Total Reserve |
65.74 |
2.00 |
1.41 |
0.20 |
68.23 |
1.07 |
0.22 |
0.23 |
146.641 |
0.80 |
0.11 |
The final pit designs utilized to identify the Mineral Reserve as at December 31, 2010, have been developed by independent consulting Mining Engineer, Anthony Cameron of A&J Cameron and Associates based in Perth Australia. Anthony Cameron is a qualified person under 43-101 and holds the following valid qualifications: BE (Mining), Grad Dip Bus, M Comm. Law and is a fellow of the AusIMM.
Mineral Resource
Combined Main and Northwest Deposits as at December 31, 2010
Cut-off Grade
TCu (%) |
Tonnage (Mt) |
TCu (%) |
AsCu (%) |
Au (g/t) |
| Measured Resource |
| 0.3 |
74.4 |
1.16 |
0.51 |
0.17 |
| 0.5 |
50.2 |
1.53 |
0.73 |
0.21 |
| Indicated Resource |
| 0.3 |
282.1 |
1.08 |
0.41 |
0.12 |
| 0.5 |
167.1 |
1.54 |
0.63 |
0.17 |
| Total Measured/Indicated |
| 0.3 |
356.5 |
1.10 |
0.44 |
0.13 |
| 0.5 |
217.3 |
1.54 |
0.66 |
0.18 |
| Inferred Resource |
| 0.3 |
161.4 |
0.75 |
0.20 |
0.04 |
| 0.5 |
77.6 |
1.15 |
0.34 |
0.06 |
This Mineral Resource as at December 31, 2010 has been prepared and verified by independent geologist Gayle Hanssen of the consulting group DMS based in Harare Zimbabwe. Gayle Hanssen is a qualified person under 43-101 and holds the following valid qualifications: BSc (Hons) Natal – Pr.Sci.Nat and is a member of SACNASP.