Resource
The Mocoa deposit contains an Inferred mineral resource estimated at 636 million tonnes at a grade of 0.33% copper and 0.03% molybdenum 4.6Blbs copper and 511Mlbs molybdenum. The resource exhibits reasonable prospects for eventual economic extraction using open-pit mining methods. The table below shows the sensitivity of the resource, listed at a variety of cut-off grades for comparison purposes, contained inside a resource limiting pit shell that has been generated based on a copper price of $3/lb and a molybdenum price of $10/lb. The base case resource assumes a cut-off grade of 0.25% copper equivalent.
SENSITIVITY OF INFERRED MINERAL RESOURCE AT MOCOA
Cut-off | Mtonnes | CuEq (%) | Cu (%) | Mo (%) | Contained Metal | ||
---|---|---|---|---|---|---|---|
(CuEq%) | CuEq (Blbs) | Cu (Blbs) | Mo (Mlbs) | ||||
0.15 | 721 | 0.42 | 0.31 | 0.035 | 6.68 | 4.85 | 550 |
0.20 | 683 | 0.43 | 0.32 | 0.035 | 6.54 | 4.77 | 530 |
0.25 | 636 | 0.45 | 0.33 | 0.036 | 6.31 | 4.60 | 511 |
0.30 | 553 | 0.48 | 0.35 | 0.039 | 5.81 | 4.24 | 470 |
0.35 | 433 | 0.52 | 0.38 | 0.042 | 4.96 | 3.62 | 405 |
0.40 | 330 | 0.57 | 0.41 | 0.047 | 4.12 | 2.99 | 342 |
0.45 | 259 | 0.61 | 0.44 | 0.051 | 3.47 | 2.50 | 293 |
0.50 | 201 | 0.65 | 0.46 | 0.056 | 2.87 | 2.04 | 248 |
0.55 | 148 | 0.69 | 0.49 | 0.061 | 2.26 | 1.60 | 200 |
0.60 | 106 | 0.74 | 0.52 | 0.067 | 1.73 | 1.21 | 156 |