| Proven and Probable Reserves – San Dimas |
Metric |
grade (grams per tonne) |
Total Contained ounces |
| (as at December 31, 2010) |
Tonnes |
silver |
gold |
silver |
gold |
| Tayoltita |
517,955 |
293 |
3.07 |
4,871,424 |
51,197 |
| El Cristo |
10,120 |
206 |
3.67 |
67,129 |
1,194 |
| Tayoltita (Alto Arana) |
20,140 |
286 |
2.27 |
185,051 |
1,467 |
| Santa Rita |
496,262 |
297 |
2.09 |
4,740,356 |
33,352 |
| Block Central |
2,617,961 |
369 |
6.01 |
31,019,910 |
505,834 |
| San Vicente |
39,932 |
218 |
4.60 |
279,935 |
5,902 |
| Sinaloa Graben |
50,784 |
484 |
5.43 |
789,492 |
8,865 |
| Total Proven and Probable Reserves |
3,753,153 |
348 |
5.04 |
41,953,296 |
607,812 |
| |
|
|
|
|
|
| Probable Reserves by Diamond Drilling |
|
|
|
|
|
| Tayoltita |
767,125 |
285 |
2.83 |
7,020,137 |
69,854 |
| El Cristo |
103,737 |
268 |
3.98 |
894,383 |
13,282 |
| Tayoltita (Alto Arana) |
32,934 |
207 |
3.95 |
218,691 |
4,179 |
| Santa Rita |
359,126 |
325 |
2.84 |
3,752,276 |
32,817 |
| Block Central |
703,461 |
295 |
5.35 |
6,665,473 |
120,954 |
| San Vicente |
3,304 |
208 |
2.50 |
22,093 |
266 |
| Sinaloa Graben |
158,213 |
459 |
7.26 |
2,335,956 |
36,928 |
| Total Probable Reserves by Diamond Drilling |
2,127,899 |
306 |
4.07 |
20,909,010 |
278,278 |
| |
|
|
|
|
|
| GRAND TOTAL Proven and Probable Reserves |
5,881,052 |
332 |
4.69 |
62,862,306 |
886,090 |
Notes to Reserve Statement
- Reserves were estimated by Primero and audited by Watts, Griffis and McOuat Limited as of December 31, 2010.
- Cut-off grade based on total operating cost for Tayoltita, Santa Rita and Block Central (US$99.84/t).
- All reserves are diluted, a mining recovery factor has not been applied, but WGM estimates that the mining recovery will be approximately 90%.
- The tonnage factor is 2.7 tonnes per cubic metre.
- Cut-off values are calculated at a silver price of US$15.00 per troy ounce and US$950 per troy ounce for gold.
- Rounding of figures may alter the sum of individual column.
- Exchange rate, pesos/US$ is 13.00 pesos/U$1.00.
|
Inferred Mineral Resources - San Dimas (exclusive of Reserves) |
Metric |
grade (grams per tonne) |
Total Contained ounces |
| (as at December 31, 2010) |
Tonnes |
silver |
gold |
silver |
gold |
| San Dimas |
16,852,000 |
330 |
3.67 |
178,795,000 |
1,988,000 |
Notes to Resource Statement
- Resources were estimated by Primero and audited by Watts, Griffis and McOuat Limited as of December 31, 2010.
- Cut-off values are calculated at a silver price of US$17.00 per troy ounce and US$1,100 per troy ounce for gold.
- Rounding of figures may alter the sum of individual column.
- Exchange rate, pesos/US$ is 13.00 pesos/U$1.00.
|
Click to open pdf of Reserves and Resources summary 