Show printable version of 'Production Statistics' in a New Window

Production Statistics

Three Months Ended September 30 Nine Months Ended September 30
20131 2012 20131 2012
Ore tonnes mined 19,551 24,237 65,206 64,905
Ore tonnes processed 20,520 24,573 66,297 68,033
Mill throughput (tonnes per day) 321 270 271 249
Grade of ore processed:
Silver (grams per tonne) 717 691 705 761
Lead 8.6% 8.9% 7.7% 9.6%
Zinc 4.1% 4.5% 3.8% 5.0%
Recoveries:
Silver 96% 94% 94% 93%
Lead in lead concentrate 95% 93% 92% 90%
Zinc in zinc concentrate 60% 51% 61% 54%
Concentrate production:
Lead concentrate:
Tonnes produced 2,674 3,152 7,796 9,482
Concentrate grade:
Silver (grams per tonne) 5,134 4,957 5,458 4,914
Lead 62% 64% 60% 63%
Zinc concentrate:
Tonnes produced 1,108 1,189 3,450 4,133
Concentrate grade:
Silver (grams per tonne) 308 326 360 429
Zinc 46% 47% 45% 45%
Production — contained metal:
Silver (ounces) 452,392 514,879 1,408,164 1,555,136
Lead in lead con (pounds) 3,665,305 4,471,580 10,324,978 13,063,304
Zinc in zinc con (pounds) 1,112,594 1,227,269 3,443,855 4,083,612
1 The three and nine months ended September 30, 2013 represent shortened operational periods encompassing 64 and 245 days respectively.