Trevali Discovers High-grade Zone at Santander
During the third quarter of 2016, the Santander mill processed 216,551 mt of ore at averages head grades of 4.61% zinc, 1.08% lead and 1.26 oz/mt silver. Payable production of metal in concentrate totaled 16.6 million lb of zinc, 4.1 million lb of lead and 192,431 oz of silver. The mill readily operated at its steadystate 2,000-mt/d nameplate capacity, with daily production commonly exceeding this by approximately 15% to 20%. Cash costs were approximately $36.33/mt milled.
Santanderís 2016 production guidance remains at 57 million to 60 million lb of payable zinc in concentrate grading approximately 50% zinc; 20 million to 23 million lb of payable lead in concentrate grading 52% to 55% lead; and 800,000 to 1 million oz of payable silver.