Q2-2017 Puna Operations-Production Results Puna Operations, Argentina 1
| | | Q2 2017 | Q1 2017 | % Change 3 |
| Ore milled | kt | 446 | 449 | (0.7%) |
| Silver mill feed grade | g/t | 185 | 145 | 27.6% |
| Silver recovery | % | 73.5% | 72.6% | 1.2% |
| Silver produced | koz | 1,947 | 1,520 | 28.1% |
| Silver produced (attributable) 2 | koz | 1,777 | 1,520 | n/a |
| Silver sold | koz | 1,655 | 1,443 | 14.7% |
| Silver sold (attributable) 2 | koz | 1,473 | 1,443 | n/a |
| Notes : |
| 1. | Figures are on 100% basis unless otherwise noted. |
| 2. | Figures for the second quarter of 2017 represent 100% for April and May 2017 and 75% for June 2017. |
| 3. | Percent changes are calculated using rounded numbers presented in the table. |
The operation produced a total of 1.9 million ounces of silver from processing of stockpiles, a 28% increase compared to the first quarter of 2017. Silver sales were 1.7 million ounces for the quarter.
Ore was milled at an average rate of 4,903 tonnes per day in the second quarter, 23% above the mill's nominal throughput of 4,000 tonnes per day. Ore milled in the second quarter of 2017 contained an average silver grade of 185 g/t, 28% higher than the 145 g/t reported in the first quarter of 2017 due to better than expected grades in the stockpiles. The average silver recovery in the second quarter was 73.5%, higher than the 72.6% recovery in the previous quarter, in line with the higher silver mill feed grade.
Silver Standard finalized its joint venture to combine the Pirquitas mine with the Chinchillas project on May 31, 2017. The joint venture, named Puna Operations Inc., is comprised of Silver Standard's Pirquitas property and Golden Arrow Resources' Chinchillas property and is owned on a 75%/25% basis by each company, respectively. We are the joint venture operator. As a result of the joint venture, our attributable share of production in the second quarter was 1.8 million ounces of silver and attributable sales were 1.5 million ounces.
Read more at https://www.stockhouse.com/news/press-releases/2017/07/12/silver-standard-reports-second-quarter-2017-production-results#SSxM2P8tkReX12wA.99