Pershing Gold was able to improve the expected gold recoveries. While the PEA was based on gold recoveries of 80%, the PFS expects that the recoveries should be around 83%. Also, the estimated average annual production was improved. The number grew from 88,500 toz gold to 93,900 toz gold, or by 6.1%. As a result, the estimated AISC declined slightly, from 804$/toz to 802$/toz.
Pershing Gold: 1 Step Closer To Production
https://seekingalpha.com/article/4079763-pers...production
$PGLC