Bulk Tonnage Metallurgical Tests Return Significantly Higher Silver Head Grade of 91 g Ag/t Compared with the 31 g Ag/t Average Grade from the Original Twinned Holes in the Polymetallic Domain at Iska Iska, Potosi Department, Southwestern Bolivia
Metallurgical tests from a 6.3 tonne PQ drill core bulk sample representative of the higher grade Polymetallic Domain returned a significantly higher average silver value of 91 g Ag/t compared to the...