The campaign began on July 16, 2020, and ran for 12 days to July 27 with first gold poured on July 23.
Ore processed from the first milling campaign totalled 26,340 tonnes at a fully reconciled feed grade of 1.32 g/t gold and this was in line with expectations for the upper oxide ore zones near surface in the Regal East pit.
Horizon managing director Jon Price said: “It is extremely pleasing to see the first mine to mill reconciliation coming in within expectations for the upper oxide areas of the ore body.
“This completes a very successful first phase of activity with mining rates well ahead of schedule, mined grades increasing and completing our first gold sales into this very high Australian gold price environment.”
Mill performance exceeded expectations with excellent throughput rates averaging 95 tonnes per hour, gravity recoveries at 40%, reagent consumption within expectations and an overall calculated gold recovery of 93.8%
The mined grade is expected to increase with depth as mining advances into the larger, more consistent ore zones, with the next milling campaign comprising higher grade ore parcels from the Regal East and Regal West pits scheduled to commence in late August.
Gold produced from the campaign totalled 1,050 fine ounces with all gold sold at an average price of A$2,791 per ounce, generating revenue of A$2.93 million.
Monthly milling campaigns are scheduled through to January 2021 to treat 159,000 tonnes of ore with a forecast mined grade of 1.86 g/t for 8,700 ounces recovered generating $7 million cash at current gold prices.
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