Nova Minerals announced Korbel flotation test-work produced high-grade concentrate up to 26.7 g/t Au with recoveries exceeding 95%.
Key Highlights:
- Bench rougher flotation on low-grade Korbel ore (0.39–0.42 g/t Au) produced concentrates 14.7–26.7 g/t Au with >95% gold recovery.
- Tests achieved a low mass pull of 2–3%, reducing volume to downstream processing by ~97–98% and concentrating gold.
- Applying coarse-particle flotation to the 425 Mt Korbel resource (0.3 g/t Au; 4.05 Moz) could reduce capital and operating costs and simplify flowsheet.
- Ongoing PFS/CIL optimization and further coarse flotation work aim to confirm recoveries, gangue rejection, and refine plant design and economics.
Original SEC Filing:
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