Nova’s RPM Valley Drilling Reveals Highest-Ever Gold Intercept, Resource Remains Open and Growing
Record 0.5m @ 364 g/t Au Sets New High Mark for Estelle Project
Nova Minerals has delivered its most significant gold intercept to date at the RPM Valley zone within the Estelle Project, confirming the continuity of a mineralized system that remains wide open for further exploration. The standout result—0.5 meters grading 364 grams per tonne (g/t) gold—underscores the project's growing scale and the presence of discrete high-grade zones within broader intervals of continuous mineralization.
Infill Drilling Supports Resource Upgrade and Pre-Feasibility Study
The 2025 infill drill campaign at RPM Valley continues to return broad intersections with robust grades, raising confidence in the potential for an updated Mineral Resource Estimate (MRE). Significant holes not only hit intervals exceeding 1 g/t Au but also reinforce the zone's geological continuity and mineralization thickness—key factors supporting ongoing Pre-Feasibility Study (PFS) efforts.
| Hole ID | From (m) | Interval (m) | Au (g/t) | Highlight |
|---|---|---|---|---|
| RPM-081 | 100.8 | 0.5 | 364.00 | Highest-grade intercept (visible gold) |
| RPM-069 | 71 | 155 | 0.90 | 18 m @ 2.8 g/t Au included |
| RPM-072 | 352 | 172 | 0.80 | Multiple high-grade lenses |
| RPM-075 | 82 | 152 | 0.90 | 25 m @ 1.9 g/t Au included |
| RPM-082 | 62 | 289 | 0.70 | Broadest continuous mineralization |
Drilling confirms RPM Valley hosts both wide, consistent mineralization zones and isolated ultra-high-grade gold, supporting the thesis of a large, open deposit system. The intrusive mineralized body remains unconstrained to the south, southeast, and at depth, leaving significant upside for resource expansion in future campaigns.
Glacial Till Drilling Indicates Bulk-Mineable, Heap Leach Potential
Maiden reverse circulation (RC) drilling into the glacial till revealed a 33-meter intercept grading 0.3 g/t Au near surface (hole RPMRC-009). Though sample recovery was impacted by unconsolidated ground, the thickness and breadth of mineralized till—over 1.7 km in strike—reinforce the potential for shallow, bulk-mineable oxide material. Early metallurgical studies have suggested gold recoveries up to 68.7% via heap leaching, highlighting an attractive processing option for this material.
| RC Hole ID | From (m) | Interval (m) | Au (g/t) |
|---|---|---|---|
| RPMRC_009 | 0 | 33 | 0.30 |
| RPMRC_010 | 0 | 7 | 0.40 |
| RPMRC_002 | 5 | 11 | 0.30 |
Project Remains Open with Multiple Growth Catalysts Ahead
The strong results from the 2025 program offer a clear path to value accretion: an upcoming resource update, the integration of new geological data, and ongoing PFS-level studies in metallurgy, mining, and optimization. The RPM Valley deposit's open boundaries and consistent mineralization also lay the groundwork for future resource growth.
Nova’s strategy now focuses on finalizing the pre-feasibility work, improving sampling methods for the glacial till, and exploring further along the 1.7-km mineralized strike and at depth. With surface exploration, optimized processing studies, and potential heap leach amenability all in the pipeline, investors and industry watchers have several near-term milestones to monitor.
Key Takeaway: Resource Upgrade Likely as System Remains Open and High-Grade Zones Emerge
RPM Valley’s latest drill campaign not only yields the Estelle Project’s highest-ever gold grade but also demonstrates the continuity and growth potential of the system. As Nova integrates these results into an updated resource model and advances toward development, the Estelle Project’s standing as a major Alaskan gold asset looks only set to strengthen.
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