Magnum Mining and Exploration has verified exceptionally high-grade gold assays up to 178 g/t Au at its Red Breccia target within the Parker Project, Arizona, reinforcing it as a priority drill target alongside Eagle Nest and NSW Detachment. The company is progressing drill permitting with first-pass drilling planned upon approval.
- Final overlimit re-assays confirm up to 178 g/t gold and 18.3% copper at Red Breccia
- Surface geochemical program defines ~5km mineralised gold-copper corridor across Parker Project
- Drill permitting underway with first-pass drilling planned at Eagle Nest and Red Breccia
- Historical mining records support potential for significant gold-copper mineralisation
- Project located within prolific Walker Lane trend hosting multi-million ounce deposits
Final Overlimit Re-Assays Confirm High-Grade Gold at Red Breccia
Magnum Mining and Exploration Limited (ASX:MGU) has received final overlimit re-assay results for two rock-chip samples from its Red Breccia target at the Parker Project in Arizona, USA. The assays returned 178 g/t gold (Au) and 142 g/t Au, confirming previously reported capped values above 100 g/t Au and establishing Red Breccia as an exceptional high-grade gold target. Notably, the sample with 178 g/t Au also contains 18.3% copper (Cu), underscoring the potential for significant gold-copper mineralisation at the site.
These results build on earlier surface geochemical findings that identified multiple high-grade gold and copper occurrences across the Parker Project, including at Eagle Nest and NSW Detachment targets. The combined mineralised corridor extends approximately 5 kilometres, with mineralisation spatially aligned with mapped structural features, reinforcing the coherence and scale of the system.
Geological Setting and Historical Context of the Parker Project
The Parker Project is situated in La Paz County, western Arizona, within the Walker Lane gold-copper trend, a prolific mineralised corridor hosting deposits with up to 50 million ounces of gold, 700 million ounces of silver, and 4 million tonnes of copper. The project area covers 6.58 square kilometres and includes the Eagle Nest, Red Breccia, and NSW Detachment targets.
Historical mining activity at Eagle Nest dates back to the early 20th century, with documented underground development and shipments of copper-gold ore during World War I and the early 1940s. Mining ceased primarily due to labour shortages rather than depletion of mineralisation, suggesting potential for undiscovered resources at depth. The mineralisation styles include structurally controlled copper-gold veins at Eagle Nest, an IOCG-style haematite-rich breccia corridor at Red Breccia, and structurally hosted gold mineralisation at NSW Detachment.
Advancing Drill Permitting and Targeting
Magnum is actively progressing drill permitting with the Bureau of Land Management (BLM) and finalising drill hole designs, collar locations, and access planning for Eagle Nest and Red Breccia. The company intends to commence first-pass drilling at Eagle Nest, including Red Breccia, subject to regulatory approvals. Integration of geochemical and structural datasets is ongoing to optimise drill targeting.
This update follows Magnum’s recent announcement detailing multiple high-grade gold and copper assays from the 2026 surface geochemical program, which collected 457 soil and 131 rock-chip samples across the project area. The systematic sampling and mapping have materially advanced target definition and support the potential for a new gold-copper discovery within the Walker Lane trend. These developments are consistent with the company’s earlier disclosures on the project’s mineralised trends and exploration progress, as detailed in the recent surface geochemical program results.
Technical and Reporting Standards
The assays were conducted by ALS USA Inc., an independent ISO/IEC 17025 accredited laboratory, using appropriate overlimit re-assay methods to ensure accuracy of high-grade gold values. Sampling and assay protocols have been reviewed by a Competent Person in accordance with the Australasian Code for Reporting Exploration Results, Mineral Resources and Ore Reserves (JORC Code 2012 edition). No drilling results are reported at this stage; all results pertain to surface samples.
Bottom Line?
Magnum’s confirmation of exceptional high-grade gold and copper assays at Parker strengthens the case for imminent drilling, though actual resource potential remains to be demonstrated through forthcoming drill results and permitting progress.
Questions in the middle?
- How will the upcoming drill results at Eagle Nest and Red Breccia refine the understanding of subsurface mineralisation continuity?
- What is the expected timeline for receiving drill permits from the Bureau of Land Management, and how might this affect project advancement?
- How might the Parker Project’s mineralisation compare in scale and grade to other deposits within the Walker Lane trend once drilling is completed?