EV Resources has delineated two structurally controlled mineral corridors at its Nevada projects, defining a clear path to drill targets amid growing US antimony supply concerns.
- 1.1km continuous gold-antimony corridor at Milton
- Two distinct mineralised systems at Dollar project
- New copper-oxide breccia target discovered
- Plans underway for rock-chip sampling and geophysics
- Supports EVR’s US antimony supply strategy
Milton Project Reveals Strong Gold-Antimony Pathway
EV Resources Limited (ASX:EVR) has unveiled a tightly constrained, 1,100-metre-long mineral corridor at its Milton Project in Nevada, marking a significant step in its US antimony exploration campaign. Maiden soil geochemistry has traced a structurally controlled gold-antimony system that aligns perfectly with north-south jasperoid trends identified through geological mapping. This corridor boasts a clean multi-element signature typical of Carlin-style or epithermal hydrothermal systems, with thallium emerging as a potent vectoring element alongside gold and antimony.
Notably, sample M-162 flagged a high-grade node with mercury levels roughly 30 times the median and elevated copper, suggesting a potential subsurface trap or blowout zone ripe for further rock-chip sampling. The jasperoid replacement bodies, formed through hydrothermal silicification along deep-seated structures, reinforce the prospect’s structural control and exploration priority.
Dollar Project Splits into Zoned Antimony and Polymetallic Systems
At the nearby Dollar Project, EVR’s soil sampling has delineated two spatially distinct mineralised systems, interpreted as a telescoped hydrothermal zonation. The northern Dollar Mine Node hosts a high-grade gold-arsenic-antimony system, with soil peaks hitting 0.415 ppm gold and 2,080 ppm antimony, remarkably high concentrations for surface samples. In contrast, the Resurrection Node, about 200 metres to the south, exhibits a polymetallic silver-lead-zinc assemblage, with silver reaching 17.05 ppm and zinc up to 2,680 ppm.
This spatial separation, supported by a strong correlation between antimony and gold but weak silver-gold association, suggests two independent geochemical systems sharing a common fluid pathway. The interpretation of a 200-300 metre strike zonation offers a compelling hydrothermal model that will guide EVR’s next exploration steps.
Copper-Oxide Breccia Target Adds New Dimension
Next Steps: From Soil Anomalies to Drill Targets
With these high-confidence soil geochemical corridors established, EVR is gearing up for targeted follow-up work. Immediate plans include detailed rock-chip sampling across jasperoid ridges at Milton and the copper breccias at Dollar. Concurrently, the company is evaluating geophysical survey options, such as induced polarization and resistivity, to image subsurface fluid conduits and sulphide accumulations, particularly along the Milton corridor.
The integration of new geochemical data with forthcoming geophysics and historical records aims to crystallise a prioritized maiden diamond and reverse circulation drilling campaign. This methodical approach aligns with EVR’s strategic ambition to shore up domestic US antimony supplies amid tightening global critical mineral supply chains.
Strategic Positioning Amid Western Supply Chain Pressures
EVR’s Managing Director Mike Brown emphasised the significance of these findings: “Elevated antimony across both projects is highly meaningful in the current US domestic antimony deficit. Securing supply in stable jurisdictions like Nevada is paramount for Western markets.” The company’s dual-track strategy balances near-term production ambitions in Mexico with a growing US antimony footprint, a theme increasingly urgent given geopolitical and supply chain vulnerabilities.
While these soil geochemistry results provide a robust technical foundation, it is important to note that no drilling has yet been conducted to confirm mineral resources. The planned geophysical surveys and rock-chip sampling will be critical in refining drill targets and validating the economic potential of these anomalies.
Bottom Line?
EV Resources’ Nevada soil geochemistry has delivered compelling antimony and gold targets, setting the stage for a maiden drilling campaign that could bolster US critical mineral supply.
Questions in the middle?
- Will follow-up geophysics at Milton reveal deeper mineralised structures amenable to drilling?
- Can the copper-oxide breccia at Dollar evolve into a significant copper discovery alongside antimony?
- How will EVR’s US projects integrate with its Mexican production pipeline amid shifting critical minerals demand?