Sun Silver’s Antimony Discovery at Maverick Springs Highlights U.S. Supply Chain Risks
Sun Silver Limited’s latest re-assay results confirm near-surface antimony mineralisation at its Maverick Springs Project, reinforcing its potential as a critical minerals hub alongside silver and gold. This comes as JPMorgan’s landmark US$75 million investment in U.S. antimony projects signals growing strategic focus on domestic mineral security.
- Near-surface antimony zones confirmed within existing silver-gold resource footprint
- Multi-element re-assay program nearing completion, targeting historic drill samples
- Potential maiden antimony Mineral Resource estimate anticipated
- JPMorgan’s US$75 million investment in Perpetua Resources highlights U.S. critical minerals importance
- Maverick Springs hosts a JORC Inferred Resource of 218Mt grading 42.2g/t silver and 0.31g/t gold
Confirming Antimony’s Presence
Sun Silver Limited has announced compelling new assay results from its Maverick Springs Silver-Gold Project in Nevada, revealing near-surface antimony mineralisation within the existing resource footprint. The re-assay program, which revisited historic drill samples previously analysed only for silver and gold, has uncovered multiple antimony zones, including intercepts such as 4.57 metres at 0.16% antimony near surface. These findings add a new dimension to the project’s multi-commodity potential.
The company is advancing towards a maiden antimony Mineral Resource estimate, which would complement the already substantial silver and gold resources at Maverick Springs. This development aligns with a broader industry trend recognising antimony as a critical mineral, essential for defence, renewable energy, and industrial applications.
Strategic Context, U.S. Critical Minerals Investment
The announcement gains added significance against the backdrop of JPMorgan Chase’s recent US$75 million investment in Perpetua Resources, a U.S.-based critical minerals company. This investment, drawn from JPMorgan’s US$1.5 trillion Security and Resiliency Fund, underscores the rising strategic importance of securing domestic sources of critical minerals like antimony. Sun Silver’s Maverick Springs Project, located in Nevada; a top-ranked mining jurisdiction; stands to benefit from this heightened focus on supply chain resilience.
Sun Silver’s Managing Director, Andrew Dornan, highlighted the synergy between the company’s exploration progress and the broader market dynamics, noting that Maverick Springs is well positioned to attract investor interest amid increasing government and private sector support for critical minerals projects.
Robust Resource Base and Ongoing Exploration
The Maverick Springs Project hosts a JORC Inferred Mineral Resource of 218 million tonnes grading 42.2 grams per tonne silver and 0.31 grams per tonne gold, equating to approximately 296.5 million ounces of silver and 2.2 million ounces of gold. The deposit remains open along strike and at depth, with ongoing drilling and re-assay programs aimed at better defining the distribution of antimony within the broader silver-gold system.
The extensive re-assay campaign has involved over 75 historic drill holes, with results expected to continue flowing through the fourth quarter of 2025. The program employs advanced multi-element testing techniques to unlock the full value of the project’s mineralisation, including zones of higher-grade antimony exceeding 0.1% Sb.
Implications for Investors and the Sector
Sun Silver’s announcement not only advances the technical understanding of Maverick Springs but also positions the company within a rapidly evolving sector where critical minerals are gaining unprecedented strategic and financial attention. The linkage to JPMorgan’s investment in Perpetua Resources serves as a market signal that projects like Maverick Springs could attract increased capital and policy support as the U.S. seeks to reduce reliance on foreign mineral sources.
While the maiden antimony resource estimate is still pending, the current data strengthens the case for Maverick Springs as a multi-commodity asset with significant upside potential. Investors will be watching closely as further assay results and resource modelling unfold.
Bottom Line?
Sun Silver’s Maverick Springs is emerging as a critical minerals contender, with antimony assays and strategic market moves setting the stage for its next growth phase.
Questions in the middle?
- How will the maiden antimony Mineral Resource estimate impact Sun Silver’s valuation and project economics?
- What are the timelines and expected scale for potential mining or development activities at Maverick Springs?
- How might evolving U.S. government policies and funding for critical minerals influence Sun Silver’s project financing and partnerships?
