Domestic Metals Expands Exploration Efforts at Smart Creek Project in US

Why It Matters

The upcoming drill program could unlock a multi‑metal porphyry system, positioning Smart Creek as a significant U.S. copper‑gold‑silver resource and enhancing Domestic Metals’ valuation. Partnering with Rio Tinto and securing marketing support further de‑risk the project for investors.

Key Takeaways

• Diamond drilling starts April 2026 at Smart Creek.
• Assays show up to 102 g/t gold and 13.8% copper.
• Porphyry, epithermal, carbonate-replacement mineralisation identified.
• Rio Tinto holds 40% JV stake, boosting project credibility.
• New porphyry dykes east of Sunrise Mine targeted for drilling.

Pulse Analysis

The United States is intensifying its search for domestic copper sources as the clean‑energy transition drives demand for electric‑vehicle batteries and renewable‑grid infrastructure. In this climate, Domestic Metals’ Smart Creek Project in western Montana offers a rare opportunity to develop a large‑scale, multi‑metal porphyry system within a well‑served logistics corridor. By expanding its exploration budget and moving to diamond drilling, the company signals confidence that the project can contribute to the nation’s strategic mineral supply chain while delivering shareholder value. The project's proximity to Missoula and Philipsburg ensures year‑round road access, further lowering operational costs.

The latest surface assays underscore the project's high‑grade potential, with a standout 102 g/t gold sample and another delivering 13.8 % copper alongside 3,810 g/t silver. Such concentrations are rare in early‑stage porphyry systems and suggest a robust core of mineralisation that extends into epithermal and carbonate‑replacement zones. Exploration has already mapped porphyry dykes one kilometre east of the historic Sunrise Mine, pointing to a previously unrecognized upper section of the system. Targeting these dykes in the upcoming drill campaign could quickly delineate a sizeable resource envelope.

Strategic partnerships amplify Smart Creek’s upside. Rio Tinto’s 40 % joint‑venture stake brings technical expertise, global market access, and a credibility boost that can attract downstream off‑take agreements. Complementing this, Domestic Metals’ new marketing arrangement with Machai Capital, effective February 2026, provides a dedicated channel for raising capital and promoting the project to institutional investors. Together, these alliances reduce financing risk, accelerate development timelines, and position Smart Creek as a potential cornerstone asset in the burgeoning North American copper‑gold sector.