La Colorada Mine Production Update: $243M NPV, 168.4% IRR
Heliostar Metals Ltd.'s La Colorada Mine in Sonora, Mexico has a production guidance outlining an after-tax NPV of $243M, an after-tax IRR of 168.4%, and initial capital of $45M. The mine plan runs 6 years at about 50 koz Au per year.
Heliostar Metals Ltd.'s La Colorada Mine has reported production guidance results for the gold project in Sonora, Mexico. The study headlines an after-tax net present value of $243M at a 5% discount rate. It reflects Heliostar Metals Ltd.'s (HSTR.V) latest disclosed economics for the asset.
Economics. The after-tax NPV is $243M using a 5% discount rate. After-tax IRR is 168.4%. Initial capital expenditure is estimated at $45M.
Production and mine plan. The project envisions an open pit operation. Life of mine is 6 years. Average annual production is approximately 50 koz Au. Average head grade is 0.68 g/t gold.
Resources and ownership. Mineral reserves: 376k gold ounces (Probable: 17,117 kt @ 0.68 g/t Au, 9.2 g/t Ag). Mineral resources: M&I: 514 koz Au (20,213 kt @ 0.79 g/t Au, 10.4 g/t Ag); Inferred: 17 koz Au (1,144 kt @ 0.46 g/t Au, 35.1 g/t Ag). The company holds a 100% interest in the project. Royalties and streams: 0%.
These figures are extracted from Heliostar Metals Ltd.'s technical disclosures and reflect the most recent Production Update on file. Compare this project against other developers and producers in our project economics database, and always verify the numbers against the original technical report before making any investment decision.
Our Analysis
The 168.4% after-tax IRR is exceptional, ranking in the top decile of the 90 gold projects we track. This far exceeds the practical financing hurdle of ~15% (or 20%+ for a single-asset junior), but the 5% discount rate used to calculate the $243M NPV is a low-end reporting convention that flatters the headline figure—it is not a conservative assumption. The NPV is roughly in line with the company’s market cap, which cuts both ways: it suggests the market has not priced in a premium, but it also implies limited cushion for skepticism on financing or execution risk.
The $45M initial capex is capital-light at 19% of NPV, reducing funding risk, though the 6-year mine life is short. The study’s base case uses $2,300/oz gold, while today’s spot is $4,193.80/oz, making the base case appear conservative and the $3,500/oz upside case plausible. The single most important watch-item is jurisdiction risk: a high-return, short-life asset in a risky jurisdiction can see returns evaporate quickly if permitting or operational disruptions arise.
Our take, benchmarked against the project economics in the Mining Stocks database. Figures are estimates drawn from company technical reports — not investment advice; always verify against the source filing.