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GOLDPRODUCTION UPDATEPROJECT ECONOMICS

La Colorada Mine Production Update: $243M NPV, 168.4% IRR

ByMining Stocks Research
Jun 14, 2026
Source:Heliostar Metals Ltd.
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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.

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La Colorada Mine Production Update: $243M NPV, 168.4% IRR | Mining Stocks News