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GOLDFEASIBILITY STUDYPROJECT ECONOMICS

Bayan Khundii Feasibility Study: $115M Capex Over a 6-Year Mine Life

ByMining Stocks Research
Jul 15, 2026
Source:Erdene Resource Development Corp.
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Erdene Resource Development Corp.'s Bayan Khundii in Mongolia, Khundii Minerals District, southwestern Mongolia has a Feasibility Study outlining initial capital of $115M. The mine plan runs 6 years at about 75000 oz Au/yr per year.

Erdene Resource Development Corp.'s Bayan Khundii has reported Feasibility Study results for the gold project in Mongolia, Khundii Minerals District, southwestern Mongolia. It reflects Erdene Resource Development Corp.'s (ERD.TO) latest disclosed economics for the asset.

Economics. Initial capital expenditure is estimated at $115M. Economics are based on US$1,800/oz Au (FS economic pit); US$1,850/oz Au (2023 Feasibility for open-pit).

Production and mine plan. The project envisions an open-pit operation. Life of mine is 6 years. Average annual production is approximately 75000 oz Au/yr. Average head grade is 3.8 g/t Au (average BK reserve grade). Metallurgical recovery averages 93%. The open-pit strip ratio is 11:1.

Resources and ownership. The company holds a 50% interest in the project. Royalties and streams: Erdene maintains a 5% net smelter royalty after 400,000 ounces of gold produced (50:50 JV with MMC on gold projects).

These figures are extracted from Erdene Resource Development Corp.'s technical disclosures and reflect the most recent Feasibility Study 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.

Reserves & Resources

Mineral Reserves (P&P)
CategoryTonnageGradeContained
Proven2.7 Mt4.1 g/t Au, 1.7 g/t Ag360.2 koz Au, 159.4 koz Ag
Probable1.1 Mt3.0 g/t Au, 1.7 g/t Ag104.7 koz Au, 61.1 koz Ag
Total3.8 Mt3.8 g/t Au, 1.7 g/t Ag464.9 koz Au, 220.5 koz Ag
View the source filing from
Erdene Resource Development Corp.
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