FORTUNA MINING CORP. (FSM) Form 6-K — Oct 13, 2026
Fortuna Mining reported strong exploration drilling results at its Diamba Sud Gold Project in Senegal, headlined by 7.8 g/t gold over 12.8 meters at Southern Arc and 3.9 g/t gold over 40.8 meters at DSR1149, with mineralization remaining open at depth and along strike beyond current pit designs. Since February 2026 the company completed 196 holes totaling 36,592 meters at Southern Arc and 53 holes totaling 8,787 meters at Kassasoko, with an updated Mineral Resource and Reserve estimate planned for year-end reporting.
Key figures
- Wide intercept
- 3.9 g/t Au over 40.8 meters estimated true width (DSR1149)
- Feasibility npv
- US$1 billion NPV5% at US$3,500/oz gold, 60% after-tax IRR
- Bambadji program
- $8 million, 51,000-meter exploration program for balance of 2026 with six drill rigs
- Kassasoko drilling
- 53 RC/DD holes totaling 8,787 meters
- Southern arc highlight
- 7.8 g/t Au over 12.8 meters estimated true width (DSR1128)
- Kabewest resource timing
- initial Inferred Resource expected in annual update Q1 2027
- Kabewest distance to plant
- 2.3 kilometers from proposed Diamba Sud plant site
- Diamba sud probable reserves
- 20.5 Mt at 1.75 g/t Au containing 1.15 million ounces gold
- Southern arc drilling since feb 2026
- 196 RC/DD holes totaling 36,592 meters
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