Northwire Canada EditionTuesday, July 28, 2026
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Technical Study

Fortuna Mining files ESIA for Diamba Sud

By The Northwire Desk — AI Analysis Oct 07, 2025 · 13:15 FVI · 12.53 Fortuna Mining Corp.
FVI · Price

Executive Summary

  • Fortuna Mining filed the Environmental and Social Impact Assessment (ESIA) for the Diamba Sud gold project with Senegal’s regulatory authority, a key permitting milestone toward a construction decision in H1 2026.
  • The company confirmed that its Preliminary Economic Assessment (PEA) is on schedule for completion in Q4 2025, followed by a Definitive Feasibility Study in early 2026.
  • Drilling to date in 2025 totals 52,110 m, expanding measured‑and‑indicated resources by 53 % and inferred resources by 93 %; drilling will resume in October after the rainy season.

Key Details

  • ESIA Submission: Filed with the Direction de la Réglementation Environnementale et du Contrôle (DiREC), covering project description, baseline studies, public consultation, impact assessment, and mitigation/monitoring plans; aligns with national law, Equator Principles, and IFC Performance Standards.
  • PEA Status: Engineering, metallurgical test work, and trade‑off studies underway; completion targeted for Q4 2025. A Definitive Feasibility Study will follow in H1 2026, incorporating ESIA outcomes.
  • Drilling Activity 2025: 52,110 m drilled YTD, resulting in:
  • Measured & Indicated resource increase of +53 %.
  • Inferred resource increase of +93 %.
  • Maiden inferred resource at Southern Arc: 3.85 Mt @ 1.57 g/t Au, containing 194,000 oz Au (open at depth and along strike).
  • Future Drilling Plan: Restart in October with four rigs after rainy season; continue through year‑end to test extensions of open mineralization and explore the Bondala property.
  • Regulatory & Stakeholder Engagement: Ongoing community consultations, stakeholder engagement plan, capacity‑building initiatives, livelihood restoration program, mine closure plan, and voluntary ESG investment program.
  • Qualified Person: Eric Chapman, SVP Technical Services (NI 43‑101 Qualified Person), reviewed and approved all technical information.

Notable Quotes

“The filing of the ESIA represents a key step forward in advancing Diamba Sud towards development… We plan to complete the project's preliminary economic assessment during the fourth quarter and move to a definitive feasibility study and construction decision during the first half of 2026.” – Jorge A. Ganoza, President & CEO, Fortuna Mining Corp.

Read the original news release →

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Jul 13, 2026 · 17:00

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