Fortuna Mining Corp. - Form 6-K Filing

2026-07-13SEC Filing 6-K (0001104659-26-083056)

This filing is an update on the Diamba Sud Gold Project in Senegal, operated by Fortuna Mining Corp. (through its subsidiary Boya S.A.). The report details the project's exploration, drilling, and sampling activities, including extensive RC and diamond drilling campaigns. It covers geological assessments, metallurgical testwork, and preliminary economic analyses. The project is in the KΓ©dougou Region, with two main blocks, DS1 and DS2. Fortuna acquired Chesser Resources Ltd., which had previously conducted significant exploration. The report outlines mineral resource and reserve estimates, mining methods, processing and recovery strategies, and infrastructure development. It also addresses environmental studies, permitting, social impact, and capital/operating cost estimates. The economic analysis indicates potential, with sensitivity analyses performed on key variables like gold price and costs. Recommendations for future exploration and development are provided.

Ticker mentioned:FSM