Silverco Mining Ltd. filed its NI 43-101 Technical Report supporting the Preliminary Economic Assessment for the Cusi Project in Chihuahua, Mexico. The PEA outlines a low-capital restart of the past-producing silver-lead-zinc-gold mine, supported by existing infrastructure, updated resources, and plans for renewed underground operations.
Questcorp Mining and Riverside Resources completed an expanded drone aeromagnetic survey at the La Union Project in Sonora, adding 248 line-km of coverage to refine drill targets ahead of a fully funded summer drill program. The survey improved imaging of concealed structures potentially linked to mineralization, with IP geophysics and drill mobilization expected soon.
Oroco Resource Corp. reported additional strong drill results from its Santo Tomás copper project in Sinaloa, including intersections of 228 m grading 0.49% CuEq and 212 m grading 0.44% CuEq. The results continue to confirm broad, near-surface copper-molybdenum-gold mineralization in the South Zone and support expansion of the resource ahead of updated studies and ongoing Phase 2 drilling.
Almaden Minerals and Almadex Minerals provided an update on their CPTPP arbitration claim against Mexico over the loss of the Ixtaca Project. The companies filed their Reply to Mexico’s Counter-Memorial and increased their damages claim to US$2.68 billion, citing the permit denial, concession suspension, and cancellation of mineral rights. Mexico’s Rejoinder is due in August 2026, with hearings scheduled for December 2026.
Silver Storm Mining reported new drill results from the C550 Zone at its La Parrilla Silver Mine Complex in Durango, demonstrating strong resource expansion potential. Results extended mineralization along strike and at depth, supporting future resource growth. The company also expanded its 2026 drill program by 9,000 metres as it advances toward a potential restart of operations at La Parrilla.
Heliostar Metals published its inaugural 2025 Sustainability Report, highlighting major advances in environmental stewardship, local employment, community investment, and responsible mining practices. Key highlights included over 90% water reuse, US$1.1 million in community investments, 17,468 native trees planted, and US$10.6 million paid in taxes and royalties. The report also emphasized Heliostar’s strong local impact, with 99% of employees and 97% of procurement spending based in Mexico.
Vizsla Silver strengthened its technical team by appointing Guillermo Hernandez as VP Exploration and promoting Jesus Velador to Chief Geologist. The leadership changes support the company’s transition from exploration to mine development at Panuco, while maintaining a strong focus on district-scale resource growth and future discoveries.
Riverside Resources and Questcorp Mining completed an expanded aeromagnetic drone survey at the La Union Project in Sonora, adding 248 km of high-resolution coverage to refine drill targets ahead of the fully permitted 2026 drill program. The survey improved imaging of concealed structures associated with potential CRD and Carlin-style mineralization, while drill road and pad construction is now underway
GR Silver Mining announced a Celebration of Life for founder, former CEO, and director Márcio Fonseca, who passed away suddenly on March 25, 2026. The event will be held May 28 in Vancouver. The company also launched a charitable giving fund in his honor to continue his legacy of generosity within the mining community.
Torex Gold appointed Dan Rollins as Chief Financial Officer, effective June 17, 2026, as part of its planned executive succession. Rollins, currently Senior Vice President of Corporate Development and Investor Relations, will replace Andrew Snowden, who is set to become President and CEO. The company stated the appointment supports leadership continuity as Torex focuses on growth, free cash flow generation, and shareholder returns.
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