Sierra Madre Gold and Silver Ltd. received approval from Mexico’s antitrust agency, COFECE, for its acquisition of the Del Toro silver mine from First Majestic Silver Corp.. The fully permitted Zacatecas mine includes a 3,000 tpd plant and extensive underground infrastructure. Sierra Madre plans to restart Del Toro in 2027, targeting production by mid-2028.
Mexican courts ruled that Capstone Copper owes unpaid 2% NSR royalties on parts of the Cozamin mine to Minera Portree dating back to 2019. Claims could exceed US$50 million including arrears, interest, and future royalties. Capstone’s appeal (“amparo”) remains pending, with a final federal decision expected in coming months.
VVC Exploration said the Ontario Securities Commission rejected its request for a Management Cease Trade Order. Unless overdue filings are completed by June 1, 2026, trading may be suspended. Delays relate to valuation work tied to CYRB. The company also corrected earlier statements regarding CYRB management changes and continues evaluating financing alternatives.
Americas Gold and Silver Corp. announced an agreement with Sprott Mining Inc. to terminate its remaining silver delivery obligations under the Galena silver stream. The company will issue 7.96 million common shares to Sprott at US$5.57 per share, eliminating more than US$45 million in future obligations, improving cash flow flexibility, and strengthening the balance sheet while increasing Eric Sprott’s equity ownership.
GR Silver Mining provided a corporate update on its Plomosas Project in Sinaloa, Mexico. The company confirmed its 20,000-metre drill program at San Marcial is progressing, targeting resource growth and updated estimates in 2026. GR Silver also highlighted advancement toward bulk sample test mining and pilot plant activities while maintaining a strong treasury and debt-free position.
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.
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