Category: Exploration and Development

Riverside Resources reported expanded porphyry copper-gold targets at its 100 %-owned Ariel Project in Sonora, Mexico, including high-grade rock samples (e.g., up to ~320 g/t Ag and 5.4 % Pb) and alteration signatures typical of major copper systems. Work has refined multiple priority zones and integrated mapping, geochemistry and geophysics, positioning Ariel as a drill-ready, district-scale target near the La Caridad copper belt.

Masivo Silver Corp. has started its Phase I diamond drilling at the Cerro Colorado Project in Sonora, Mexico, with about 8 holes totaling ~1,500–2,000 m to test high-priority silver-copper targets defined by geological work and historical data. This first drill phase aims to validate geological models and explore mineral continuity at depth.

Silverco Mining reported the final 2025 drill results from its 15,000 m program at the Cusi Property in Chihuahua, Mexico, showing high-grade silver-equivalent intercepts (e.g., 370 g/t over 13.6 m, 803 g/t over 3.7 m, 255 g/t over 6.8 m). Results extend mineralization at San Miguel and San Juan and highlight further district potential. No production decision has been made yet.

Silver Storm Mining Ltd. says its rehabilitation of the La Parrilla Silver Mine Complex processing plant in Durango, Mexico is ~50 % complete, advancing crushing, flotation, oxide and milling circuits. The progress is a key step toward a potential restart of operations in Q2 2026, including expanded sulphide processing capacity.

Capitan Silver reported very high-grade drill results at its Cruz de Plata project in Durango, Mexico, including an intersection of 2,451 g/t silver-equivalent over 1.5 m within a broader zone of 684 g/t AgEq over 9.1 m, highlighting expanding high-grade silver mineralization and ongoing diamond drilling to test and extend targets along the Jesús María trend.

Mammoth Resources has pinpointed several high-grade “draw point” locations at its 100%-owned Tenoriba gold-silver project in Chihuahua, Mexico for small-scale extraction and pilot heap leach testing. Using surface and drill data, geologists identified targets with attractive near-surface grades. Next steps include field checking and metallurgical tests to assess recoveries and potential tonnage.

Kootenay Silver Inc. has begun an ~8-week 3D induced polarization (3D-IP) and Audio-Magnetotelluric (AMT) geophysical survey over 1,250 ha at its Columba Silver Project in Chihuahua, Mexico, aiming to image subsurface structures and refine drill targets beyond its existing 54.1 Moz inferred silver resource with lead and zinc credits.

Mithril Silver & Gold’s LiDAR survey at the La Dura gold-silver project in Durango, Mexico uncovered 18 historic mine shafts, 44 adits and 134 pits and revealed a 1.5 km × 300 m structural trend with repeated workings, defining a high-priority drill target. The study will be combined with aerial magnetics and mapping to refine exploration planning across La Dura and nearby Copalquin.

Oroco has started Phase 2 diamond drilling at its Santo Tomás copper project in northwestern Mexico to upgrade mineral resource classifications in the South Zone. The work follows recent financing and includes infill/confirmation drilling and complementary pre-feasibility study programs.

Heliostar Metals reported drill results from its Ana Paula project in Guerrero, Mexico, including a 25.45 m intercept grading 8.26 g/t gold (with 8.30 m at 19.99 g/t) in the first down-dip hole into the Expansion Zone. Multiple high-grade intercepts were also logged in the High Grade Panel, and all results will be used in an upcoming feasibility study update.