Heliostar Metals (TSXV: HSTR) released a PFS for its 100% owned Cerro del Gallo project in Mexico: 15.3-year mine life, 85.7k GEOs/yr at AISC US$1,390/oz. Initial capex $195M, post-tax NPV5% $424M and 33% IRR at $2,300/oz Au; $972M NPV and 59% IRR at $3,900/oz Au. Low strip ratio and heap-leach + SART design drive strong economics and upside.
EV Resources (ASX: EVR) completed due diligence on its 150tpd Tecomatlán antimony plant in Mexico. No issues found; crushing and power systems successfully tested. Plant to produce antimony concentrate from artisanal ore and pilot Los Lirios project. Environmental permit submitted, maiden drilling set for mid-January 2026. Fast-track to near-term antimony production.
IMPACT Silver Corp. (TSXV: IPT) reported high-grade zinc-lead-silver intercepts from underground drilling at the Santo Domingo Zone, Plomosas Mine, Mexico, including 0.85m @ 26.3% Zn, 6.45% Pb, 34.7 g/t Ag and 4.95m @ 13.83% Zn, 7.43% Pb, 22.99 g/t Ag. Mineralization remains open; drilling continues.
Silverco Mining Ltd. (TSXV: SICO) released an updated MRE for its 100%-owned Cusi silver project in Mexico: M&I 4.89 Mt at 262 g/t AgEq (41.2 Moz contained), Inferred 4.07 Mt at 243 g/t AgEq (31.8 Moz). San Miguel zone drives growth with 10.8 Moz Indicated + 16.2 Moz Inferred; resource uses tighter, more conservative parameters.
Regency Silver Corp. (TSXV: RSMX) reported that hole REG-25-25 intersected 23.7m of sulphide-specularite breccia ~35m up-dip/SE of prior high-grade hits (e.g., 38m @ 7.36 g/t Au in REG-23-21). A new Quartz-Feldspar Porphyry body was identified, potentially controlling mineralization. Four holes (2,476m) completed; assays pending.
Colibri Resource Corp. (TSXV: CBI) has commenced reverse circulation drilling at its 4,766-ha EP Gold Project in Mexico’s prolific Caborca Gold Belt, adjacent to Fresnillo plc holdings. CEO Ian McGavney called the start of drilling a key catalyst for exploration momentum in this established mining district.
Coeur Mining (NYSE: CDE) reported 2025’s largest-ever exploration program at Palmarejo (Mexico): 68,000m drilled across its 300 km² district (only 3% explored). Key wins include extending Hidalgo Corridor veins, confirming Independencia Sur-Norte continuity, and high-grade hits at San Miguel (e.g., 17.9m @ 4.2 g/t Au + 1,870 g/t Ag) plus a new Camuchín discovery, signaling major mine-life extension potential.
Minaurum Gold Inc. (TSXV: MGG) plans to double its Phase II resource-expansion drill program at the Alamos Silver Project in Sonora, Mexico, from 25,000m to 50,000m, targeting additional high-grade vein zones. The expansion follows strong drilling results and is contingent on closing ongoing financing. A maiden resource estimate is expected in early 2026.
Mithril Silver and Gold Limited (TSXV:MSG) signed a 4-year option to acquire 100% of the 2,052-ha La Dura gold-silver property in Durango, Mexico, near its flagship Copalquin project, for US$4M. La Dura hosts historic mines and a 60 tpd mill. Initial LiDAR and magnetic surveys start this month.
Capitan Silver (TSXV:CAPT) released an updated pit-constrained Inferred MRE for Capitan Hill oxide gold deposit in Durango, Mexico: 39.8 Mt @ 0.41 g/t Au (525 koz Au) + 4.24 Moz Ag, a 115% increase in contained gold vs historical estimate. Drilling and geophysics ongoing; Capitan Hill is only ~1% of the Cruz de Plata project area.
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