Lead

The Mining and Exploration News in Mexico: Highlights on the Fourth Week of October, 2026

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Slickensides in brecciated and silicified volcanic rocks

By Miguel A Heredia

During the 43th week of the year (October 19 to October 25, 2026), at least 26 press releases were issued by companies operating in Mexico, and 1 news published by the media. Of these, ten related to deals and corporate matters, five reported production results, five covered resource and development updates, three addressed Mexican-related issues, three presented exploration results, and one announced financial activities. ON MEXICO ISSUES, PROFECA reported mining spill In Mina Sabinas, Zacatecas and temporarily closes part of a Peñoles storage facility. Heliostar Metals, Minaurum Silver, Axo Metals and Capitan Silver reported the best drilling intercepts in Mexico on the fourth week of October, 2026. Gambusino Prospector reported the best Lead and Zinc drilling intercepts in Mexico on the Third Quarter 2026. ON EXPLORATION, In Sonora, Algo Grande engaged Addison Mining Services to update the NI 43-101 Technical Report on its Adelita project. In Chihuahua, Kingsmen contracted Geofísica TMC to fly drone-borne aeromagnetic and LiDAR surveys at Las Coloradas project, Chihuahua. In Sinaloa, Mercado Minerals reported new surface assay results from its Zamora project. ON MINING, Altius reported Q3, 2026 attributable royalty revenue of approximately CAD $33.2M. Americas Gold and Silver, Santacruz Mining and Fresnillo plc announced Q3, 2026 production and financial results. Americas Gold and Silver informed that it will host a conference call webcast on November 13, 2026 to discuss its Q3, 2026 results. ON FINANCING, Orex announced that it intends to amend the exercise price of an aggregate of 6,366,282 outstanding common share purchase warrants of the company. ON RESOURCES AND DEVELOPMENT, Silver Tiger provided a construction update for the El Tigre Stockwork Project in Sonora. Heliostar reports drill assay results from the High Grade Panel at its Ana Paula project, Guerrero.  Capitan Silver expanded high grade silver mineralization, and announced new CRD discovery at its Cruz de Plata project. Durango. Axo Metals released the latest drilling results from its San Antonio Gold project, Sonora. Minaurum reported the discovery of a blind high grade at its Alamos Silver project in Sonora. ON DEALS AND CORPORATE ISSUES, Torex appointed Lee Hodgkinson to its Board of Directors effective November 1, 2026. Antimony Resources announced that its 2026 annual general meeting will be held on Monday, 30 November 2026. Antimony Resources reported that its US subsidiary, Strategic Minerals, Inc., has been accepted into the US Defense Industrial Base Consortium. Riverside Resources optioned its Cecilia project in Sonora to Calu Resources Corp. Axo Metals received approval to trade on the OTCQB Venture Market. Pantera Silver announced completion of annual filings and revocation of cease of trade order. Silver Storm informed on its participation on the 2026 New Orleans Investment Conference. Aloro received extension for holding its 2026 annual general meeting. Kootenay appointed Mark Smith as Technical Advisor for La Cigarra project, Chihuahua. Starcore announced voting results of its annual general meeting of shareholders. ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUE

ON EXPLORATION

  • Algo Grande Commissions Independent NI 43-101 Update to Capture First Year of Progress at Adelita: Algo Grande Copper Corp
  • Kingsmen Contracts Drone Magnetic and LiDAR Surveys to Trace High-Grade Structural Intersections at Las Coloradas: Kingsmen Resources Ltd
  • Mercado Minerals Announces New Surface Results from the Zamora Project Including0.40 Metres of 1615 g/t Silver and 1.77 g/t Gold at the Campanillas – La Franca Vein & 1075 g/t Silver and 1.14 g/t Gold at the El Triunfo Vein: Mercado Minerals Ltd

ON MINING

ON FINANCING

ON RESOURCES AND DEVELOPMENT

  • Silver Tiger El Tigre Construction Update: Silver Tiger Metals Inc
  • Heliostar Reports 52.4m Grading 5.84 g/t Gold from the High Grade Panel and Continues to Build Out the Expansion Zone at Ana Paula: Heliostar Metals Ltd
    Capitan Expands High-Grade Silver Mineralization to 600 Metres Down-Dip and Announces New CRD Discovery at Cruz De Plata: Capitan Silver Corp
  • Axo Metals Drilling Intercepts 48.0 Metres of 1.18 G/T AU From Surface at Recently Discovered Luz del Cobre Target; Additional Results Include 3.94 G/T AU Over 15.0 Metres: Axo Metals Corp
  • Minaurum Discovers Blind Silver Vein Grading 669 g/t AgEq Over 2.05 Metres, Highlighting Potential for Additional Blind Veins of Scale;  Resource Expansion Drilling Returns 367 g/t AgEq Over 2.65 Metres at Europa Sur at the Alamos Silver Project: Minaurum Silver Inc

ON DEALS AND CORPORATE ISSUES

ON SOCIAL RESPONSIBILITY

  • No relevant news

Content like what you have just read can be seen at https://gambusinoprospector.com/ and at LinkedIn’s Mexico Mineral Exploration Group.

On the picture below, slickensides in brecciated and silicified volcanic rocks in a project in Chihuahua, Mexico. Photo taken by Miguel A Heredia.

Mexico’s Best Lead and Zinc Drilling Intercepts, Third Quarter 2026

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Nineteen companies released lead and/or zinc results from drilling programs in Mexico during the third quarter of 2026. Sothern Silver Exploration’s Cerro Las Minitas advanced project in Durango produced the best lead results from carbonate replacement mineralization, with 35 m grading 4.9% Pb, whereas Luca Mining´s Campo Morado volcanogenic massive sulfides mine sourced the best zinc intercept with 183.7 m grading 1.7% Zn. In 2025 Mexico produced 412,000 tonnes of zinc and 172,000 tonnes of lead, a two to one ratio that can be gleaned from the percentage-meter numbers from the table below.

Twelve of the nineteen properties present intermediate sulfidation epithermal mineralization, including Don David, Las Coloradas, Tahuehueto, Copalito, San Marcial, San Acacio, Gavilanes, Cruz de Plata, Columba, Alamos Silver, Cusi and Zacatecas Silver. Copalquín presents mainly low sulfidation epithermal mineralization, but the zinc rich intercept is of a more restricted intermediate sulfidation mineralization. Cosalá, La Parrilla and La Unión present mainly carbonate replacement mineralization (CRD style). Finally, Adelita is a skarn distal to a porphyry copper system.

The Mining and Exploration News in Mexico; Highlights on the Third Week of October 2026

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By Jorge Cirett

During the 42nd week of the year (October 12th to October 18th, 2026), 20 companies working in Mexico released press releases. No companies reported activities on early-stage projects. Six companies reported quarterly results and one restarted milling operations. Two companies closed financing rounds, one other completed subscription financing and two more attended conferences. One company reported drilling results, another one received environmental permits, and one more provided an exploration update. Four companies reported on deals and corporate issues. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, no relevant news. ON MINING, Endeavour Silver restored mill operations at Guanceví, in Durango. Luca Mining, Mining Americas, Luca Mining, Equinox Gold, GoGold Resources and Guanajuato Silver Company reported Q3 Results. ON FINANCING. Silver Tiger Metals closed a C$100 M bought deal financing. Luca Mining completed a C$211 M subscription receipt financing. Vortex Metals closed the second tranche of a non-brokered private placement for C$600 K. ON RESOURCES AND DEVELOPMENT, Impact Silver elaborates on a gold mining opportunity and updates on exploration at Plomosas, in Chihuahua. Heliostar Metals submitted environmental permits for Ana Paula, in Guerrero. Silverco Mining reported drilling results from Cusi, in Chihuahua. ON DEALS AND CORPORATE ISSUES, First Majestic Silver announced a probable settlement agreement with Mexico on NAFTA arbitration proceedings. Goldgroup completed its strategic investment in Luca Mining. Xali Gold made an appointment to the board. ON SOCIAL RESPONSIBILITY, Americas Gold and Silver published its corporate sustainability report and established its baseline GHG.

ON MEXICO ISSUES

  • No Relevant News.

ON EXPLORATION

  • No Relevant News.

ON MINING

  • Luca Reports Q3 2026 Production Results: Luca Mining  (Campo Morado, Guerrero)
  • Mining Americas Reports Third Quarter 2026 Gold Production and Provides Notice of Third Quarter Results and Conference Call: Mining Americas (Cerro de Oro, Zacatecas)
  • Equinox Gold Reports Q3 Production Results Following Transformational Combination with Orla; Expanded Canadian Production Platform Positioned for Strong Finish to 2026: Equinox Gold (Camino rojo, Zacatecas)
  • Endeavour Silver Restores Guanaceví Mill to Full Capacity Following Trunnion Replacement: Endeavour Silver (Guanaceví, Durango)
  • GoGold Announces 2026 Annual Production: GoGold Resources (Parral tailings, Chihuahua)
  • Guanajuato Silver Provides Q3 2026 Production Results: Guanajuato Silver Company (El Cubo, Guanajuato)
  • Avino Announces Q3 2026 Production Results: Avino Silver & Gold Mines (Avino and La Preciosa, Durango)

ON FINANCING AND SHARES

  • Silver Tiger Announces Closing of C$100,050,000 Bought Deal Financing Including Full Exercise of the Over-allotment Option: Silver Tiger Metals  (El Tigre, Sonora)
  • Luca Mining Completes C$211 Million Subscription Receipt Financings in Connection with the Proposed Acquisition of Capstone Copper’s Cozamin Mine: Luca Mining (Cozamin, Zacatecas)
  • Vortex Metals Attends the 26th Munich Equity Investment Conference: Vortex Metals (Riqueza Marina, Oaxaca)
  • Vortex Metals Closes Second Tranche of Non-Brokered Private Placement: Vortex Metals
  • Regency Silver to Present at the Centurion One Capital 4th Annual Bahamas Summit: Regency Silver (Dios Padre, Sonora)

ON RESOURCES AND DEVELOPMENT

  • Impact Silver Outlines Capire Gold Opportunity and Plomosas Operating and Exploration Update: Impact Silver  (Plomosas, Chihuahua)
  • Heliostar Submits Environmental Permit Applications for Ana Paula: Heliostar Metals (Ana Paula, Guerrero)
  • Silverco Mining Intercepts 1,280 g/t Silver over 3.35 Metres True Width at Its 100%-Owned Cusi Mine in Chihuahua, Mexico: Silverco Mining (Cusi, Chihuahua)

ON DEALS AND CORPORATE ISSUES

  • First Majestic Announces Temporary Suspension of NAFTA Arbitration Proceedings as Settlement Framework Agreed to with Mexico: First Majestic Silver  (San Dimas, Durango)
  • Goldgroup Completes Strategic Investment in Luca Mining: Goldgroup Mining (San Francisco, Sonora)
  • Xali Gold Appoints Susan Mitchell as Senior Financial Advisor: Xali Gold (El Oro, Estado de México

ON SOCIAL RESPONSIBILITY

Americas Gold and Silver Publishes Inaugural Corporate Sustainability Report and Establishes GHG Baseline: Americas Gold and Silver (Cosalá, Sinaloa)

On the image below: Shear zone on intrusive rocks in northern Sonora. Picture by Jorge Cirett

Mexico’s Best Drilling Intercepts, Third Week of October 2026

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One company released results from drilling on a project in Mexico during the week.

Silverco Mining reported intercepts from fifteen holes from its ongoing 30,000 m drill program at the past producing Cusi property in Chihuahua. The program will support the restart of mining in Q4 2026 and an updated mineral resource estimate planned for H1 2027. “Mineralization at Cusi occurs in veins with mineralogical characteristics and alteration assemblages typical of low to intermediate sulfidation epithermal deposits. Silver, gold, lead, and zinc mineralization occurs along faults and open fractures containing quartz, sphalerite, and galena, with wall rock alteration characterized by silicification, clay development, and iron oxides”.

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