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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.

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

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

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Quartz-Sericite Vein

By Miguel A Heredia

During the 41th week of the year (October 5 to October 11, 2026), at least 27 press releases were issued by companies operating in Mexico. Of these, eleven related to deals and corporate matters, six reported production results, five covered resource and development updates, three announced financial activities, one presented exploration results, and one addressed Mexican-related issues ON MEXICO ISSUES, Oroco Resource reported the best drilling intercepts in Mexico on the first week of October, 2026 ON EXPLORATION, In Sonora, Algo Grande announced that laboratory measurements show that mineralized skarn at Cerro Grande is denser and more chargeable than the host rock tested, for which it has engaged GEOTEM Ingeniería to complete  a ground gravity survey to test targets already identified and generate others.    ON MINING, Torex Gold reported preliminary Q3, 2026 production results. Teck announced that it will release its Q3, 2026 earning results on October 29, 2026. Pan American announced that its Q3, 2026 unaudited financial results will be released on November 4, 2026. First Majestic, Endeavour Silver, and Aura Minerals reported Q3, 2026 production results. ON FINANCING, Talamore announces shareholder approval of financing and timing of warrant early exercise incentive program. Silver Valley Metals announced a non-brokered private placement for gross proceeds of up to CAD$ 2.4M. Silver Tiger filed a final prospectus in connection with a bought deal public offering for gross proceeds of CAD $87M.  ON RESOURCES AND DEVELOPMENT, Discovery Mining received the environmental impact assessment permit and the change of land use permit from SEMARNAT for its Cordero project in Chihuahua, and positions positioning the company to advance towards development. Silver Dollar provided an update on the exploration drill program at its La Joya project, Durango. Starcore identified four priority geophysical exploration targets at its San Martin mine in Queretaro. Oroco reported assay results from its Phase 2 resource drilling program at Santo Tomas project in Sinaloa. Guanajuato Silver announced that it has completed a 267m-long underground production ramp connecting the San Ignacio mine with the Bolañitos mine in Guanajuato.   ON DEALS AND CORPORATE ISSUES, Heliostar announced that its common shares will commence trading on the Toronto Stock Exchange effective at market open on October 7, 2026. Zacatecas Silver entered into an option agreement with Guanajuato Silver to acquire a 100% interest in the Lourdes project in Guanajuato. Silver Bull provided an update on its efforts to restore clear legal ownership on the Sierra Mojada project in Coahuila. Altius Minerals filed an early warning report with respect to previously acquired common shares of TNR Gold Corp. Colibri provided clarification Q2 interim filings posted on SEDAR on August 31, 2026. Pantera Silver provided an update on annual financial filings and cease trade order. Teck has been named to the Forbes World’s Top Companies for Women 2026 list. Pan American announced the resignation of one of its Directors. Kingsmen entered into a service agreement with Resource Stock for marketing services. Vizsla reported voting results of its annual general meeting of shareholders. ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUE

ON EXPLORATION  

  • Algo Grande Copper Core Testing Shows Mineralized Skarn Is Denser and More Chargeable Than Host Rocks; Ground Gravity Survey to Begin at Adelita: Algo Grande Copper Corp

ON MINING

  • Torex Gold Reports Q3 2026 Production Results: Torex Gold Resources Inc
  • Teck to Release Third Quarter 2026 Results on October 29, 2026: Teck Resources Limited
  • Pan American Silver to Announce Third Quarter 2026 Unaudited Financial Results: Pan American Silver Corp
  • First Majestic Reports Q3 2026 Production Results, Announces Q3 Conference Call Details and Renewal of Share Repurchase Program: First Majestic Silver Corp
  • Endeavour Silver Produces 2,096,545 Oz Silver and 10,126 Oz Gold, for a total of 3.6 Million Silver Equivalent Oz in Q3 2026: Endeavour Silver Corp
  • Aura Announces Preliminary Record High Production in Q3 2026 and 9M 2026 Production Results: Aura Minerals Inc

ON FINANCING

ON RESOURCES AND DEVELOPMENT

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, a quartz-sericite vein in an epithermal vein system in a project in Chihuahua, Mexico. Photo taken by Miguel A Heredia.

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

/ Gambusino Prospector / Leave a comment

By Jorge Cirett

During the 40th week of the year (September 28th to October 4th, 2026), 16 companies working in Mexico released press releases. Four companies reported on activities at early-stage projects. Two companies reported on quarterly results and one announced an expansion plant update. One company changed trading symbol, and one more closed a financing round. One company reported on metallurgical results and one more on an advanced property drilling results. Four companies reported on deals and corporate issues. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, in Sonora, Tocvan presented drilling results from Gran Pilar, Algo Grande Copper secured a surface agreement for Adelita and Masivo Silver reported on drilling at Cerro Colorado. In Chihuahua, Centenario Gold begins drilling at Los Reyes. ON MINING, Sierra Madre Gold and Silver updated on the plant expansion at La Guitarra, in Estado de México. Agnico Eagle and Alamos Gold informed on Q3 Results. ON FINANCING. Platauro Metals announced a new OTCQB symbol. Pinnacle Gold and Silver closed a financing round for C$1.65 M. ON RESOURCES AND DEVELOPMENT, Tocvan Ventures reported on metallurgical results at Gran Pilar, in Sonora. Sonoro Gold presented results from drilling at Cerro Caliche, in Sonora. ON DEALS AND CORPORATE ISSUES, Goldgroup Mining announced a US$75 M strategic investment in Luca Mining, to support the acquisition of Cozamin, in Zacatecas. Silver Hammer and Stroud Resources shareholders approved of its merge. Madoro Metals updated on the proposed takeover with Narrow River Resources. ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

  • No Relevant News.

ON EXPLORATION

  • Tocvan Expands El Mezquite; Drilling Returns 106.8 m of 0.5 g/t Au: Tocvan Ventures (Gran Pilar, Sonora)
  • Algo Grande Copper Secures Five-Year Surface Access Agreement with Ejido Palos Chinos at the Adelita Project: Algo Grande Copper (Adelita, Sonora)
  • Masivo Silver Reports Broad Polymetallic Mineralization from Initial 2026 Drilling Program at Cerro Colorado Project, Sonora, Mexico: Masivo Silver (Cerro Colorado, Sonora)
  • Centenario Gold Announces the Start up of it’s Maiden Drill Program at the Los Reyes Copper, Moly, Gold Skarn System: Centenario Gold (Los Reyes, Chihuahua)

 ON MINING

  • Sierra Madre Announces Guitarra Processing Plant Achieves Throughputs of up to 720 Tonnes per Day as Development at Nazareno and Guitarra Mines Accelerates: Sierra Madre Gold and Silver (La Guitarra, Estado de México
  • Agnico Eagle Provides Notice of Release of Third Quarter 2026 Results and Conference Call: Agnico Eagle (San Nicolás, Zacatecas)
  • Alamos Gold Provides Notice of Third Quarter 2026 Results and Conference Call: Alamos Gold (Mulatos, Sonora)

ON FINANCING AND SHARES

  • Elemental Royalty to Participate in Renmark’s Virtual Non-Deal Roadshow Series on Wednesday, October 7, 2026: Elemental Royalty (Mercedes, Sonora)
  • Platauro Metals Announces New OTCQB Trading Symbol: Platauro Metals (Las Minas, Veracruz)
  • Pinnacle Closes Second and Final Tranche of Private Placement: Pinnacle Silver and Gold (Potrero, Durango)

ON RESOURCES AND DEVELOPMENT

  • Tocvan Reports Positive Closed-Circuit Column Leach Test Results at Gran Pilar: Tocvan Ventures (Gran Pilar, Sonora)
  • Sonoro Gold Announces Continued Expansion of Higher-Grade Mineralization at Cerro Caliche: Sonoro Gold (Cerro Caliche, Sonora)

ON DEALS AND CORPORATE ISSUES

  • Goldgroup Announces Commitment for Strategic Investment in Luca Mining: Goldgroup Mining (San Francisco, Sonora)
  • Luca Mining Announces Binding Equity Commitment from Goldgroup Mining Inc.: Luca Mining (Campo Morado, Guerrero)
  • Silver Hammer and Stroud Shareholders Overwhelmingly Approve the Amalgamation of Silver Hammer, Stroud and SilverMark, and Announce Results of Annual and Special Meetings: Silver Hammer Mining (Santo Domingo, Jalisco)
  • Madoro Metals Corp. Provides Update on Proposed Reverse Takeover with Narrow River Resources: Madoro Metals (Cerro Minas, Oaxaca)

ON SOCIAL RESPONSIBILITY

  • No Relevant News

On the image below: Monzonite porphyry in northern Sonora. Picture by Jorge Cirett

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

/ gambusinoprospectormexico / Leave a comment

Quartz Breccia Cemented by Tourmaline

By Miguel A Heredia

During the 39th week of the year (September 21 to September 27, 2026), at least 32 press releases were issued by companies operating in Mexico. Of these, eleven related to deals and corporate matters, eleven covered resource and development updates, seven announced financial activities, two presented exploration results, and one reported production issues. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, In Sonora, Algo Grande reported drilling assay results from the Cerro Grande skarn discovery at its Adelita project. In Chihuahua, Kingsmen released additional drilling results from its Las Coloradas project.  ON MINING, Endeavour reported temporary reduced capacity at its Guanacevi mine in Durango. ON FINANCING, Equinox announced that it elected to exercise its rights to redeem all of its outstanding USD $172.5 million aggregate principal amount of 4.75% Convertible Senior Notes due October 15, 2028. Vortex Metals upsized its previously announced non-brokered private placement to CAD $1.4M. Silver Tiger announced a CAD $87M Bought Deal Financing and provided an update on the expected capital expenditures for the construction of the mine and process plant for El Tigre in Sonora. Aztec Minerals closed its upsized bought deal private placement for gross proceeds of CAD $6.4M. Silver Dollar announced that it intends to extend the expiry date of 3,022,600 share purchase warrants from October 29, 2026 to October 29, 2027. Silver Spruce received conditional approval from TSX Venture Exchange of its debt settlement of CAD $20,000 to be satisfied by the issuance of 210,526 common shares at a deemed price of $0.095 per share. Goldgroup closed a non brokered private placement for gross proceeds of USD $122M. ON RESOURCES AND DEVELOPMENT, Antimony Resources informed that its Tecomatlán antimony processing plant in Puebla advance toward wet commissioning and the processing of prepared mineralized material. Chesapeake provided an update on its proprietary heap oxidation technology.  GoGold provided an update on the construction of its Los Ricos South project in Jalisco. Heliostar announced progress update on Ana Paula Feasibility Study. Kootenay reported drill results from Lupe Vein at its Columba project in Chihuahua. Mammoth Resources provided and update on its field activities at its Tenoriba project in Chihuahua. Minaurum reported advancement of underground rehabilitation and exploration at the historic Promontorio mine in its Alamo Silver project in Sonora.  Silverco released a positive Preliminary Economic Assessment for its La Negra mine in Queretaro. Southern Silver reported drill results from its Cerro Las Minitas project in Durango. Minaurum reported high-grade silver drill results from the Europa, Quintera, San Jose, and Promontorio Sur Vein Zones, as part of its ongoing Phase II, 50,000m resource-expansion drilling program at the Alamos Silver Project in Sonora. Torex reported strong results from its ongoing drilling and exploration program at the Morelos property in Guerrero.   ON DEALS AND CORPORATE ISSUES, Americas Gold and Silver announced that it will participate in Reuters Momentum AI Austin 2026. Barksdale announced the appointment of George Ogilvie as Chairman, David Lotan as Director Nominee, Chris Stewart as President and Chief Executive Officer and David Birch as Chief Financial Officer. Capital Silver announced that it will participate in the Gentile Mining Investor Forum in London. Elementary Royalty acquired an uncapped 2.5% gross revenue royalty covering Silverco´s La Negra mine in Queretaro. Apollo Silver reported that Ejido Benito Juarez in Buenaventura Municipality in Chihuahua called a second community assembly to consider lifting the moratorium on mineral exploration affecting the Cinco de Mayo project, and later on clarified misleading media reports. Luca Mining acquired Cozamin mine in Zacatecas from Capstone Copper Corp. for total upfront consideration of USD $290M and up to an additional USD $95M in deferred and contingent consideration. Silver Hammer announced that its common shares have been approved for trading on the OTCQB Venture Market in the United States under the symbol “HAMRF” and that its common shares are now eligible for electronic clearing and settlement through the Depository Trust Company in the United States. Regency Silver announced that it has been selected to present at the 26th MK-Equity Investment Conference, hosted by MK-Equity, the family office of Michael Kott, on Wednesday, September 30th, 2026, in Munich, Germany. Royalties Inc. reported the Zacatecas Attorney General formally serves Capstone Copper’s Cozamin Mine with criminal document demand for production evidence. Candelaria Mining announced voting results from its annual general meeting of shareholders. ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUE

  • No relevant news.

ON EXPLORATION  

  • Algo Grande Copper Confirms 68.43 Metres of Copper-Silver-Gold Mineralization Across Two Zones in Hole AG-CG-PH2-002, Including a New Zone of 38.20 Metres at 1.0% CuEq: Algo Grande Copper Corporation
  • Kingsmen Intersects 218 g/t AgEq over 6.5 Meters on New Structure, 150 Meters of High-Grade Hole LC-25-010: Kingsmen Resources Ltd

ON MINING

ON FINANCING

  • Equinox Gold Announces Redemption of its Outstanding 4.75% Convertible Senior Notes Due October 2028: Equinox Gold Corp
  • Vortex Metals Upsizes Non-Brokered Private Placement to $1,400,000 Due to Investor Demand: Vortex Metals Inc
  • Silver Tiger Metals Inc. Announces $87 Million Bought Deal Financing and  El Tigre Project Capital Cost Update: Silver Tiger Metals Inc
  • Aztec Minerals Announces Closing of Upsized C$6.4 Million Bought Deal Private Placement Including Concurrent Exercise of Underwriter’s Option: Aztec Minerals Corp
  • Silver Dollar Resources Proposes Warrant Expiry Extension: Silver Dollar Resources Inc
  • Silver Spruce Receives TSXV Conditional Approval of Debt Settlement: Silver Spruce Resources Inc
  • Goldgroup Closes Record US$122 Million Non-Brokered Private Placement: Goldgroup Mining Inc

ON RESOURCES AND DEVELOPMENT

  • ANT Commences Trading as Tecomatlán Advances Toward Commissioning:  Antimony Resources Limited
  • Chesapeake Announces Proprietary Heap Oxidation Technology Updates: Chesapeake Gold Corp
  • GoGold Advances Los Ricos South Construction: GoGold Resources Inc
  • Heliostar Provides Progress Update on Ana Paula Feasibility Study: Heliostar Metals Ltd
  • Kootenay Silver Reports Drill Results from Lupe Vein as 60,000-Meter Columba Program Advances: Kootenay Silver Inc
  • Mammoth Provides Update on Field Activities at its Tenoriba Gold-Silver Property, Mexico: Mammoth Resources Corp
  • Minaurum Advances Underground Rehabilitation and Exploration at the Historic Promontorio Mine: Minaurum Silver Inc
  • Silverco Releases Positive PEA for Producing La Negra Mine Outlining a Low Capital, 8.2Year Mine Life Generating After-Tax NPV of $329 Million: Silverco Mining Ltd
  • Southern Silver Intersects 35.0 Metres Averaging 188g/t Ag, 4.9% Pb and 4.6% Zn(399g/t AgEq) at Cerro Las Minitas Project, Durango, Mexico: Southern Silver Exploration Corp
  • Minaurum Resource Step-Out Drilling Returns 3.40 m of 397 g/t AgEq at Europa Sur, 1.90 m of 323 g/t AgEq at Quintera, and 0.90 m of 1469 g/t AgEq at San Jose in Alamos Silver Project: Minaurum Silver Inc 1
  • Regency Silver to Present at the 26th MK-Equity Investment Conference in Munich: Regency Silver Corp
  • Torex Gold Provides Q3 2026 Morelos Drilling & Exploration Update: Torex Gold Resources Inc

ON DEALS AND CORPORATE ISSUES

  • Americas Gold and Silver CEO Paul Andre Huet to Participate in Reuters Momentum Ai Austin 2026: Americas Gold and Silver Corporation
  • Barksdale Announces C$14.0 Million Private Placement, Appoints George Ogilvie as Chairman, Proposes David Lotan as Director Nominee, Appoints Chris Stewart as President and Chief Executive Officer and David Birch as Chief Financial Officer: Barksdale Resources Corp
  • Capitan Silver to Participate in the Gentile Mining Investor Forum in London: Capitan Silver Corp
  • Elemental Royalty Announces US$290 Million Acquisition of Royalty and Streaming Portfolio, Strategic Divestment of Generation Business and management Succession: Elemental Royalty Corporation
  • Apollo Silver Reports Ejido Benito Juárez to Reconvene Assembly on Cinco de Mayo Access Agreement: Apollo Silver Corp
  • Apollo Silver Clarifies Media Reports Regarding Ejido Benito Juárez Assembly: Apollo Silver Corp 1
  • Luca Mining Announces Acquisition of the Cozamin Mine, Creating a Leading Polymetallic Producer: Luca Mining Corp
  • Silver Hammer Announces Uplisting to the OTCQB Venture Market in the United States, and Receives DTC Eligibility: Silver Hammer Mining Corp
  • Royalties Inc. Reported the Zacatecas Attorney General Formally Serves Capstone Copper’s Cozamin Mine with Criminal Document Demand for Production Evidence: Royalties Inc
  • Candelaria Announces Voting Results of Annual General Meeting of Shareholders: Candelaria Mining Corp

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, a quartz breccia cemented by tourmaline in a porphyry copper project in Chihuahua, Mexico. Photo taken by Miguel A Heredia.

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

/ Gambusino Prospector / Leave a comment

By Jorge Cirett

During the 38th week of the year (September 14th to September 20th, 2026), 33 companies working in Mexico released press releases. Not a single company reported activities on early-stage projects. One company reported quarterly results. Five companies were added to the GDXJ ETF and one more began trading on the TSX. One company informed on a financing round for US$125 M, another raised A$1.5 M and one more obtained a US$200 M loan facility. Two companies declared a quarterly dividend and one another consolidated its shares. Four companies released drilling results from their advanced properties. One company reported mineral reserves and resources for its properties, one another informed on surface access and one more on an agreement on mining concessions. Twelve companies reported on deals and corporate issues. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, no relevant news. ON MINING, Starcore International Mines presented quarterly results. ON FINANCING. Heliostar Metals, Elemental Royalty, Silver Tiger, Silver Storm Mining and Sinda were included on the GDXJ. Goldgroup Mining upsized its private placement to US$125 M. Santacruz Silver Mining is to trade on the TSX. Elemental Royalty declared a dividend. EVR raised A$1.5 M and consolidated its shares. Aura Minerals secured a US$200 M loan facility. ON RESOURCES AND DEVELOPMENT, Capitan Silver announced drilling results from its Cruz de Plata project in Durango. Apollo Silver informed on community support at Cinco de Mayo, in Chihuahua. Axo Metals reported step out drilling results at San Antonio, in Sonora. Kootenay Silver released drilling results from Columba, in Chihuahua. Pan American Silver reported mineral reserves and resources, including several of its Mexican properties. Americas Gold and Silver announced good drilling results from Cosalá in Sinaloa. ON DEALS AND CORPORATE ISSUES, Sailfish Royalty entered into an agreement with Mako Mining. Pacifica Silver and Silver Tiger announced AGM results. Fresnillo plc reported on board changes. Elemental Royalty completed the acquisition of Vizsla Royalties. Minaurum Silver announced management appointments. Orex Minerals informed on reporting framework. Zacatecas Silver announced a services agreement. Xali Gold provided an update on its Mexican properties. EV Resources changed name to Antimony Resources. Mercado Minerals signed a LOI to acquire more mining concessions at the Zamora project in Sinaloa. ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

  • No Relevant News.

ON EXPLORATION

  • No Relevant News

ON MINING

ON FINANCING AND SHARES

  • Heliostar Announces Inclusion in the GDXJ: Heliostar Metals  (Ana Paula, Guerrero)
  • Elemental Royalty Announces Inclusion in the GDXJ: Elemental Royalty (royalty on Mercedes, Sonora)
  • Silver Tiger Added to GDXJ Junior Gold Miners ETF and Provides Construction Update: Silver Tiger (El Tigre, Sonora)
  • Goldgroup Upsizes Private Placement to US$125 Million in Response to Strong Investor Demand: Goldgroup Mining (San Francisco, Sonora)
  • Silver Storm Announces Inclusion Into the Benchmark Index Tracked by the GDXJ ETF: Silver Storm Mining (La Parrilla, Durango)
  • Santacruz Silver Announces September 21, 2026 Trading Date on the Toronto Stock Exchange: Santacruz Silver (Zimapán, Hidalgo)
  • Elemental Royalty Declares Quarterly Dividend and XAU ₮ Token Payment Alternative for Shareholders: Elemental Royalty (royalty on Mercedes, Sonora)
  • EVR Completes A$1.52 Million Rights Issue to Advance Tecomatlán Antimony Production: EV Resources (Los Lirios, Oaxaca)
  • EV Resources Completes Strategic Capital Consolidation: EV Resources (Los Lirios, Oaxaca)   
  •  Aura Minerals Announces USD 200 Million Syndicated Loan Facility: Aura Minerals (Aranzazu, Zacatecas)
  • Sinda Ltd. Announces Inclusion in the VanEck Junior Gold Miners ETF (GDXJ): Sinda (Caracol, Guanajuato)
  • Regency Silver to Attend the 2026 Precious Metals Summit Beaver Creek: Regency Silver (Dios Padre, Sonora)
  • Royalties Inc. Investee Company Music Royalties Inc. Pays Milestone 80th Monthly Dividend: Royalties Inc (royalty on Cozamin, Zacatecas)

ON RESOURCES AND DEVELOPMENT

  • Capitan Silver Intersects High-Grade Silver Equivalent Mineralization at All Priority Target Areas: Capitan Silver  (Cruz de Plata, Durango)
  • Apollo Silver Reaffirms Its Support for Ejido Benito Juárez on Long Term Water Solutions: Apollo Silver (Cinco de Mayo, Chihuahua)
  • Axo Metals Drilling Intercepts 18.00 Metres of 8.15 g/t Au at San Antonio Project; First Step Out Drilling Reports Strong Grades Directly from Surface 750 Metres Beyond Resource: Axo Metals (San Antonio, Sonora)
  • Kootenay Reports Drill Results as 60,000-Meter Columba Program Advances: Kootenay Silver (Columba, Chihuahua)
  • Pan American Silver Reports Mineral Reserves and Mineral Resources as at June 30, 2026 Pan American Silver (La Colorada, Zacatecas)
  • Americas Gold and Silver Announces Some of the Best Grade-Widths Drilled to Date at the Cosalá Complex Including High-Grade Drill Results of 654.7 g/t Ag, 1.5% Cu Over 20.5 Meters and 409.3 g/t Ag, 0.8% Cu Over 14.1 Meters: Americas Gold and Silver (Cosalá, Sinaloa)
  • Galore Resources Announces Recording of Assignment Agreement for Los Gemelos I and Duende 7 Concessions: Galore Resources (Dos Santos, Zacatecas)

ON DEALS AND CORPORATE ISSUES

  • Sailfish Enters Into Non-Binding 20-year Gold Purchase Agreement with Mako Mining; Plans to Implement a Gold Price-Linked Dividend and Declare Special Dividend of US$1 per Share: Sailfish Royalty  (royalty on Gavilanes, Durango)
  • Pacifica Silver Announces AGM Results; Appoints New CFO and Director: Pacifica Silver (Claudia, Durango)
  • Fresnillo plc – Planned CFO Succession, Retirement of Mario Arreguín and Appointment of Rodrigo Sandoval as Successor: Fresnillo plc (La Herradura, Sonora)
  • Elemental Royalty Completes the Acquisition of Vizsla Royalties and its 2-3.5% NSR Royalties on the Panuco Project: Elemental Royalty (Panuco, Sinaloa)
  • Minaurum Announces Appointments of Operations Manager at the Alamos Silver Project and Senior Mine Engineer to the Advisory Board: Minaurum Silver (Alamos Silver, Sonora)
  • Orex Minerals Announces Adoption of Semi-Annual Reporting Framework: Orex Minerals (Sandra, Durango)
  • Zacatecas Silver Announces Investor Relations Engagement: Zacatecas Silver (Zacatecas, Silver, Zacatecas)
  • Xali Gold Provides Update on El Oro Projects in Mexico: Xali Gold (El Oro, Estado de México)
  • Luca Announces Agreement to Acquire El Barqueño from Agnico Eagle: Luca Mining (El Barqueño, Jalisco)
  • Change of Company Name to Antimony Resources Limited New ASX Code ANT: Antimony Resources (Los Lirios, Oaxaca)
  • Mercado Minerals Signs LOI to Acquire La Franca within the Zamora Project and Samples 1.00 Metre of 1.53 kg/t Silver and 1.39 g/t Gold: Mercado Minerals (Zamora, Sinaloa)
  • Silver Tiger Announces Results of Annual and Special Meeting: Silver Tiger (El Tigre, Sonora)

ON SOCIAL RESPONSIBILITY

  • No Relevant News

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

The Mining and Exploration News in Mexico: Highlights on the Second Week of September, 2026

/ gambusinoprospectormexico / Leave a comment

Brochantite

By Miguel A Heredia

During the 37th week of the year (September 07 to September 13, 2026), at least 32 press releases were issued by companies operating in Mexico, and 1 news published by the media. Of these, twelve related to deals and corporate matters, ten covered resource and development updates, seven presented exploration results, two announced financial activities, one addressed Mexican-related issues, and one reported social issues. ON MEXICO ISSUES, Two alleged members of Los Chapitos arrested for the kidnapping of 10 miners in Sinaloa. ON EXPLORATION, In Sonora, Riverside and its JV Partner Questcorp released assay results from the Phase 2A 2026 core drilling program at the Union project, Zacatecas Silver reported assay results from the second phase of rock chip sampling at its Oso Negro project, Algo Grande announced drill results from its Adelita project, and Tocvan confirmed gold mineralization along El Mezquite trend at its Gran Pilar project. In Nayarit, Miravalles Gold filed an independent technical report for its Fairfield project. In Durango, Pinnacle announced that its ongoing drilling program at El Potrero project has confirmed and extended the previously announced high-grade gold-silver mineralization at the historic Pinos Cuates mine.    ON MINING, No relevant news. ON FINANCING, DynaResource received USD $4M in IVA tax refund.  Goldgroup announced a non-brokered private placement for gross proceeds of up to USD $75M. ON RESOURCES AND DEVELOPMENT, Luca Mining released new assay results from its ongoing drill program at the Tahuehueto project, Durango. Zacatecas Silver announced drill assays from El Cristo drill program in Zacatecas. GR Silver reported that its ongoing 20,000m drill program at San Marcial project, Sinaloa continues to deliver significant drill intercepts confirming extension of mineralization beyond the current mineral resource estimate area. Goldgroup reported strong assay results of the six first drillholes from its ongoing 26,000m drill campaign at its San Francisco mine, Sonora. First Majestic announced positive results from its ongoing 2026 drilling program and expands exploration footprint at San Dimas project Durango. Defiance Silver provided the results on the drilling campaign on the San Acacio resource drilling program on the Zacatecas project. Oroco reported the fourth batch of assay results from its Phase 2 resource drilling program at its Santo Tomas project in Sinaloa. Sierra Madre announced that the twin diesel electric generators have been installed at La Guitarra mine in the State of Mexico. Silver Tiger reported exploration results for the 2026 summer program at its El Tigre project in Sonora. Goldgroup provided an overview of its Oaxaca mining operations and regional land package. ON DEALS AND CORPORATE ISSUES, Starlo Ventures entered into a binding letter of intent to acquire a 100% interest in and to the Margarita project, Chihuahua. Discovery Mining announced the appointment of William Shaver to the Board of Directors, as well as a number of senior appointments and executive promotions. Santacruz received conditional approval from the Toronto Stock Exchange to list its common shares. Americas Gold and Silver, Avino, and Discovery Mining announced that they have been named to the 2026 TSX30™, the Toronto Stock Exchange’s annual ranking of the 30 top-performing companies based on dividend-adjusted share price performance over a three-year period.  Elemental Royalty received approval from Mexico´s antitrust agency with respect to the acquisition of Vizsla Royalties. Guanajuato Silver appointed Colin Bower as Chief Operating Officer. Regency Silver agreed to acquire a 100% interest in the past producing Jabali Gold project, Sonora. GR Silver granted stock options to certain directors, officers, employees, and consultants. Apollo Silver announced a community assembly at which members of the Ejido are expected to vote on lifting the moratorium on mineral exploration and development affecting lands which include the Cinco de Mayo project, which is expected to be held on September 20, 2026. Mining Americas changed its auditor from McGovern Hurley LLP to Ernst & Young LLP. ON SOCIAL RESPONSIBILITY, Algo Grand received a BB rating in its first Digbee ESG assessment, covering both the Company and its 100%-owned Adelita Project in Sonora, Mexico.

ON MEXICO ISSUE

ON EXPLORATION  

  • Riverside Resources Intersects Near-Surface Gold and Base Metal Mineralization at Union Norte and Advances Multiple Targets for Phase 2B Drilling: Riverside Resources Inc
  • Questcorp Defines Near-Surface Gold Discovery Corridor at Union Norte Expanding District-Scale Potential at La Union: Questcorp Mining Inc
  • Zacatecas Silver Expands Oso Negro to Over 3 Kilometres of Mapped Gold-Silver Veins; Phase Two Rock Chip Sampling Returns up to 20.3 g/t Gold and 3,480 g/t Silver: Zacatecas Silver Corp
  • Algo Grande Copper Intersects 30.23 Metres Grading 1.5% CuEq, including 3.55 Metres at 9.4% CuEq and 1.2-Metre Interval at 15.8% CuEq, 100 metres vertical step-out from historical intersects: Algo Grande Copper Corp
  • Tocvan Confirms Gold Mineralization Along Entire 1,300-Metre El Mezquite Trend at Gran Pilar: Tocvan Ventures Corp
  • Miravalles Gold Corp Files NI 43-101 Technical Report for Fairfield Gold Project, Nayarit, Mexico: Miravalles Gold Corp
  • Pinnacle Confirms High-Grade Mineralization in Underground Drilling at El Potrero with up to 58.2 g/t Au and 631 g/t Ag: Pinnacle Silver and Gold Corp

ON MINING

  • No relevant news

ON FINANCING

  • DynaResource Receives US$4.0 Million in IVA Tax Refund: DynaResource Inc
  • Goldgroup Announces US$75 Million Private Placement with US$60 Million already Committed by Leading Natural Resource Investors: Goldgroup Mining Inc

ON RESOURCES AND DEVELOPMENT

  • Luca Intersects 9.9 Metres of 5.39 g/t Gold Equivalent from the Catorce Zone at Tahuehueto Mine: Luca Mining Corp
  • Zacatecas Silver Announces Multiple Silver Assays from El Cristo Drill Program: Zacatecas Silver Corp
  • GR Silver Confirms Extension of Mineralization at San Marcial, Including 16.1 m at 162 g/t Ag and11.7 m at 147 g/t Ag in the SE Area: GR Silver Mining Ltd
  • Goldgroup Reports Strong First Results from 26,000 Metre San Francisco Drill Program: Goldgroup Mining Inc
  • First Majestic Reports High-Grade Drill Results and Expands Exploration Footprint at San Dimas: First Majestic Silver Corp
  • Defiance Silver San Acacio Drilling Returns High Grade Silver; Additional Holes Pending from Lucita Drilling: Defiance Silver Corp
  • Oroco Continues South Zone Success: Oroco Resource Corp
  • Sierra Madre Onsite Power Generation Fully Functional at La Guitarra: Sierra Madre Gold and Silver Ltd
  • Silver Tiger Intersects 2.1 Metres of 7.72 Kilograms Per Tonne Silver Equivalent in the Caleigh Vein Including 0.53Metres of 29.62 Kilograms: Silver Tiger Metals Inc
  • Goldgroup Highlights its Two Producing Mines and Significant Growth Potential Across the Don David Gold Complex in Mexico: Goldgroup Mining Inc

ON DEALS AND CORPORATE ISSUES

ON SOCIAL RESPONSIBILITY

  • Algo Grande Copper Achieves BB Rating in First Digbee ESG Assessment at the Adelita Project: Algo Grande Copper Corp

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, brochantite in a Cu-Au project in Sonora Mexico. Photo taken by Miguel A Heredia.

The Mining and Exploration News in Mexico; Highlights on the First Week of September 2026

/ Gambusino Prospector / Leave a comment

By Jorge Cirett

During the 36th week of the year (August 31st to September 6th, 2026), 20 companies working in Mexico released press releases. One company reported activities on an early-stage property. There was no news related to mining. Three companies informed on financing rounds for C$ 31.4 M and one other granted stock options. Six companies presented news on resources and development. Eight companies presented news on deals and corporate issues. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, In Sinaloa, Mercado Minerals presented results from surface sampling at the Zamora project. ON MINING, Goldgroup Mining present Q2 2026 financing results. ON FINANCING. Silverco Mining granted stock options. Silver Storm Mining and Algo Grande Copper closed private placements for C$21 M and C$4.8 M respectively. Aztec Minerals upsized its private placement from C$5 M to C$5.6 M. Sailfish Royalty declared a dividend. ON RESOURCES AND DEVELOPMENT, Silver Hammer and Stroud Resources updated its mineral resource estimate for the Santo Domingo project in Jalisco. Southern Silver Exploration reported underground sampling results at Cerro Las Minitas in Durango. Barksdale Resources advances work on gold at its San Javier property in Sonora. Sonoro Gold released drilling results from Cerro Caliche, in Sonora. Mining Americas received key permits for its Cerro de Oro project in Zacatecas. Goldgroup Mining highlighted the exploration potential at Don David, in Oaxaca. ON DEALS AND CORPORATE ISSUES, Alamos Gold, Apollo Silver, Sonoro Gold announced changes/appointments to the board. Colibri Resource and Tocvan Ventures presented corporate updates. Teck Resources informed on its merger with Anglo American. Goldgroup Mining provided an update on its merger with Gold Resource.  ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

  • No Relevant News.

ON EXPLORATION

  • Mercado Minerals Announces Initial Surface Results from the Zamora Project, Highlights 1.00 Metre of 828 g/t Silver at the Campanillas Vein: Mercado Minerals (Zamora, Sinaloa)

ON MINING

  • Goldgroup Files Second Quarter 2026 Financial Results and Provides Update on Combined Company: Goldgroup Mining (San Francisco, Sonora)

ON FINANCING AND SHARES

  • Silverco Mining Grants Incentive Stock Options and Restricted Share Units: Silverco Mining (La Parrilla, Durango)
  • Silver Storm Closes Second and Final Tranche of Non-Brokered Private Placement for Aggregate Gross Proceeds of $21.0 Million: Silver Storm Mining (La Parrilla, Durango)
  • Algo Grande Copper Closes Oversubscribed Private Placement for $4.786 Million: Algo Grande Copper (Adelita, Sonora)
  • Sailfish Royalty Declares Q3 2026 Dividend: Sailfish Royalty (royalty on Gavilanes, Durango)
  • Aztec Minerals Announces $5 Milli: on Bought Deal Private Placement of Units: Aztec Minerals (Cervantes, Sonora)
  • Aztec Minerals Announces Upsize of Bought Deal Private Placement to $5.6 Million: Aztec Minerals (Cervantes, Sonora)

ON RESOURCES AND DEVELOPMENT

  • Silver Hammer and Stroud Resources Announce Updated Mineral Resource Estimate for the Santo Domingo Silver-Gold Project, Mexico: Silver Hammer  (Santo Domingo, Jalisco)
  • Southern Silver Reports 2.8m of 665g/t AgEq and 4.0m of 367g/t AgEq from Underground Channel Sampling at the Puro Corazon Mine: Southern Silver Exploration (Cerro Las Minitas, Durango)
  • Barksdale Completes Phase II Earn-In to Reach 67.5%Ownership of Sunnyside; Advances San Javier Gold Work: Barksdale Resources (San Javier, Sonora)
  • Sonoro Gold Announces Initial 10,000 Meters Drilling Results from Ongoing Campaign at Cerro Caliche: Sonoro Gold (Cerro Caliche, Sonora)
  • Mining Americas Announces Key Permit Approvals for Development of the Cerro de Oro Project in Northern Zacatecas, Mexico: Mining Americas (Cerro de Oro, Zacatecas)
  • Goldgroup Highlights Exploration Potential at Don David: Goldgroup Mining (Don David, Oaxaca)

ON DEALS AND CORPORATE ISSUES

  • Alamos Gold Announces Change to its Board of Directors: Alamos Gold  (Mulatos, Sonora)
  • Colibri Resource Corporation Announces Grant of Stock Options and Corporate Update: Colibri Resource (EP, Sonora)
  • Teck Provides Information Related to the Anglo Special Dividend and the Merger: Teck Resources (San Nicolás, Zacatecas)
  • Apollo Silver Announces Chief Financial Officer Transition: Apollo Silver (Cinco de Mayo, Chihuahua)
  • Tocvan Provide Corporate Update: Tocvan Ventures (Gran Pilar, Sonora)
  • Sonoro Gold Announces Management Appointments: Sonoro Gold (Cerro Caliche, Sonora)
  • Goldgroup Files Second Quarter 2026 Financial Results and Provides Update on Combined Company: Goldgroup Mining (San Francisco, Sonora)

ON SOCIAL RESPONSIBILITY

  • No Relevant News

On the image below: stepladder dikelet in northern Sonora. Picture by Jorge Cirett

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

/ gambusinoprospectormexico / Leave a comment

Hydrothermal Breccia

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

By Miguel A Heredia

During the 35th week of the year (August 24 to August 30, 2026), at least 25 press releases were issued by companies operating in Mexico. Of these, six reported production results, six related to deals and corporate matters, six covered resource and development updates, six announced financing activities, and one presented exploration results. ON MEXICO ISSUES, No relevant news. ON EXPLORATION, In Sonora, Tocvan reported new surface exploration results from a target located 4km north of the main Zone at its Gran Pilar project.    ON MINING, Orogen, Sailfish, Guanajuato Silver, Sierra Madre reported Q2, 2026 results. Silverco filed Q2, 2026 financial statements and MD & A and provided corporate update. Heliostar commenced the open pit mining at the Veta Madre in La Colorada mine, Sonora. ON FINANCING, Silver Storm increased the size of its previously announced non-brokered private placement from CAD $7.5M to CAD $15M. Silver Storm closed CAD $14.625M first tranche of non-brokered private placement and announced further upsize up to CAD $21M. Pinnacle extended the closing date of its previously announced non-brokered private placement to September 26, 2026. Algo Grande informed that it has upsized its previously announced non-brokered private placement from CAD $3M to up to CAD $5M. Alamos Gold declared quarterly dividend of USD $0.04 per common share. Centenario closed non-brokered private placement for gross proceeds of USD $1.5M.  ON RESOURCES AND DEVELOPMENT, Silverco Mining provided la Negra mine operations update. GoGold announces the formal commencement of site construction at Los Ricos South in Jalisco.  Minaurum reported drill results from the Europa, Quintera, and San Jose Vein zones as part of its ongoing Phase II, 50,000m resource-expansion drilling program at its Alamos Silver project in Sonora.  First Majestic filed NI43-101 Technical Report for the Los Gatos mine, Chihuahua. Mithril reported drill results from its Copalquin project, Durango.  Mammoth announced that it commenced field activities at its Tenoriba project, Chihuahua. ON DEALS AND CORPORATE ISSUES, Xali announced its participation at the upcoming Moody Capital Solution 2026 Disruptive Growth & Life Sciences Conference, taking place September 9–10, 2026, in New York City. Tocvan closed its purchase agreement with Colibri to acquire the remaining 49% interest in two original Pilar mining concessions, and now holds 100% ownership of its flagship Gran Pilar project in Sonora. Colibri completed the sale of 49% interest in the Pilar project in Sonora for CAD $3.6M plus 1% Net Smelting Royalty. Sonoro Gold acquired a 100% interest in 23 mineral concessions and up to 51% interest in five additional mineral concessions to further expand its Cerro Caliche project in Sonora. Mercado Minerals signed community agreement with Ejido Rincon de Ibonia at its Zamora project, Sinaloa.  Silver Viper announced the resignation of Arthur Freeze as Director of the company, effective August 23, 2026. ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUE

  • No relevant news

ON EXPLORATION  

  • Tocvan Announces New Surface Mineralization in Several Zones at Gran Pilar Gold-Silver Project: Tocvan Ventures Corp

ON MINING

ON FINANCING

ON RESOURCES AND DEVELOPMENT

  • Silverco Mining Provides La Negra Mine Operations Update: Silverco Mining Ltd
  • GoGold Commences Construction of the Fully-Funded Los Ricos South Mine: GoGold Resources Inc
  • Minaurum Significantly Expands Quintera Vein Zone with  26 m of 369 g/t AgEq and Europa Sur Returns 3.4 m of 589 g/t AgEq: Minaurum Silver Inc
  • First Majestic Files NI 43-101 Technical Report for the Los Gatos Silver Mine: First Majestic Silver Corp
  • Mithril Drills Wide, High-Grade Intercepts Confirming 550m Strike with First Systematic Drilling in the Copalquin-Zaragoza Structure at target 4: Mithril Silver and Gold Limited
  • Mammoth Begins Field Activities at its Tenoriba Gold-Silver Property, Mexico: Mammoth Resources Corp

ON DEALS AND CORPORATE ISSUES

  • Xali Gold to Present at the Moody Capital Solutions 2026 Conference: Xali Gold Corp
  • Tocvan Completes Acquisition of Remaining 49% Interest in Original Pilar Concessions, Consolidating 100% Ownership of Flagship Gran Pilar Gold-Silver Project: Tocvan Ventures Corp
  • Colibri Completes Sale of 49% Interest in Pilar for C$3.6 Million Plus 1% NSR: Colibri Resource Corporation
  • Sonoro Gold Completes Acquisition of 23 Mineral Concessions to Further Expand the Cerro Caliche Gold Project: Sonoro Gold Corp
  • Mercado Minerals Signs Community Access and Exploration Agreement with Local Ejido at the Zamora Project: Mercado Minerals Ltd
  • Silver Viper Announces Resignation of Director: Silver Viper Minerals Corp

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, a hydrothermal breccia cemented by specularite in a Cu-Au project in Sonora Mexico. Photo taken by Miguel A Heredia.

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

/ Gambusino Prospector / Leave a comment

By Jorge Cirett

During the 34th week of the year (August 17th to August 23rd, 2026), 24 companies working in Mexico posted press releases. Four companies reported activities on early-stage properties. Six companies presented quarterly reports while one more informed on an illegal blockade. One company announced a financing round. One company filed a technical report, two more companies presented drilling results on advanced properties and one more announced a board appointment. Six companies presented news on deals and corporate issues. ON MEXICO ISSUES, Mexico has lost four years on the development of its lithium industry. ON EXPLORATION, In Sinaloa, Mercado Minerals completed its maiden drill program at Copalito. In Durango, Pinnacle Silver and Gold reported underground drilling results at Potrero; Pacifica Silver obtained a drilling permit for its Claudia project. In Oaxaca, EV Resources further defines antimony bearing veins. ON MINING, Starcore International Mines, Luca Mining, Santacruz Silver, Mining Americas, Impact Silver and Dyna Resource presented quarterly reports. Endeavour Silver informed on an illegal blockade to its Terronera mine in Jalisco. ON FINANCING. Silver Storm Mining announced a C$7.5 M private placement. ON RESOURCES AND DEVELOPMENT, Mithril Silver and Gold filed a technical report on Copalquín, in Durango. Goldgroup Mining released results from drilling at its Don David mine in Oaxaca. Oroco Resource presented its case for an improving permitting process in Mexico. Kingsmen Resources presented drilling results for Las Coloradas, in Chihuahua. ON DEALS AND CORPORATE ISSUES, GR Silver adopted an advance notice policy. Madoro Metals updated on its reverse takeover transaction. Royalties Inc. demanded production evidence from the Cozamín mine in Zacatecas. Vortex Metals made two appointments and informed on a services agreement. Silver Dollar announced AGM results. Newmont announced an appointment to the board.  ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

  • Mexico has lost four years to develop it lithium industry, according to specialists. Lithium -El Imparcial

ON EXPLORATION

  • Pinnacle Provides First Results from Underground Drilling Program at El Potrero; Samples up to 59.2 g/t Au and 424 g/t Ag with Visible Gold: Pinnacle Silver and Gold   (El Potrero, Durango)
  • Mercado Minerals Provides Summary of Copalito Drill Program, Highlights New Renata Vein and Phase II Exploration Plans: Mercado Minerals (Copalito, Sinaloa)
  • Pacifica Silver Secures 491 New Drill Pad Sites and Expands 2026 Drill Program to 30,000 Metres: Pacifica Silver (Claudia, Durango)
  • EV Resources, Four New Antimony Feeder Vein Systems Confirmed at Los Lirios – Resource Expansion Potential: EV Resources (Los Lirios, Oaxaca)

ON MINING

  • Endeavour Silver Reports an Illegal Blockade and Suspension of Operations at its Terronera Mine: Endeavour Silver  (Terronera, Jalisco)
  • Starcore Reports First Quarter Production Results: Starcore International Mines (San Martín, Querétaro)
  • Luca Mining Corp. reports $10.5 Million of Net Earnings in Q2: Luca Mining (Campo Morado, Guerrero)
  • Santacruz Silver Reports Second Quarter 2026 Financial Results: Santacruz Silver (Zimapán, Hidalgo)
  • Mining Americas Reports Q2 2026 Financial and Operating Results: Mining Americas (Santana, Sonora)
  • IMPACT Silver Reports Q2 2026 Results: Revenue Increased by 124%, Gross Profit up 756%on Silver Leverage, Higher Grades: Impact Silver (Plomosas, Chihuahua)
  • Endeavour Silver Provides Update on Blockade at its Terronera Mine: Endeavour Silver (Terronera, Jalisco)
  • DynaResource Reports Q2 2026 Results at the San José de Gracia Mine: DynaResource (San José de Gracia, Sinaloa)
  • Endeavour Silver Announces Removal of Blockade at its Terronera Mine:   Endeavour Silver (Terronera, Jalisco   

ON FINANCING

  • Silver Storm Announces $7.5 Million Non-Brokered Private Placement with Eric Sprott: Silver Storm Mining   (La Parrilla, Durango)

ON RESOURCES AND DEVELOPMENT

  • Mithril Silver & Gold Announces Filing of Technical Report: Mithril Silver and Gold  (Copalquín, Durango)
  • Permitting Progress in Mexico: What It Means for Santo Tomás: Oroco Resource (Santo Tomás, Sinaloa)
  • Goldgroup Reports Selected Drill Results Highlighting Growth Potential at Don David: Goldgroup Mining (Don David, Oaxaca)
  • Kingsmen Drills 1.40 Metres of 433 g/t AgEq (239 g/t Ag) at Las Coloradas, Expanding a High-Grade Silver Zone Open at Depth and Along Strike: Kingsmen Resources (Las Coloradas, Chihuahua)

ON DEALS AND CORPORATE ISSUES

  • GR Silver Adopts an Advance Notice Policy: GR Silver  (Plomosas, Sinaloa)
  • Madoro Metals, Update on Reverse Takeover Transaction: Madoro Metals (Cerro Minas, Oaxaca)
  • Royalties Inc. Escalates Criminal Investigation by Formally Demanding Production Evidence at the Cozamin Mine: Royalties Inc. (Cozamin, Zacatecas)
  • Vortex Metals Engages Global Frontier Advisors and Appoints Ambassador Roberta Jacobson and Ambassador James Story to Advisory Board: Vortex Metals (Riqueza Marina, Oaxaca)
  • Silver Dollar Resources Announces AGM Results and Provides Operational Update: Silver Dollar Resources (La Joya, Durango)
  • Newmont Appoints Peter Beaven to Board of Directors: Newmont Corp. (Peñasquito, Zacatecas)

ON SOCIAL RESPONSIBILITY

  • No Relevant News

On the image below: Deformed dikelet in northern Sonora. Picture by Jorge Cirett