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The Mining and Exploration News in Mexico: Highlights on the Third Week of May, 2026

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Quartz Vein Displaying Boiling Texture

By Miguel A Heredia

During the 21st week of the year (May 18 to May 24, 2026), at least 31 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, five addressed Mexican-related issues, four covered resource and development updates, three reported production results, three presented exploration results, three announced financing activities, and two discussing social issues.  ON MEXICO ISSUES, Almaden provided an update to the international arbitration proceedings under the Comprehensive and Progressive Agreement for Trans-Pacific Partnership with the United Mexican States. The Federal Mexican Government, through the Secretariat of Economy eliminates one procedure and simplifies 42 for mining investment. Sierra Madre received approval from the the Comisión Federal de Competencia Económica (COFECE) for the acquisition of the Del Toro Silver mine in Zacatecas. Mexican courts ruled that Capstone Copper owes unpaid royalties to Minera Portree de Zacatecas, S.A. de C.V (Royalties Inc) since 2019 on the Cozamin Mine, Zacatecas. Oroco and GR Silver reported the best drilling intercepts in Mexico on the third week of May, 2026. ON EXPLORATION, In Sonora, Masivo Silver informed that it completed its Phase 1 drill program at Cerro Colorado project, which consisted of seven holes totaling 1,601m, and JV Questcorp-Riverside reported that they have completed an expanded  aeromagnetic drone survey at the La Union project. ON MINING, IMPACT Silver and Sierra Madre reported Q1, 2026 operational and financial results. Starcore reported production and financial results for the four fiscal quarter ended April 2026. ON FINANCING, Vortex notified further extension of its previously announced non-brokered private placement. Sonoro Gold announced a non-brokered private placement for gross proceeds of CAD $10M. Kootenay informed that it intends to complete a non-brokered private placement for gross proceeds of up to CAD $500K. ON RESOURCES AND DEVELOPMENT, GR Silver released the best ever drill results at its San Marcial project in Sinaloa in hole SMS26-04, which intersected 45.1 m of 1,623 g/t Ag, Including 8.25 m of 8,579 g/t Ag,. Oroco reported drill results from its Santo Tomas project in Sinaloa. Silverco filed a NI 43-101 Technical Report for its Cusi mine, Chihuahua. Silver Storm released drill results from the C550 and C535 Zones within its Parrilla mine complex in Durango, and expands its 2026 drilling campaign by 9,000m.  ON DEALS AND CORPORATE ISSUES, Alamos Gold announced multiple management appointments, further strengthening its senior leadership team. Torex Gold announced the appointment of Dan Rollins as Chief Financial Officer. Minera Alamos has provided its notice of intent to exercise its option to repurchase a portion of the net smelter return royalty equal to 0.75% on the Cerro de Oro project located in northern Zacatecas. Vizsla appointed Dave D ´Antonio as Senior Vice President of Technical Services. Silver Spruce granted stock options to certain directors, officers, employees and consultants. Silverco completed its previously announced acquisition of Nuevo Silver Inc. Silver Tiger announced that the Toronto Stock Exchange has approved the listing of the Company’s common shares for trading on the TSX. Vizsla Silver appointed Guillermo Hernandez as Vice President Exploration and promotes Jesus Velador as Chief Geologist. GR Silver announced a celebration of Life for founder Márcio Fonseca. Silver Wolf announced adoption to semi-annual financial reporting. Americas Gold and Silver reached an agreement with Sprott Mining to terminate the remaining obligation under the existing Silver Delivering Agreement in exchange for shares of the company. GR Silver provided a corporate update following the exceptional drill results at San marcial within its Plomosas project, Sinaloa.  ON SOCIAL RESPONSIBILITY, Aura Minerals announced its 2025 Sustainability Report promoting safety, responsibility, sustainability, and innovation, prepared in with reference to Global Reporting Initiative standards. Heliostar published its inaugural Sustainability Report covering the 2025 fiscal year.

ON MEXICO ISSUES

  • Almaden Provides Update on Arbitration Process with Mexico Increased Damages Award Presented: Almaden Minerals Ltd
  • Federal Government Eliminates One Procedure and Simplifies 42 for Mining Investments:   Chihuahua al Día – Noticias
  • Mexican Courts Rule That Capstone Copper Owes Unpaid Royalties Since 2019 on the Cozamin Mine-Pending Amparo: Royalties Inc
  • Sierra Madre Receives Mexican Antitrust Approval for the Acquisition of the Del Toro Mine: Sierra Madre Gold and Silver Ltd
  • Oroco Resource Corp., and GR Silver Mining Ltd reported the best drilling intercepts in Mexico on the third week of May, 2026. Details are shown in the table below:

ON EXPLORATION  

ON MINING

ON FINANCING

ON RESOURCES AND DEVELOPMENT

  • GR Silver Reports Its Best Ever Drill Results at San Marcial: 45.1 m at 1,623 g/t Ag, Including 8.25 m at 8,579 g/t Ag, in Hole SMS26-04: GR Silver Mining Ltd
  • Oroco Intersects 228 m of 0.49% CuEq and 212 m of 0.44% CuEq at Santo Tomás: Oroco Resource Corp
  • Silverco Mining Files NI 43-101 Technical Report for the Cusi Project PEA: Silverco Mining Ltd
  • Silver Storm Demonstrates Resource Growth Potential at the C550 Zone, Expands the 2026 drilling campaign by 9,000m: Silver Storm Mining Ltd

ON DEALS AND CORPORATE ISSUES

ON SOCIAL RESPONSIBILITY

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 vein displaying boiling texture in a project in Sonora, Mexico.  Photo taken by Miguel A Heredia.

The Mining and Exploration News in Mexico; Highlights on the Second Week of May 2026

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By Jorge Cirett

During the 20th week of the year (May 11th to May 17th, 2026), companies working in Mexico released 39 press releases. Two companies informed on early-stage property work and ten companies presented quarterly reports. Two companies adopted semi-annual reporting, one company declared a dividend, one more repaid a loan, and one other closed a private placement while one more granted stock options. Three companies released drill results on their advanced projects, and one more updated the technical report on a property. Five companies announced appointments and officers changes, one company is acquiring more ground, two mid-tier companies announced their merger, one company reported its AGM results, and the acquisition of a royalty company was announced. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, in Sonora, Tocvan Ventures reported continued drilling and exploration at Gran Pilar. In Chihuahua, Kingsmen Resources completed topographic surveys at Las Coloradas and Almoloya.  ON MINING, Orla Mining, First Majestic, Altius Minerals, Heliostar Metals, Osisko Development, Elemental Royalty, Discovery Silver, Americas Gold and Silver, Avino Silver & Gold Mines, Santacruz Silver and Golden Minerals reported quarterly results. ON FINANCING Silver Viper and Regency Silver adopted semi-annual reporting. Coeur Mining reported a dividend. Heliostar Metals granted stock options. Guanajuato Silver repaid a gold loan. J2 Metals closed the second tranche of a private placement for C$356 K in gross proceeds.  ON RESOURCES AND DEVELOPMENT, Goldgroup updated the technical report on the San Francisco mine in Sonora. Capitan Silver released results from drilling at Cruz de Plata in Durango. Defiance Silver announced drilling results from its Zacatecas project in Zacatecas. Mithril Silver and Gold provided assay results from drilling at the Target 1 of its Copalquin project in Durango. ON DEALS AND CORPORATE ISSUES, Oroco Resource, Minera Alamos, Vizsla Silver, Regency Silver and Goldgroup announced appointments to the board. Sonoro Gold signed a LOI on the acquisition of adjacent ground at Cerro Caliche, in Sonora. Equinox Gold and Orla Mining announced their merger. Altius Minerals presented results of its AGM. Elemental Royalty is to acquire Vizsla Royalties. Minera Alamos is to change name to Mining Americas. ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUES

  • No relevant news

ON EXPLORATION

  • Tocvan Accelerates Gran Pilar: 5,000+ Meters Drilled to Date, Historic Workings Discovered on South Block, Pilot Progresses: Tocvan Ventures  (Gran Pilar, Sonora)
  • Kingsmen Completes 60 km² Precision Satellite Topographic Surveys at Las Coloradas and Almoloya, Advancing Drill Targeting Across the High-Grade Parral Silver-Gold District, Chihuahua, Mexico: Kingsmen Resources (Las Coloradas, Chihuahua)
  • Tocvan Announces New surface Gold-Silver Results, Outlining New Target 3 Kilometers East of Main Zone at Gran Pilar Gold-Silver Project: Tocvan Ventures (Gran Pilar, Sonora)

ON MINING

  • Orla Mining Reports First Quarter 2026 Financial Results: Orla Mining (Camino Rojo, Zacatecas)
  • First Majestic Announces Q1 2026 Financial Results and Increased Quarterly Dividend Payment; Provides Management Updates: First Majestic Silver (San Dimas, Sinaloa)  
  • Altius Reports Q1 2026 Attributable Royalty Revenue of $26.8M and Adjusted Earnings(1) of $5.4M: Altius Minerals (royalty on Cuale, Jalisco)
  • Heliostar Presents Record Q1 2026 Financial and Operating Results: Heliostar Metals (Ana Paula, Guerrero)
  • Osisko Development Reports First Quarter 2026 Results: Osisko Development (sold San Antonio, Sonora)
  • Elemental Royalty Announces Record Quarterly Revenue and Adjusted EBITDA Elemental Royalty (royalty on Mercedes, Sonora)
  • Discovery Silver Reports Solid Earnings and Cash Flow in Q1 2026: Discovery Silver (Cordero, Chihuahua)
  • Americas Gold and Silver Reports Record Production and Sales in Q1 2026 as Execution on the Growth Plan Continues at Galena:  Americas Gold and Silver (Cosalá, Sinaloa)
  • Avino Delivers Record Q1 2026 Financial Results: Avino Silver & Gold Mines (Avino, Durango)
  • Santacruz Silver Reports First Quarter 2026 Financial Results: Santacruz Silver (Zimapán, Hidalgo)
  • Golden Minerals Reports First Quarter 2026 Financial Results: Golden Minerals (sold Velardeña, Durango)

ON FINANCING

  • Silver Viper Announces Adoption of Semi-Annual Reporting: Silver Viper Minerals   (Cerro Caliche, Sonora)
  • Heliostar Grants Options and RSUs under its Omnibus Equity Incentive Compensation Plan: Heliostar Metals (Ana Paula, Guerrero)
  • Coeur Declares Inaugural Dividend: Coeur Mining (Palmarejo, Chihuahua)
  • Guanajuato Silver Accelerates Gold Loan Repayment: Guanajuato Silver (El Cubo, Guanajuato)
  • J2 Metals Inc. Announces Closing of Flow-Through Private Placement: J2 Metals (Sierra Plata, Estado de México)
  • Regency Silver Adopts Semi-Annual Reporting and Stock Option Grants: Regency Silver (Dios Padre, Sonora)

ON RESOURCES AND DEVELOPMENT

  • Goldgroup Files Updated Technical Report on San Francisco Gold Project: Gold Group Mining (San Francisco, Sonora)
  • Capitan Silver Intersects 935 g/t Silver Equivalent over 1.3 Metres, Within a Wider Zone of 157 g/t Silver Equivalent over 20.0 Metres at the Cruz De Plata Project: Capitan Mining (Cruz de Plata, Durango)
  • Defiance Silver Drilling Returns up to 356 g/t Ag and 2.15 g/t Au in Additional Silver and Gold Structures: Defiance Silver (Zacatecas Project, Zacatecas)
  • Mithril Drills 7.00 g/t Gold, 370 g/t Silver Over 9.65 m Including 30.7 g/t Gold, 1,780 g/t Silver Over 0.5 m at Target 1, Copalquin: Mithril Silver and Gold (Copalquín, Durango)

ON DEALS AND CORPORATE ISSUES

  • Oroco Resource Corp. Appoints New CEO: Oroco Resource (Santo Tomás, Sinaloa)
  • Minera Alamos Strengthens Board and Management Team and Proposes Name Change to Mining Americas Inc.: Minera Alamos (Santana, Sonora)
  • Sonoro Gold Announces Letters of Intent to Acquire Adjacent Mineral Concessions to Further Expand the Cerro Caliche Gold Project: Sonoro Gold  (Cerro Caliche, Sonora)
  • Vizsla Silver Announces Change of Corporate Secretary: Vizsla Silver (Panuco, Sinaloa)
  • Equinox Gold and Orla Mining Combine to Create North America’s New Senior Gold Producer: Built to Grow, Built to Last: Orla Mining (Camino Rojo)
  • Equinox Gold and Orla Mining Combine to Create North America’s New Senior Gold Producer: Built to Grow, Built to Last: Equinox Gold (Los Filos, Guerrero)
  • Altius Reports Voting Results From its May 13, 2026 Annual and Special Meeting:  Altius Minerals (royalty on Cuale, Jalisco)
  • Elemental Royalty to Acquire Vizsla Royalties, Securing Long-Life Royalty Exposure to the Panuco Silver-Gold Project: Elemental Royalty (royalty on Mercedes, Sonora)
  • Vizsla Silver appoints Former Senior Mexican Government Mining Official as Vice President, Government Relations: Vizsla Silver (Panuco, Sinaloa)
  • Regency Silver Corp. (TSXV: RSMX) Appoints Private Equity Fund Manager Alejandro Sucre to Board of Directors: Regency Silver (Dios Padre, Sonora)
  • Goldgroup Announces Nominees to Board in Connection with Proposed Business Combination with Gold Resource Corporation and Amends Arrangement Agreement: Goldgroup Mining (Cerro Prieto, Sonora)

ON SOCIAL RESPONSIBILITY

  • No Relevant News

On the image below: Epithermal quartz veining and pyrite in volcanosedimentary rocks, HQ core. Picture by Jorge Cirett.

The Mining and Exploration News in Mexico: Highlights on the First Week of May, 2026

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By Miguel A Heredia

During the 19th week of the year (May 4 to May 10, 2026), at least 27 press releases were issued by companies operating in Mexico. Of these, twelve related to deals and corporate matters, eight reported production results, three presented exploration results, two covered resource and development updates, one addressed Mexico-related issues, and one announced financing activities.  ON MEXICO ISSUES, Orla Mining announced steps it has taken to protect labour rights at its Camino Rojo mine in Zacatecas. ON EXPLORATION, In Sonora, Riverside reported high-grade gold, silver, and base metals assays from Phase 2 Field Work at La Union Project. In Durango, Pinnacle commenced an underground delineation drilling program at its El Potrero project, and Capitan Silver received final interpretative products and reports from its property-wide Airborne Magnetotelluric geophysical survey conducted at its Cruz de Plata project.  ON MINING, Aura, Endeavour, GoGold, Pan American Silver, Torex Gold, Gold Resource, and Gold Royalty reported Q1, 2026 financial and operational results. Discovery Silver announced that it will release its Q1, 2026 financial and operational results on May 14, 2026. ON FINANCING,  Silver Spruce announced extension of non-brokered private placement.  ON RESOURCES AND DEVELOPMENT, Luca Mining released assay results from its ongoing 2026 drilling program at the Tahuehueto mine in Durango. Sonoro announced that it will be completing a two-phased exploration campaign at its flagship Cerro Caliche project in Sonora, including 50,000m of RC drilling, as well as soil and rock sampling programs. ON DEALS AND CORPORATE ISSUES, Angel Wings has undertaken a strategic review of all of its properties, to identify a suitable joint venture partner for its prospective La Reyna project. Aura declared dividend of USD $0.78 per common share based on Q1, 2026 results. Heliostar announced the appointment of Dennis Wilson as Vice President, Health, Safety, Environment, and Sustainability, and Hernan Dorado as Vice President of Operations.  Orogen announced the appointment of Chad Wells to the Board of Directors. Silver Viper completed acquisition of Coneto project, Durango. Orex completed sale of Coneto project, Durango to Silver Viper. Silver Spruce announced Change to Director Slate for its annual general and special meeting of shareholders and reported voting results. Pan America Silver and Torex Gold announced an enhanced shareholder return in 2026 through a combination of dividends and common share repurchases, including capital return. Capitan Silver reported voting results from its annual general and special meeting of shareholders, and adopted a shareholder rights plan and a 10% fixed omnibus equity incentive plan.  Radius Gold announced the adoption of semi-annual financial reporting. ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUES

  • Orla Mining Takes Action to Protect Labour Rights at Camino Rojo: Orla Mining Ltd

ON EXPLORATION

  • Riverside Resources Reports High-Grade Gold, Silver and Base Metal Assays from Phase 2 Field Work at La Union Project: Riverside Resources Inc
  • Pinnacle Commences Underground Delineation Drilling Program at El Potrero: Pinnacle Silver And Gold Corp
  • Capitan Silver Receives Final Results from Airborne Geophysics Program for the Cruz De Plata Project: Capitan Silver Corp.

ON MINING

ON FINANCING

ON RESOURCES AND DEVELOPMENT

  • Luca Intersects 6.8 Metres of 5.5 g/t Gold Equivalent at Tahuehueto Mine – Further Expanding High-Grade Mineralization Proximal to Existing Workings: Luca Mining Corp
  • Sonoro Gold Commences 50,000 meter Drilling Program: Sonoro Gold Corp

ON DEALS AND CORPORATE ISSUES

  • Angel Wing Sells Ontario Quartz Lake Claims to Kenorland, Advances Corporate Strategy: Angel Wing Metals Inc
  • Aura Declares Dividend of US$0.78 Per Share and US$0.26 Per BDR Based on Q1 2026 Results, Resulting in a Dividend Yield of 4.5% in the LTM: Aura Minerals Inc
  • Heliostar Announces Addition to Management Team and Ana Paula Focused Reorganization: Heliostar Metals Ltd
  • Orogen Royalties Appoints Mr. Chad Wells to the Board of Directors: Orogen Royalties Inc
  • Silver Viper Minerals Completes Sale of the Coneto Silver-Gold Project: Silver Viper Minerals Corp
  • Orex Minerals Inc. Completes Sale of Coneto Silver-Gold Project to Silver Viper Minerals: Orex Minerals Inc
  • Silver Spruce Resources Inc. Announces  Change to Director Slate for Annual General and Special Meeting of Shareholders: Silver Spruce Resources Inc
  • Silver Spruce Resources Inc. Announces Results of Annual and Special Meeting of Shareholders: Silver Spruce Resources Inc
  • Pan American Silver Targets Up to $1 Billion in Shareholder Returns in 2026 Through Enhanced Shareholder Return Framework: Pan American Silver Corp
  • Torex Gold Reports Enhanced Return of Capital Program: Torex Gold Resources Inc
  • Capitan Silver Announces Annual General and Special Meeting and Adoption of Omnibus Equity Incentive Plan and Shareholder Rights Plan: Capitan Silver Corp
  • Radius Gold Adopts Semi-Annual Financial Reporting: Radius Gold Inc

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 rhyolite flow of the Upper Volcanic Supergroup of the Sierra Madre Occidental in Chihuahua, Mexico.  Photo taken by Miguel A Heredia.

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

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Quartz blade texture

By Miguel A Heredia

During the 15th week of the year (April 6 to April 12, 2026), at least 21 press releases were issued by companies operating in Mexico, along with one news article published by the media. Of these, five related to deals and corporate matters, five reported production results, four presented exploration results, three addressed Mexico-related issues, three announced financing activities, and two covered resource and development updates. ON MEXICO ISSUES, Vizsla provided an update on the situation in Concordia, Sinaloa, confirming that nine colleagues have been found deceased and one remains still missed. Mithril reported an incident where their CEO and two employees experienced on-ground gunfire damage to their plane while flying near Chihuahua, about 30 km from their Copalquin project site in Durango. Rescue operations continue amidst extreme conditions at the Santa Fe mine located in the Municipality of El Rosario, Sinaloa. Last April 8th, authorities reported the successful rescue of a second miner found alive and confirmed the discovery of a third worker who had perished, while the search persists for the final miner who remains trapped. ON EXPLORATION, In Sonora, Tocvan mobilized a second RC drill rig to its flagship Gran Pilar Gold-Silver Project, to accelerate their fully funded 20,000m drilling program by enabling parallel testing of multiple high-priority targets, primarily in the South Block area, and Masivo Silver completed and extended its first diamond drill hole (CC-26-001) at its Cerro Colorado project, intersecting a significant 35.1m interval of visible mineralization characterized by quartz veinlets and sulphide minerals such as pyrite, sphalerite, freibergite, galena, and minor chalcopyrite, accompanied by a strong sericite -smectite alteration.  In Chihuahua, Kingsmen acquired 100% interest in the Claudia 2 mining concession, free of any royalty, at its Las Coloradas project.  In Durango, Mithril released drill results from its Copalquin project, confirming high grade and widespread silver and gold at Target 3. ON MINING, Endeavour Silver reported Q1, 2026 results from their Mexican operations. Aura announced preliminary Q1, 2026 production results from its Aranzazu mine in Zacatecas. First Majestic reported Q1, 2026 production results from their underground mines in Mexico.  Teck informed that it plans to release Q1, 2026 results on April 23, 2026. Torex Gold reported Q1, 2026 AuEq production of 100,874 Oz and AuEq sales of 109,222 Oz. ON FINANCING, Avino announced its intention to make a Normal Course Issuer Bid to repurchase, for cancellation up to an aggregate of 8,428,566 common shares. Sonoro Gold announced a private placement for gross proceeds of CAD $11M. Vortex Minerals closed the first tranche of its previously announced non-brokered private placement for gross proceeds of CAD $479,900. ON RESOURCES AND DEVELOPMENT, Heliostar drilled 101m of 5.34 g/t Au in the Ana Paula Expansion Zone in Guerrero; to date, it has completed 84 holes and 28,318m as part of its ongoing 2025-26 drill program at Ana Paula project. Orogen Royalties, which holds a cash-flowing 2% net smelter return royalty at Ermitaño—a property operated by First Majestic in Sonora—announced an updated Mineral Reserve and Resource Estimate.  ON DEALS AND CORPORATE ISSUES, Mexican Gold appointed Holgren Lai as Chief Financing Officer of the company. Torex Gold announced the appointment of Jacques Perron to its Board of Directors. Mexican Gold and Alcon entered into an arrangement agreement to create a diversified precious metals exploration company. Pacifica Silver informed that it has adopted a semi-annual financial reporting, effective immediately. Sonoro Gold acquired a 100%binterest in the Diana mining concession, located adjacent to the central-eastern boundary of its Cerro Caliche project in Sonora. ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUES

ON EXPLORATION

  • Tocvan Announces Addition of Second Drill Rig and Accelerates High Priority Drill targets at Flagship Gran Pilar Gold-Silver Project: Tocvan Ventures Corp
  • Masivo Silver Extends and Completes First Hole at Cerro Colorado Project: Masivo Silver Corp
  • Kingsmen Acquires 100% Ownership of the Claudia 2 Claim, Adding Never-Drilled Saddle target and District-Scale Extension to Las Coloradas Silver-Gold Project: Kingsmen Resources Ltd
  • Mithril Confirms High-Grade and Widespread Silver and Gold at target 3, Copalquin Project: Mithril Silver and Gold Limited

ON MINING

ON FINANCING

  • Avino Announces Normal Course Issuer Bid for common shares: Avino Silver & Gold Mines Ltd
  • Sonoro Gold Announces Fully-Committed $11 Million Private Placement & 50,000 METER Drilling Program: Sonoro Gold Corp
  • Vortex Metals Closes First Tranche of Non-Brokered Private Placement and Announces Warrant Extension: Vortex Metals Inc

ON RESOURCES AND DEVELOPMENT

  • Heliostar Drills 101 Metres Grading 5.34 g/t Gold in the Ana Paula Expansion Zone: Heliostar Metals Ltd
  • Orogen Royalties Announces Mineral Reserve and Resource Update on Producing Ermitaño Royalty: Orogen Royalties Inc
  • Sonoro Gold Announces Further Expansion of Cerro Caliche Gold Property: Sonoro Gold Corp

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, quartz vein displaying boiling texture in a low-sulphidation epithermal vein system in Guanajuato, Mexico. Photo taken by Miguel A Heredia.

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

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By Miguel A Heredia

During the 13th week of the year (March 23 to March 29, 2026), at least 20 press releases were issued by companies operating in Mexico, along with one news article published by the media. Of these, eight related to deals and corporate matters, four reported production results, three covered resource updates and project development, three presented exploration results, two addressed Mexico-related issues, and one announced financing activities. ON MEXICO ISSUES, The Supreme Court of Justice of the nation (SCJN) upholds the reform to the Mining Law, which designates lithium as a strategic resource exclusive to the State and prohibits private concessions by dismissing challenges filed against it. Silver Viper reported the best drilling intercepts in Mexico on the fourth week of March, 2026. ON EXPLORATION, In Zacatecas, Zacatecas Silver received the drill permit from SEMARNAT for the El Cristo Vein System, to support its 2026 drilling program aimed at increasing existing silver resources at the Zacatecas Silver project, announced arrival of drill rig and drilling crew, and released assay results for 124 rock-chip samples from El Cristo Vein System. ON MINING, Torex Gold reported year-end 2025 reserves and resources for its flagship Morelos Complex in Guerrero, as well as for its Los Reyes project in Sinaloa. Orogen announced preliminary and unaudited financial results for Q4, and year ended December 31, 2025. EV Resources has announced its transition from exploration to near-term production at the Tecomatlán plant in Puebla, where refurbishment work on the grinding circuit has commenced. Osisko reported Q4 and year-end 2025 results, and informed that it sold its interest in the San Antonio Gold project in Sonora to Axo Copper Corp.  ON FINANCING, Coeur Mining Inc.,initiated a private exchange offer for holders of New Gold´s 6.875% senior notes due 2032. The exchange offer involves USD $400M in New Gold notes swapped for up to USD $400M in Coeur´s new notes plus cash. ON RESOURCES AND DEVELOPMENT, Silver Viper and Orex released drill results from its El Rubi-Virginia project in Sonora. Pan American reported the results of a revised Preliminary Assessment Evaluation (PEA) for its la Colorada mine in Zacatecas. ON DEALS AND CORPORATE ISSUES, Guanajuato Silver., appointed David Paxton to its Board of Directors, effective immediately, announced the filing of a NI 43-101 technical report for a new mineral resource estimate for its Valenciana Mine Complex in Guanajuato, and granted stock options to directors, officers, employees, and consultants. Silverco announced the appointments of George Paspalas as Advisor, Tara Hassan as Executive Vice President, and Victoria Avila as Senior Vice President Corporate Affairs, and Finance, and granted stock options and restricted share units to certain directors, officers, and advisors.  Sierra Madre reported that it has repaid USD $2.5M of the USD $5M non-revolving, secured term loan between First Majestic and the company. Capitan Silver announced that it will commence trading on the OTCQX market under symbol “CAPTF”. GR Silver informed the sudden passing of President, CEO, and Founder Márcio Fonseca. Alamos Gold filed its annual information form and 2025 annual report on Form-40, including its audited financial statement for the year ended December 31, 2025. GoGold announced annual results from its annual general meeting of shareholders. Regency Silver appointed Raj Chowdry and Frank Cordova to the Board of Directors, effective immediately, and thanked outgoing directors Michael G. Thomson and Patrick Elliott for their contributions to the Company. ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUES

  • The Supreme Court of Justice of the Nation (SCJN) upholds Mining Law Reform; Lithium Exploitation to Be Exclusive to the State: El Financiero
  • Silver Viper Minerals Inc, reported the best drilling intercepts in Mexico on the fourth week of March, 2026. Details are shown in the table below:

ON EXPLORATION

ON MINING

  • Torex Gold Reports Year-End 2025 Reserves & Resources: Torex Gold Resources Inc
  • Orogen Reports Record 2025 Financial Performance and Positions for Continued Growth in 2026: Orogen Royalties Inc
  • EV Resources Limited Fast Tracks First Mover Advantage in Antimony Production with Tecomatlán Plant Refurbishment Underway: EV Resources Limited 
  • Osisko Development Reported Fourth Quarter and Year-End 2025 Results:   Osisko Development Corp

ON FINANCING

  • Coeur Mining  announces Commencement of Exchange Offer and Consent Solicitation for New Gold Senior Notes: coeur mining inc 

ON RESOURCES AND DEVELOPMENT

  • Silver Viper hits 11.70 M @ 9.18 G/T Au And 352.0 G/T Ag Including 0.50 M @ 183.50 G/T Au And 6,850 G/T Ag While Infill Drilling At El Rubi And Expands The 5,000 M Drill Program At La Virginia Project In Sonora Mexico:  Silver Viper Minerals Inc
  • Orex Minerals Highlights Silver Viper’s High-Grade Drill Results at La Virginia, Sonora, Mexico: Orex Minerals Inc
  • Pan American Announces revised PEA for the La Colorada Skarn Project, Positioning La Colorada as a future Top-tier Silver Mine: Pan American Silver Corp

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, HQ core showing a hydrothermal breccia/ vein in an intermediate sulphidation epithermal system in Chihuahua, Mexico. Photo taken by Miguel A Heredia.