Quartz vein

By Miguel A Heredia

During the 25th week of the year (June 15 to June 21, 2026), at least 39 press releases were issued by companies operating in Mexico and 1 news published by the media. Of these, nineteen related to deals and corporate matters, twelve covered resource and development updates, four announcing financing activities, three presented exploration results, and two addressed Mexican-related issues.  ON MEXICO ISSUES, USA activated USMCA labor mechanism against Newmont Peñasquito in Zacatecas. Regency Silver, Heliostar Metals, Endeavour, IMPACT Silver, Capitan Silver, Oroco, and Mercado Minerals reported the best drilling intercepts in Mexico on the third week of June, 2026. ON EXPLORATION, In Sonora, Regency Silver reported drill results from its Dios padre project. In Sinaloa, Mercado Minerals announced drill results from its Copalito project. In Guerrero, J2 Metals identified three new historic mining workings at its Sierra de Plata project. ON MINING, No relevant news. ON FINANCING, Mexican Gold announced that it plans to complete a non-brokered private placement for gross proceeds of up to CAD $2,250,000. Southern Silver closed the first tranche of a non-brokered LIFE private placement for gross proceeds of CAD $2,200,099.55. Garibaldi updated proposed financing under the LIFE offering exemption. Xali informed that the previously announced non-brokered private placement for gross proceeds of CAD $1M has been fully subscribed.  ON RESOURCES AND DEVELOPMENT, Capitan Silver announced that it intersected high-grade mineralization in multiple holes at Cruz de Plata project, Durango.  IMPACT Silver releases new drill results from its producing Noche Buena mine in the Royal Mines of Zacualpan District, State of Mexico. Zacatecas Silver completed 2,2027m diamond drill program at el Cristo in the Zacatecas Mining District. Vizsla awarded the equipment supply agreement to FLSmidth for the Panuco project, Sinaloa.  Kootenay Silver announced a positive PEA for La Cigarra Silver project in Chihuahua, and later announced a correction. Oroco reported assay results from its Phase 2 resource drilling program at Santo Tomas project, Sinaloa. Heliostar announced drill results from the Veta Madre pit at its La Colorada mine in Sonora, and received the final documentation for the change of use of soils permit for the Veta Madre pit expansion. Southern Silver began infill drilling program at Puro Corazon Target at its Cerro Las Minitas project. Durango. Goldgroup commenced 24,000m diamond drilling at its San Francisco mine in Sonora. Endeavour released positive drill results from its drilling program at Terronera mine, Jalisco. Silver Storm secured permits for the construction of 62 drill pads and 27 access roads from SEMARNAT for its La Parrilla Mine Complex in Durango. ON DEALS AND CORPORATE ISSUES, Aztec Minerals confirmed that it amended the investor relation agreement with Redwood Empire Financial Communications to clarify that the 300,000 stock options granted to the Consultant are exercisable at a price of CAD $0.25 per share for a period of five years from the date of grant.  Colibri provided an update on the acquisition of an additional 10% interest in its Diamante project, and the disposition of its 50% interest in the Jackie project to Silver Spruce, both located in Sonora. Goldgroup closed the purchase of San Francisco mine in Sonora, by acquiring 100% of the Molimentales Del Noroeste S.A., de C.V. Vizsla Royalties filed the notice of special meeting to approve arrangement with Elemental Royalty. Minera Alamos received conditional approval to graduate to list its common shares on the Toronto Stock Exchange. Elemental Royalty announced inclusion in Russell 3000, Russell 2000, and S&P/TSX Global Gold Index. Orla Mining reported voting results of its annual shareholders’ meeting. Radius Gold announced a strengthening of its leadership team to support next phase of growth.  Starcore qualified to trade on OTCQX under the symbol “SHVLF”. Riverside appointed Marco Strub as an independent Director of the company, effective immediately. Torex Gold reported voting results of its 2026 meeting of shareholders.  Guanajuato Silver accelerated partial repayment of the company´s gold loan with Ocean Partners UK Ltd.  Elemental Royalty published its 2026 assets handbook and announced new corporate website. Aura announced that its Board of Directors approved the repurchase of its common shares and Brazilian Depositary Receipts.  Goldflare entered into a non-binding letter of intent with Quitovac Gold Holdings LLC and Minera Granite S.A. de C.V., to acquire all the issued and outstanding shares of Granite, the legal owner of the Quitovac Gold project in Sonora.  Elemental Royalty declared quarterly dividend. Newmont announced key appointments for the next phase of delivery. Regency Silver invited investors to life webinar to review 2025/2026 drill results at the Dios Padre project in Sonora. VVC announced the resignation of Bruno Dumais as Director. ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUES

• EUA activa mecanismo laboral del T-MEC contra Newmont Peñasquito en Zacatecas: USA
• Regency Silver Corp, Heliostar Metals Ltd, Endeavour Silver Corp, IMPACT Silver Corp, Capitan Silver Corp, Oroco Resource Corp, and Mercado Minerals Ltd reported the best drilling intercepts in Mexico on the third week of June, 2026. Details are shown in the table below:

• Mexico´s Best Drilling Intercepts, Third Week of June, 2026: Gambusino Prospector de México

ON EXPLORATION  

• Regency Silver Corp. Intercepts High Grade Mineralization in Step-Out Drilling at the Dios Padre Project, Sonora, Mexico: 5.06 g/t Gold, 41.85 g/t Silver and 1.10% Copper over 36.35 Metres: Regency Silver Corp
• Mercado Minerals Intersects 1.20 Metres of1120 g/t Silver Equivalent Within 3.50 Metres of 686 g/t Silver Equivalent at El Agua Vein Copalito Project: Mercado Minerals Ltd
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• J2 Metals Identifies Three New Historic Mining Workings at its Sierra Plata Project, Zacualpan-Taxco District, Mexico: J2 Metals Inc

ON MINING

• No relevant news.

ON FINANCING

• Mexican Gold Announces Subscription Receipt Financing and Loan to Alcon Silver in Connection with Arrangement: Mexican Gold Mining Corp
• Southern Silver Closes First Tranche of Previously Announced Non-Brokered LIFE Private Placement: Southern Silver Exploration Corp
• Garibaldi Announces Update on LIFE Offering: Garibaldi Resources Corporation
•  Xali Gold Private Placement Fully Subscribed: Xali Gold Corp

ON RESOURCES AND DEVELOPMENT

• Capitan Silver Intersects 1,071 g/t Silver Equivalent over 2.0 Metres, Within a Wider Interval of 15.8 Metres of 250 g/t Silver Equivalent at the Cruz De Plata Project: Capitan Silver Corp
• IMPACT Silver Intersects 1,333 g/t Silver over5.72m on Carlos Pacheco Vein Extension at Noche Buena Mine: IMPACT Silver Corp
• Zacatecas Silver Completes 2,027 Metre Diamond Drilling Program at El Cristo, Intersecting Multiphase Silver-Base Metal Veins Across 19 Holes — Assays Pending: Zacatecas Silver Corp
• Vizsla Silver Awards Equipment Supply Agreement for Panuco: Vizsla Silver Corp
• Kootenay Silver Announces Positive PEA with a US$763 Million After-Tax NPV & 41% IRR for La Cigarra Silver Project: Kootenay Silver Inc
• Kootenay – Correction: Kootenay Silver Inc 1
• Oroco Increases South Zone Certainty at Santo Tomás: Oroco Resource Corp  
• Heliostar Set to Expand La Colorada with Strong Drill Results and Key Permits: Heliostar Metals Ltd
• Southern Silver Initiates Infill Drilling on the Puro Corazon Target, Cerro Las Minitas Project, Durango Mexico: Southern Silver Exploration Corp
• Goldgroup Commences 24,000m Diamond Drilling Program at san Francisco Gold Project: Goldgroup Mining Inc
• Endeavour Silver Intersects High-Grade Silver and Gold Mineralization at its Terronera Operation: Endeavour Silver Corp
• Silver Storm Receives La Parrilla Mine Surface Drilling Permits: Silver Storm Mining Ltd

ON DEALS AND CORPORATE ISSUES

• Aztec Minerals Confirms Terms of Previously Announced Stock Option Grant: Aztec Minerals Corp
• Colibri Provides Update on Diamante Project Acquisition and Jackie Project Disposition: Colibri Resource Corporation
• Goldgroup Closes Purchase of the San Francisco Gold Mine Acquiring 100% of Molimentales del Noroeste, S.A. DE C.V.: Goldgroup Mining Inc
• Vizsla Royalties Announces Filing and Mailing of Meeting Materials to Approve Arrangement with Elemental Royalty: Vizsla Royalties Corp
• Minera Alamos Announces Conditional Approval to Graduate to the Toronto Stock Exchange: Minera Alamos Inc
• Elemental Royalty Announces Inclusion in Russell 3000, Russell 2000 and S&P/TSX Global Gold Index: Elemental Royalty Corporation
• Orla Mining Reports Voting Results of Annual Shareholder Meeting: Orla Mining Ltd
• Radius Gold announces leadership transition to support next phase of growth: Radius Gold Inc
• Starcore Starts Trading on OTCQX: Starcore International Mines Ltd
• Riverside Resources Appoints Marco Strub as New Director and Announces Results Annual General Shareholders Meeting: Riverside Resources Inc
• Torex Gold Announces Results of its 2026 Meeting of Shareholders: Torex Gold Resources Inc
• Guanajuato Silver Takes Advantage of Favourable Pricing to Further Accelerate Gold Loan Repayment: Guanajuato Silver Company Ltd
• Elemental Royalty Announces Publication of 2026 Asset Handbook and New Corporate Website: Elemental Royalty Corporation
• Aura Minerals Announces Repurchase Program: Aura Minerals Inc
• Goldflare Announces Proposed Reverse Takeover with Quitovac Gold Holdings, LLC Involving the Quitovac Gold Project, Sonora, Mexico: Goldflare Exploration Inc
• Elemental Royalty Declares Quarterly Dividend and Continues “In Kind” Dividend Xaut Token Payment Alternative for Shareholders: Elemental Royalty Corporation
• Newmont Announces Key Appointments for the Next Phase of Delivery: Newmont Corporation
• Regency Silver Corp. Invites Investors to Live Webinar to Review 2025/2026 Drill Results at the Dios Padre Project: Regency Silver Corp
• VVC Exploration Corporation Announces Director Resignation: VVC Exploration Corporation

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 vein from a low-sulphidation epithermal vein system in a project in Chihuahua, Mexico. Photo taken by Miguel A Heredia.