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

By Jorge Cirett

During the 24th week of the year (June 8th to June 14th, 2026), 26 companies working in Mexico posted press releases. Three companies informed about early-stage property work and one company poured its first doré. Two companies joined an additional Index, one company announced a normal course issuer bid, one more announced a dividend, and another the closing of a private placement. One company secured construction permits for an underground mine, one more announced the arrival of another drilling rig, two companies released drill results on their advanced projects, and another one announced a fatality on an advanced project. Nine companies presented deals and corporate issues. ON MEXICO ISSUES, LitioMx was obliged to present information on its budget and exploration activities after the institution had reject to do so on grounds of National Security (the preferred method applied by the actual and past federal administrations to evade the obligation to disclose information). The US$0.81 M annual budget was 97% applied on salaries for 17 employees, and no budget was allocated to any specific project. EXPLORATION, in Sonora, Questcorp Mining and Riverside Resources are to commence a phase 2 drilling campaign at La Unión. In Oaxaca, EV Resources informed on geophysical targeting at Los Lirios. ON MINING, Silver Storm Mining conducted the first doré production at La Parrilla. ON FINANCING. Altius Minerals is to join the S&P/TSX Composite Index, and Coeur Mining the S&P MidCap 400 Index. Elemental Royalty announced an issuer bid. Salifish Royalty declared a dividend. Sonoro Gold closed an oversubscribed private placement. ON RESOURCES AND DEVELOPMENT, GoGold Resources obtained the final permits for construction of the Los Ricos South underground mine. Capitan Silver announced the arrival of an additional rig at its Cruz de Plata project. Mithril Silver and Gold released drilling results from its Copalquín project. Kootenay Silver announced a fatality at its Columba project. Pacifica Silver reported drilling results from its Claudia project. ON DEALS AND CORPORATE ISSUES, Avino Silver & Gold Mines announced key appointments. Heliostar Metals and Zacatecas Silver announced the closing of the definitive option agreement on non-core Heliostar properties. Silver Spruce Resources announced management changes and the grant of options. Americas Gold and Silver closed on an agreement to settle silver and gold delivery obligations. Luca Mining provided an operations and corporate update. First Majestic reported on its AGM. Galore Resources provided an update on the Dos Santos project. Capitan Silver informed on its AGM results. ON SOCIAL RESPONSIBILITY, Santacruz Silver published its 2025 sustainability report for its Mexican operations (Zimapán, Hidalgo).

ON MEXICO ISSUES

  • LitioMx was forced to provide information on exploration, budget and activities. Most (97%) of the 0.81 M annual budget was applied on salaries, while no budget was allocated to any specific project: News on Mexico  

ON EXPLORATION

  • Questcorp Commences Fully Funded Phase 2 Drill Campaign at La Union Targeting Gold-Silver Carbonate Replacement District Potential: Questcorp Mining  (La Unión, Sonora)
  • Riverside Resources and Questcorp Announce Commencement of Phase 2 Drilling at Union Project, Sonora, Mexico Riverside Resources (La Unión, Sonora)
  • EV Resources: Geophysics Reveals New Targets and Increased Scale Potential at Lirios 1 EV Resources (Los Lirios, Oaxaca)

ON MINING

  • Silver Storm Conducts First Pour of Silver-Gold doré at La Parrilla: Silver Storm Mining (La Parrilla, Durango)

ON FINANCING

  • Altius Minerals Corporation to Join the S&P/TSX Composite Index: Altius Minerals (royalty on Cuale, Jalisco)
  • Coeur Mining to Join S&P MidCap 400 Index: Coeur Mining (Las Chispas, Sonora)
  • Elemental Royalty Announces Normal Course Issuer Bid Elemental Royalty (royalty on Mercedes, Sonora)
  • Sailfish Royalty Declares Q2 2026 Dividend: Sailfish Royalty (Royalty on Gavilanes, Durango)
  • Sonoro Gold Announces Closing of Oversubscribed $15.5 M Private Placement: Sonoro Gold (Cerro Caliche, Sonora)

ON RESOURCES AND DEVELOPMENT

  • GoGold Achieves Major Milestone: Final Remaining Permits Secured and Construction Approved for Los Ricos South Underground Mine: GoGold Resources (Los Ricos South, Jalisco)
  • Capitan Silver Announces Arrival of 4th Drill Rig at the Cruz De Plata Project Capitan Silver (Cruz de Plata, Durango)
  • Mithril Drills 4.01 g/t Gold, 225 g/t Silver Over 7.25 M Including 15.25 g/t Gold, 533 g/t Silver Over 0.5 m at Target 1, Copalquin Mithril Silver and Gold (Copalquín, Durango)
  • Kootenay Reports Incident at Columba Silver Project: Kootenay Silver (Columba, Chihuahua)
  • Pacifica Silver Reports Strong Gold-Silver Intercepts at Claudia Project and Extends Justina Vein to 600 Metres in Strike Length: Pacifica Silver  (Claudia, Durango)   

ON DEALS AND CORPORATE ISSUES

  • Avino Announces Key Senior Executive Appointments: Avino Silver & Gold Mines  (Avino and La Preciosa, Durango)
  • Heliostar Announces Closing of Option Agreement with Zacatecas Silver for Non-Core Properties Heliostar Metals (Ana Paula, Guerrero)
  • Zacatecas Silver Enters into Definitive Option Agreement to Acquire MultiAsset Exploration Portfolio from Heliostar Metals Zacatecas Silver (Esperanza, Morelos)
  • Silver Spruce Resources, Inc. Announces Management Changes and Option Grants Silver Spruce Resources (Pino de Plata, Chihuahua)
  • Americas Gold and Silver Closes Previously announced Agreements to Settle Silver and Gold Delivery Obligations Americas Gold and Silver (Cosalá, Sinaloa)
  • Luca Mining Provides Operations and Corporate Update: Luca Mining (Campo Morado, Guerrero)
  • First Majestic Announces Voting Results from 2026 Annual General Meeting First Majestic Silver (San Dimas, Durango)
  • Galore Provides Corporate Update on Dos Santos Project, Concessions, Legal Developments, Concession Regularization and Shareholder Financing: Galore Resources (Dos Santos, Zacatecas)
  • Capitan Silver Announces Results of Annual General and Special Meeting of Shareholders: Capitan Silver (Cruz de Plata, Durango)

ON SOCIAL RESPONSIBILITY

  • Santacruz Silver Announces Publication of 2025 Sustainability Report for Mexican Operations Santacruz Silver Mining  (Zimapán, Hidalgo)

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 June, 2026

Ignimbrite

By Miguel A Heredia

During the 23th week of the year (June 1 to June 7, 2026), at least 22 press releases were issued by companies operating in Mexico, Of these, twelve related to deals and corporate matters, five presented exploration results, four addressed Mexican-related issues, and one covered resource and development updates.  ON MEXICO ISSUES, Silver Bull announced dismissal of its NAFTA claim against Mexico, and the company has been ordered to pay a portion of Mexico´s legal costs totalling approximately USD $998K. Orla Mining reported the illegal work stoppage and blockade at its Camino Rojo mine in Zacatecas, and days after it informed the end of the blockade and resumption of operations.  Americas Gold and Silver, Tocvan, and Advance Metals reported the best drilling intercepts in Mexico on the first week of June, 2026. ON EXPLORATION, In Sonora, the JV Questcorp/Riverside provided an update on ongoing exploration activities at La Union project, and expanded an IP Geophysical survey designed to further refine drill targets ahead of the fully funded Phase 2 drill program, and Tocvan provided an update on its fully funded 20,000m drill program and ongoing exploration activities at its flagship Gran Pilar project. In Chihuahua, Centenario Gold completed the first phase exploration program at Los Reyes project, and informed it encountered high-grade copper in underground workings developed along the intrusive-limestone contact. In Durango, Pinnacle received more positive results from second round of scoping metallurgical test at El Potrero project. In Guerrero, J2 announced the mobilization of its field team to start detailed property mapping at Sierra Plata Silver-Gold-Antimony project. ON MINING, ON FINANCING, No relevant news. ON RESOURCES AND DEVELOPMENT, Advance Metals intersected broad high-grade in first hole drilled at Gavilanes project, Durango, consisting of 220 g/t Ag over 33.9m, including 718 g/t Ag over 6.2m.   ON DEALS AND CORPORATE ISSUES, Algo Grande appointed Monica Ospina as ESG Advisor to the company. GR Silver announced the resignation of Daniel Schieber from the position of Vice President of Corporate Development and Corporate Relations for personal reasons.  Canadian Silver Hunter entered into binding stockpile access agreement on the EC1 and ES1 properties in Michoacan, and reported grab sample results from EC2, a separate ground stockpile location. Colibri announced the resignation of Mark Smethurst as a   Director of the company, effective immediately. Discovery Silver announced the appointments of Dawid Myburgh as Senior Vice President, Timmins Operations, Harold Bird as Vice President, Mineral Processing; and Gertjan Bekkers as Vice President, Technical Services. Silver Spruce provided an update on the acquisition of Jackie project in Sonora. Endeavour reported voting results from its annual general meeting of shareholders. Fuerte Metals informed that it has changed its name to Talamore Mining Corp. Gold Resource announced special shareholder meeting to vote on the strategic merger with Goldgroup Mining. Impact Silver announced the appointments of Victor Jaramillo and Hector Gonzalez as Technical Consultants to the company to work on the expanding exploration program at its flagship Royal Mines of Zacualpan Silver-Gold Mining Project in State of Mexico. Mercado Minerals signed two letters of intent to acquire two adjacent Ag-Au epithermal projects in the San Dimas mining district in Durango. Vizsla provided an update on a communications service agreement with SRC Swiss Resource Capital AG. ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUES

  • Silver Bull Resources Announces Dismissal of its NAFTA Claim Against Mexico on Jurisdictional and Time Limitations: Silver Bull Resources Inc
  • Orla Mining Provides Update on Illegal Work Stoppage and Blockade at Camino Rojo: Orla Mining Ltd
  • Orla Mining Reports Resumption of Operations at Camino Rojo: Orla Mining Ltd1
  • Americas Gold and Silver Corporation, Tocvan Ventures Corp., and Advance Metals Limited reported the best drilling intercepts in Mexico on the first week of June, 2026. Details are shown in the table below:

ON EXPLORATION  

  • Questcorp Mining and Riverside Resources Advance Toward Drilling with Expanded IP Survey at La Union Project, Sonora, Mexico: Questcorp Mining Inc / Riverside Resources Inc
  • Tocvan Intersects Three New Gold-Silver Zones at Gran Pilar Project Exploration Drilling; Provides Pilot Mine Development Update: Tocvan Ventures Corp
  • Centenario Gold – High Grade Copper Mineralization Encountered in Underground Sampling at The Los Reyes Project, Chihuahua, Mexico: Centenario Gold Corp
  • Pinnacle Receives More Positive Results from Second Round of Scoping Metallurgical Tests at El Potrero with Average Gold Recovery of 97.8% for the Main Dos de Mayo Vein: Pinnacle Silver and Gold Corp
  • J2 Metals Inc.: Field Team Mobilized at Sierra Plata Silver-Gold-Antimony Project in Zacualpan to Map Historical Mines, Workings, Veins: J2 Metals Inc

ON MINING

  • No relevant news.

ON FINANCING

  • No relevant news.

ON RESOURCES AND DEVELOPMENT

  • Advance Metals – First Gavilanes Drill Hole Intersects Broad  High Grade Silver Zone: Advance Metals Limited

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, an outcrop of a rhyolite ignimbrite of the Upper Volcanic Supergroup of the Sierra Madre Occidental province in an epithermal Ag-Au-(Pb-Zn) project in Chihuahua, Mexico.  Photo taken by Miguel A Heredia.

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

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.